1. dgPitch of propeller is defined as

A. Forward movement of propeller when rotated by 360 degree

B. Forward movement of propeller in un-yielding medium when rotated by 360 degree;C. Forward movement of propeller when rotated by 3600 when the vessel is floating in water

D. Forward movement of propeller when rotated by 360 degree and in sea water;

2. Which of the following pre-painting surface preparation methods is considered most efficient in case of hulls of modern day ships?

A. Pickling

B. Flame cleaning

C. Blast Cleaning

D. Wire brushing

3. In- water survey in lieu of a one of the two docking surveys in a 5-year period may be accepted when:

A. A suitable high resistance paint is applied to the ship???s underwater hullB. The ship is less than 15 years old

C. The in-water survey provides all the information required by classification societyD. A part of the ship is on fire

4. Stability of a vessel is defined as:

A. Vessel will come not back to its initial position when external disturbance is withdrawn;

B. Vessel will come back to its initial position when external disturbance is withdrawn and by suitably shifting of weights;C. Vessel will float at different position when external disturbance is withdrawn;

D. Vessel will come back to its initial position when external disturbance is withdrawn;

5. Items no. 1 shown in figure above isA. Deck stringers

B. Deck Transverses

C. Deck LongitudinalsD. Deck Girders

6. Which of the following types of ships are assigned minimum freeboard?A. Container ships

B. Bulk Carriers

C. Ore carriers

D. Oil Tankers

7. A Suezmax vessel will have the following maximum limitations:

A. =34 m, d=10 m

B. B=44 m, d=12 mC. B=54 m, d=14m

D. B=64 m, d=16 m

8. Peak tanks are tested by:

A. Hose test

B. By filling them with water up to load water line

C. By filling them with water up to the maximum head which can come on them in practice or 2.44 m above tank crown, whichever is higherD. None of the above

9. The primary purpose of fitting a bulbous bow is to:

A. Improve the appearance of the ship.

B. Strengthen the bow

C. Improve propulsive efficiencyD. Improve resistance to pounding

10. In longitudinally framed double bottoms, the maximum spacing between solid floors should not exceed ______________ in any region.

A. 2.5m

B. 3.0m

C. 3.7m

D. 3.8m11. In transversely framed double bottoms, the maximum spacing between solid floors should not exceed ______________ in any region.

A. 2.5m

B. 3.0mC. 3.7m

D. 3.8m

13. A collision bulkhead must be fitted to all ships at _________________ of ship???s length abaft the stem at the load water line.

A. 6 % to 9%

B. 5 % to 9%

C. 6%to 8%

D. 5% to 8 %14. The cyclic angular motion of a ship about the ford? Aft axis under the action of waves is known as:

A. Pitching

B. Yawing

C. RollingD. Heaving

15. Why TPC is not constant for ship like structure along the draft?

A. Length between the perpendiculars changes as draft changes.

B. AWP of the water plane varies along draft of ship.C. TPC remains constant for ship like structure.

D. Draft of any floating structure does not influence the value of TP

16. Air pipes in tanks are generally located:

A. Near filling pipes

B. Near pump suctions

C. At the opposite end of filling pipes and/or the highest point in the tankD. At the lowest point in the tank

17. Identify part no. 6 in the given figure:

A. Lower hopper tank

B. Lower stool spaceC. Cofferdam

D. Deep tank

18. At the ends of the ships, to prevent making plates too narrow, pairs of adjacent strakes are made to run into one strake with the help of:

A. Coffin plates

B. Shoe plates

C. Stealer plates

D. Oxter plates

19. Which of the following types of tanks can aid in improving the draught without considerably altering the trim?

A. Double bottom tanks

B. Top side tanks

C. Deep tanks

D. Peak tanks

20. Plates used to connect stern frames to flat plate keel are called:

A. Shoe plates

B. Coffin platesC. Stealer plates

D. Boss plates21. Which of the following takes the weight of the rudder?A. The steering gear

B. The rudder stock

C. The rudder carrier bearing.

D. The locking pintle.22. Position of centre of buoyancy for box shaped barge

A) Half of hullb) Depth of hull

c) None of above

d) All of above

23. KG of ship increases with(add option B if MCQ)a) Adding weight above on present KGb) Ballasting db tank

c) Moving weight in transverse direction

d) Moving weight in forward direction

24. Block coefficient of crude oil carrier is between

1) B/w 0.7-.75

2).75 to .85

3).9-.954)1-1.0525. _______ Transverse Watertight Cargo Hold Bulkhead____________ Type of Collision Bulkhead.

a. Corrugated & Plate

b. Swashed & Corrugated

c. Swashed & plate

d. Plate & Swashed26. In ship beam bracket are triangular plates joining the deck beam to a.

A. bulkhead

B. frame

C. stanchion

D. deck longitudinal

27. The bleeder plug or docking plug located on a motor vessel double bottom tank is used to

A. indicate when the tank is pressed up

B. provide a secondary means of tank sounding

C. Vent air from the tank when bunkering.

D. empty the tank when in dry dock

28. Vertical support member used to strengthen bulkheads are called

A. stiffener

B. panels

C. brackets

D. stanchions

29. The welded joint located between two plates in the same strake of hull plating is called as

1. Butt2. Lap

3. Scarf

4. Brackets30. Transverse frames are more widely spaced on a ship that is designed with the __________.

A) Centerline system of framing

B) Isometric system of framing

C) Longitudinal system of framingD) Transverse system of framing

31. What is the purpose of cant frames in steel vessels?

A) To support the overhang of the stern

B) To provide strength to shell plating at the sternC) To add strength to the deck beams which support the weather decks

D) To support the plating of a cylindrical tank

32. What is the Fresh Water Allowance?

A. 5TPC cmB. 40TPC cmC. 10TPC cmD. 20TPC cm

33. Apparent slip is defined as

A. s= (PN- V_S)/V_S B. s= (PN- V_a)/PN C. s= (PN- V_S)/PN D. s= (PN- V_a)/V_a 34. When the frictional resistance increases when the draft increases?

A. Dead weight of the vessel increases.

B. Length of water plane increases.

C. Wetted surface increases.

D. Temperature of water reduces as draft increases.

35. The edge of the propeller which cuts the water first, when the ship is driven ahead is known as ______________

A. Face

B. Trailing edge

C. Leading edge D. Driving edge36. The lower and the upper stools are provided for bulk carriers: -

A. with plate type of transverse watertight bulkheads and they normally extend athwart ship from ship side to ship side B. with corrugated type of transverse watertight bulkheads and they normally extend athwart ship from ship side to ship side

C. with plate type of transverse watertight bulkheads and they normally extend athwart ship from one side lower hopper to other side lower hopper

D. with corrugated type of transverse watertight bulkheads and they normally extend athwart ship from one side lower hopper to other side lower hopper37. Which of the following statements is true?

A. A transom floor need not have the same depth as cellular double bottoms.

B. Counter or elliptical sterns are most commonly used in merchant ships.

C. Cant framing when omitted in a cruiser stern and replaced by a flat plate, forms the transom stern.

D. Cant framing radiating out like spokes of wheel from transom, forms the transom stern.

38. The most common option for propulsion for a medium to large size merchant ship is a:

A. High speed diesel engine with reduction gear

B. 4-stroke, Medium Speed diesel engine with reduction gear

C. 4-stroke, Slow speed diesel engine directly coupled without reduction gear

D. 2-stroke, Slow speed diesel engine directly coupled without reduction gear39. The mass of a ship without cargo, fuel, stores, water, crew etc that a ship carries is known as:

A. Deadweight

B. Lightweight

C. Displacement

D. Tonnage

40. Which of the following must be provided in a shaft tunnel?

A. A watertight door at the engine room bulkhead.

B. Escape trunk at the aft end.

C. A tunnel well for drainage

D. All of the above41. The purpose of providing camber is to:

A. Improve the appearance of the ship

B. Help drain off water from deck easily

C. Reduce the volume of water coming on deck

D. Help drain tanks to bilges

42. Deep tanks are tested by:

A. Hose test

B. Filling them with water up to maximum level

C. Filling them with water up to maximum head, which will come on them, i.e. to the top of the air pipe or 2.45 above the crown of the tank whichever is higher

D. Filling them with water up to maximum head, which will come on them, i.e. to the top of the air pipe or 2.45 above the crown of the tank whichever is lower.

43. Thickness of strakes of bottom plating is increased in which of the following regions of the ship?

A. Pounding region

B. Over 40% of ship???s length amidships

C. Over 40% of ships length forward

D. Both A and B44. What is position 1 according to the LOAD LINE RULE?

(a) The freeboard deck or a raised quarter-deck;(b) A superstructure deck or a trunk deck forward of a point one-quarter of the vessel's length from the forward perpendicular;

(c) A trunk deck that is less than standard height above the freeboard deck.45. Cyclic Up & Down Movement of Vessel along the vertical axisA. Heaving

B. Yawing

C. Swaying

D. Pitching

47. Hatch Coaming Minimum height?

A. 600 mm

B. 800 mm

C. 1000 mm

D. 1100 mm

48. What is The Effect on RESERVE BUOYANCY when the ship is in Fresh Water (for same Displacement)?

A. Increases

B. Decreases

C. Remains same.49. Reserve buoyancy is more in

(A) Fresh water

(B) Sea water

(C) Brackish water

(D) Remains same

52. Panting arrangements are usually fitted up to __________ percent of ship???s length abaft the stem.

A.10

B.20

C. 15

D.25

53. Top of Form

In longitudinally framed double bottoms, solid plate floors are fitted at _________ frame space in pounding region and at ________frame space under the main engine.

A.Alternate, everyB.Alternate, alternate

C.Every, every

D.Every, alternate

(in case of transverse put Every, Every)55. as per the condition of assignment of port holes. no of porholes are allowed to be fitted below_______% of the ships_________or__________mm.

a)1,length,300mmb)3.5,depth,6oommc)2.5,breadth,500mmd)4,summer draft,760mm

56. Water survey is done on __________

a)5th anniversaryb)4thc)3rd d)2ndTop of Form

57. Forward stem and aft plate are separated by

a) Coffin plateb) stealer platec) shoe plated) strug plate58. As per condition of assignment all discharge from above or below the free board deck from enclosed space are

A) to be lead directly overboard

B) to be lead to engine room bilge tank

C) to have an efficient non return arrangementd) None

59. What is it seen when a Propeller is seen from the Aft end

a) Leading edge

b) Trailing Edgec) Bowd) Tail60. Left hand propeller on those turn_____________ when producing ahead thrust

a) Viewed from aft clock wise

b) ,, aft anti cwc) ,, fwd anti cw

d) None of the above

61. Horizontal web plates which support the part of stern formed by radiused plates, between deck, is known as

a) Panting stringer

b) Breast stringer

c) Breast hookd) Breast stiffener

62. Bulkhead forming parts of the tanks on vessel are stiffened to withstands

A. deck load from above

B. dynamic forces while afloat

C. hydrostatic pressureD. overpressure

63. Curves of immersed cross-sectional area of a ship , plotted against draught for each transverse section , are known as

A. Cross curves of Stability

B. Displacement Curves

C. Hydrostatic Curves

D. Bonjean Curves64. In longitudinally framed double bottoms, in frame spaces where there are no solid floors, the brackets on tank sides and center girder should not be more than ____apart.

A. 2.5m

B. 3.7m

C. 3.8m

D. 1.25m66. Modern medium size single size skin bulk carrier are provided with _____ framing within double bottom, __________ framing within hopper tanks _________ framing on the side shell within the cargo hold

a. L,L,Lb. T,T,Lc. L,T,Ld. L,L,T

67. Relationship between CR, CD,CM is

a. C-p=c-B*C-Mb. C-M=c-p*c-Bc. C-m*c-p*c-B=1d. C-B=c-p*c-M

67. Relation between CB, CP and CM is

A. C_P= C_B* C_M;

B. C_M= C_P* C_B;

C. C_M* C_P* C_B=1;

D. C_B= C_P* C_M;

68. Plating on bulk heads are generally fitted _______ for better graduation of thickness

a. Vertically in bulk headsb. horizontally in bulk headsc. vertically in transverse bulk head onlyd. Horizontally in transverse bulk head only

69. Define relationship between permeability, relative density, stowage factor of cargo.

a. 1-(sF*RD)b.1-1/(SF*RD)c. (SF*RD)-1d. (SF*RD)

70. position 1, position 2, ventilation no need of min. height gasket

A. 4.5, 2.0

B. 4, 2.3

C. 3.5, 2.3

D. 4.5, 2.571. Velocity of advancement is defined as

A. velocity of ship

B. velocity of advance condition

C. Axial velocity of propeller w.r.t adjoining water flow

D. Axial velocity of propeller w.r.t fixed object72. Type A vessel classification based on assignment of

A.Min draught

B.Min. depth

C.min. free board

D.min. freeboard length73. Intercostals girder that vessel need to fitted transversely double bottom spaces whose breadth exceeds 20m

A. 2port-2strbdB. 3p-3s

C. 1p-1s

D. none

74. Better freeing arrangement on tanker decks inform open rails for 50% length

A. To ensure no S.W gets on deck

B .Because of tanker has less freeboardC.A &B

D. None

75. Tabular freeboard is based on what parameter (add depth for multi choice)A. Draught

B. LengthC. depth

D. any

76. Shell expansion plan, D5 plate77. Most commonly used stern transom stern78. As per rules, all ships above 120 m length should have ____ in double bottoms

A. transverse frame

B. combination

C. longitudinal

D. any

79. Hull plating strakes are generally numbered asA. lettered from keel upwards and numbered from aft to forwardB. numbered from keel and lettered from aft forward C. lettered from keel and numbered from forward to aft

D. numbered from keel and letterd from forward to aft

(if deck plating

letters-center line to outward and

number - from aft to forward and )

80. Pounding arrangements are usually fitted up to ------ percentage of ships length abaft stem. A. 10 b. 20 c. 15 d. 2581. Position of centre of buoyancy of vessel is at

A. centroid of the full cargo space

B. centriod of underwater hull

C. centroid of all masses

D. centroid of hull where buoyancy is maximum

84. Water tightness and structural integrity of dry peaks are tested by A. Hose test B. By filling them with water up to water lineC. Fill water up to load water line d. fill water up to 2.44mts above tank crown or max head which can come on them, whichever is higher

85. The greatest breadth of the ship measure to the inside of the shell plating is known as A. breadth extreme B. breadth obselute C. breadth moulded D. breadth perpendiculars

86. In longitudinal corrugated bulkheads, corrugations are . A. either horizontal or vertical B. only horizontal C. only vertical D. neither horizontal nor vertical(in case of transverse, answer is A)87. Most modern type rudders are, A single plate type B. double plate type C. single plate streamlined type D. none

88. Hull model relation is based A. Reynolds no of both hull and model are equal. B. frauds no of both hull and model are equal C. Rey and fraud no of both hull and model are equal D. none

89. The purpose providing tumble home is A. improve the appearance of ship B. help drain of water from deck easily C. reduce the volume of water coming on deck D. helps drain tanks to bilges

90. Collision bulkhead plate thickness A. 4-5 B. 4-6 C. 5-691. M/C space opening are to have _____door with ______ position. (600mm above deck in position 1.... 380mm above deck in position 2)A. watertight, 450mm B. watertight, 350mm C. water tight, 600mmD. Weather tight, 600mm.

92. The ships model estimates the

A. Hull Frictional Resistance

B. Hull Wave Making ResistanceC. All of above

D. None of above

93. The surface of each blade of propeller when viewed from aft is known as the __________A. Back

B. Leading edge

C. Trailing edge

D. Face

95. In a shell expansion plan, plate D5 refers to: A. Fourth plate from aft and fifth strake from keel

B. Fifth plate from aft and fourth strake from the keelC. Fourth plate from forward and fifth strake from keel

D. Fifth plate from forward and fourth strake from keel96. Which component in the given Figure is a bulkhead? What type of bulkhead is it?

A. 7, Plate Type

B. 5, Corrugated TypeC. 7, Corrugated Type

D. 5, Box type

97. Identify the part no. 3 of the given figure:A. Upper deck

B. Tween deck

C. Deck transverseD. Deck girder

98. As per conditions of assignments, the minimum height of air pipe openings must be ________ on the freeboard deck

A. 380 mm

B. 450 mm

C. 600 mm

D. 760 mm100. GM of ship will change with

a) Shifting of weight longitudinally

b) Shifting of weight transversely

c) Shifting of weight vertically

d) All of the above101. Modern medium to large size single side skin bulk carriers have long framing within double bottoms, within hopper tanks & decks while side shell is transversely framed. Why?

Ans: This is required for transverse strength.

102. Minimum no. of intercoastal girder in transversely framed double bottom of ship whose breadth is more than 10m but less than 20m.

a) 1 b) 2c) 3

d) 4

104. Double bottom compartment test

a) Hose test

b) By filling them to maximum level

c) With a head of water upto the top of the air piped) None

105. The minimum possible number of transverse watertight bulkheads in ships with machinery spaces amidships would b:a) 4b) 3

c) 2

d) 5

106. Left hand propeller on those turn_____________ when producing ahead thrusta) Viewed from aft clock wiseb) Viewed aft anti clock wisec) Viewed fwd anti clock wised) none of the above

107. Bulkheads are intercostal between decks A. TRUEB. FALSE

108. Maximum Transverse Spacing in DOUBLE BOTTOM SPACE?A. 2.5 m

B. 3 m

C. 3.7 m

D. 3.8 m109. Requirement for LOAD LINE REGULATION is known as

A. Condition requirement

B. Minimum freeboard

C. Minimum load water Line

110. Most modern day rudders are

A. Unbalanced,

B. Semi balanced, C. Balanced, balanced

D. Semi balanced111. Displacement of a ship is calculated by

A. Light weight of the ship plus known quantity of cargo carried,

B. Weighting the ship actually, C. By reading forward aft midship draughts and using hydrostatic tables,D. Inclining experiments112. As per condition of assignments the machinery space openings are to have . Doors with minimum still heights of . In position to .. A. Weather tight 450mm

B. Watertight 380mmC. Weather tight 380mm

D. Water tight 450mm.113. When a weight is moved in transverse direction it may cause lA. LollB. Heel

C. Trim

D. List114. Sheer Lines of a vessel is defined as

A. Lines of horizontal sections along the longitudinal axisB. Lines of vertical sections along the longitudinal axis

C. Lines of vertical sections at various stations

D. Lines of horizontal sections at various drafts

115. Identify part no. 8 in the given figure :

A. Margin plate

B. Shedder plate

C. Sloping plate of lower stool

D. Gusset plate

116. The depth of the ship measured from the underside of the keel to the top of the deck beam of the uppermost constant deck amid ship is known as extreme depth117 In case of merchant ships a combinatory control means option A. Ships speed is controlled by cpp and constant speed engine

B. Ship speed is controlled by fpp and variable speed engine C. Ship speeds controlled by cpp and variable speed engine

D. Ship speeds controlled by cpp and variable speed reversible engine118. In longitudinally framed double bottom option A. Frame spaces between the solid floors are left unsupported B. Fitted with bracket floor

C. Fitted with brackets at tank sides and centre girder D. None119. As per condition of assignments option A. All discharge from above or below the free board deck from enclosed spaces use

B. To be led direct overboard

C. To be led to engine room bilge tank D. To have an elision non return valve120. Type A vessel assigned minimum free board because

A. They carry only liquid cargoes and in case of damage more liquid will leak out it the sea than the amount of water entering the cargo space

B. They are constructed with high tensile steels

C. It being associated by small water tight hatches thats giving high integrity free board deck cuts excellent subdivision of cargo spacesD. They had to lose stability if lesser free board is assigned to them. 121. When making a turn (course change) on most merchant ships, the vessel will heel outwards if __________.

A) the vessel has very little draft

B) G is above the center of lateral resistance

C) G is below the center of lateral resistanceD) the vessel is deeply laden

122. The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the __________.

A) Volume of liquid in the tank

B) Volume of displacement of the vesselC) Location of the tank in the vessel

D) Height of the center of gravity of the vessel

123. Which statement about the free surface effect is TRUE?

A) It increases in direct proportion to the length of the tank times the breadth squared.

B) It decreases at increased angles of heel due to pocketing when a tank is 90% full.C) It decreases in direct proportion to increasing specific gravity of the liquid in the tank.

D) In practice, the correction is considered to be a virtual reduction of KG.124. GM cannot be used as an indicator of stability at all angles of inclination because __________.

A) M is not fixed at large anglesB) there is no M at large angles

C) G is not fixed at large angles

D) there is no G at large angles

125. That center around which a vessel trims is called the __________.

A) tipping centerB) center of buoyancy

C) center of gravity

D) turning center

126. Many vessels are provided with flume tanks, which also have a dump tank located under the flume tanks. In the event the ship is damaged, you could dump the flume tanks into the dump tank which would

A) reduce the free surface effect and raise the KG

B) not have any effect on free surface and raise the KG

C) reduce the free surface effect and lower the KGD) not have any effect on free surface and lower the KG

127. After transferring a weight forward on a vessel, the draft at the center of flotation will ______

A) change, depending on the location of the LCG

B) increase

C) decrease

D) remain constant128. The difference between the starboard and port drafts due to wind or seas is called __________.

A) list

B) heel C) trim

D) flotation

SECTION 2

DG SHIPPING

1. Between the side frames of a Vessel, support for the deck beams is provided by _________________.

A. stanchions

B. brackets

C. web frames

D. deck stringers

2. For Vessel's operating under the Indian flag, the construction portfolio must contain _____________.

A. detailed construction plans

B. chemical and physical properties of Classification Society approved steels

C. approved welding procedures and welding test procedures

D. loading conditions and limitations

3. Prior to the burning or welding of a fuel tank on a Vessel, regulations require that an inspection be made. An entry in the official logbook is required if this inspection is made by ______________.

A. A marine chemist

B. The Surveyor from MMD

C. The Master in charge of the Vessel

D. The inspector from the department of explosive

E. A marine biologist

4. A welding procedure used for joining dissimilar metals used in the construction of a Vessel would be recorded in the ______________.

A. welding planB. Classification Society specifications

C. construction portfolio

D. BIS Specifications

5. According to SOLAS, a bulkhead capable of preventing the passage of smoke and flame for one hour would be classified as a/an ____________.

(A) A-60

(B) B-60

(C) C-60

(D) D-60

6. The average of the observed drafts is known as ____________.

(A) mean draft

(B) true mean draft

(C) mean of the calculated drafts

(D) draft at the center of flotation

7. When flooding occurs in a damaged vessel, reserve buoyancy ______________.

(A) decreases

(B) remains the same

(C) increases

(D) shifts to the low side

8. The vertical distance between "G" and "M" of a vessel is used as a measure of __________.

(A) stability at all angles of inclination

(B) initial stability

(C) stability at angles less than the limit of positive stability

(D) stability at angle less than the downflooding angle

9. The deck plating on a Vessel is supported primarily by deck longitudinals and deck ________________.

(E) girders

(F) stanchions

(G) frames

(H) beams

10. When the longitudinal strength members of a Vessel are continuous and closely spaced, the Vessel is ____________.

a. transversely framed

b. longitudinally framed

c. intermittently framed

d. web framed

11. A Vessel having continuous closely spaced transverse strength members is _____________.

a. longitudinally framed

b. transversely framed

c. cellular framed

d. web framed

12. On a Vessel, the deck stringer is the outboard most deck ________________.

a. plating

b. beam

c. stiffener

d. stanchion

13. Reserve buoyancy is the _____________.

A. unoccupied space below the waterline

B. volume of intact space above the waterline

C. excess of the buoyant force over gravitational force

D. difference between buoyancy in salt and fresh waters

14. You can generally improve the vessel's stability in a hazardous situation by _______________.

(A) pumping double bottoms to the forepeak

(B) ballasting deep tanks

(C) transferring ballast athwartships

(D) deballasting double bottoms

15. Which of the following conditions will occur to the ship's center of gravity if 200 tons of steel is transferred to the ships cargo hold from shore side?

a. The reserve buoyancy will rise.

b. The center of gravity will remain in the same position.

c. The center of gravity will be lowered.

d. The reserve buoyancy will remain the same.

16. If a vessel rolls to the starboard side, and there are no movable or moving weights onboard, the center of gravity will ____________.

a. move to port

b. move to starboard

c. move directly down

d. stay in the same position

17. In the event of a collision, watertight integrity may be lost if _____________.

a. the sounding tube cap from a damaged tank is missing

b. the dogs on a manhole cover are secure

c. you have recently replaced a gasket in a watertight door

d. you operate the dewatering system from a flooded compartment

18. The existence of liquids in partially full tanks or compartments of a Ship causes a virtual rise in the height of the _______________.

(a) metacenter

(b) center of buoyancy

(c) center of flotation

(d) center of gravity

19. A load line for an Indian Ship is assigned by the ______________.

(a) Mercantile Marine Department

(b) Ministry of Shipping

(c) Directorate General of Shipping

(d) Not necessary a member of IACS

(e) None of the above

20. Adding the transverse free surface correction to the uncorrected height of the center of gravity of a vessel yields ____________.

A. "FSCT"

B. "KG"

C. "KGT"

D. "GMT"

21. The difference between the average of the forward and aft drafts is _____________.

A. list

B. heel

C. trim

D. flotation

22. In the absence of external forces, adding weight to one side of a floating vessel, will cause the vessel to ____________.

A. heel until the angle of loll is reached

B. list until the center of buoyancy is aligned vertically with the center of gravity

C. trim to the side opposite TCG until all moments are equal

D. decrease draft at the center of flotation

23. A vessel departed from point "A" at 1206 with a counter reading of 616729 and arrived at point "B" with a counter reading of 731929 at 1148 the following day. This vessel is equipped with a 630cm diameter propeller, with a pitch of 610cm. The observed distance of 404.16 nautical miles was covered at an observed speed of 16.85 knots. What should be the apparent slip for this trip?

a. 1.04%

b. 1.29%

c. -6.65%

d. -11.04%

24. A continuous watertight bulkhead on a Vessel may also be a/an _____________.

a. structural bulkhead

b. exterior bulkhead

c. centerline bulkhead

d. joiner bulkhead

25. Regarding Vessel construction, Partitions in the living quarters are generally __________.

a. Structural bulkheads

b. watertight

c. non-structural bulkheads

d. continuous bulkheads

26. Vertical partitions providing strength and compartmentation on a Vessel are called _____________.

a. decks

b. bulkheads

c. joiner work

d. walls

27. Bulkheads forming part of the tanks on a Vessel are stiffened to withstand _______________.

a. deck loads from above

b. dynamic forces while afloat

c. hydrostatic pressure

d. overpressurization

28. The decks of a Vessel are supported by transverse members called _______________.

a. trusses

b. deck longitudinals

c. deck beams

d. web frames

29. On a Vessel, the keel is the primary strength member of the lower hull form and is laid in which direction?

a. Transverse

b. Diagonal

c. Longitudinal

d. Vertical

30. Compared to internal structural plating, the exterior hull plating on a Vessel is usually _____________.

a. stronger

b. thinner

c. more corrosion resistant

d. a lower grade steel

31. The purpose of bilge keels is to _____________.

a. lower the center of gravity of the ship

b. reduce the amplitude of roll

c. reduce pitching

d. reduce yawing

32. With reference to a vessel's structural integrity, the most significant characteristic of a cryogenic liquid is its ______________.

a. capability of causing brittle fractures

b. highly corrosive action on mild steel

c. vapor cloud which reacts violently with saltwater

d. toxicity at atmospheric pressure

33. The hulls of most modern towing vessels constructed today are fabricated from _______________.

a. wrought iron

b. high alloy steel

c. mild steel

d. corrosion resisting steel

34. An oceangoing ship of 350 gross tons, contracted for in January 1976, and not equipped with an oily water separator, all bilge slops may be retained __________ .

(a) onboard in the ship's bilges

(b) in the forward peak tank

(c) in the oil purifier reservoir

(d) in a cofferdam

35. When a vessel is floating upright, the distance from the keel to the metacenter is called the ______________.

(a) metacentric differential

(b) height of the baseline

(c) height of the metacenter

(d) righting arm

36. Structural members used to support and transmit the downward force of the load and distribute that force over a large area, are called ______________.

A. pillars

B. stanchions

C. columns

D. all of the above

37. When the propeller blades are integral with the hub, the propeller is called a _____________.

A. built up propeller

B. solid propeller

C. controllable pitch propeller

D. suction back propeller

38. The process of grinding, shredding, or reducing the size of sewage particles is known as ________.

A. detension

B. maceration

C. bulking

D. chlorinating

39. In ship construction, which of the listed strengthening members act to support the decks?

A. Pillars

B. Girders

C. Bulkheads

D. All of the above

40. Vertical support members used to strengthen bulkheads are called _____________.

A. stiffeners

B. panels

C. stanchions

D. brackets

41. The double bottom in a vessel is a space comprised of ______________.

A. plating forming the engine room tank top

B. doubler plating installed over the flat keel plate

C. a watertight boundary formed by the inner bottom

D. compartments between the inner and outer bottoms

42. For a large passenger vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force ____________.

(e) only when there is positive stability

(f) only when there is negative stability

(g) only when there is neutral stability

(h) at all times43. A load line for a Dredger is assigned by the ______________.

(a) Minerals Management Department (MMD)

(b) Department of Energy (DOE)

(c) Ministry of Defence

(d) a recognized classification society approved by the Coast Guard

(e) None of Above

44. The vertical motion of a floating vessel is known as ____________.

(A) surge

(B) sway

(C) heave

(D) pitch

45. When handling contaminated oil from a hermetically sealed refrigeration compressor unit that has burned out its motor, you should _____________.

(A) store the oil in a clean refrigerant drum

(B) use rubber gloves

(C) circulate the oil through a filter drier

(D) remove the oil with a portable charging cylinder

46. Adsorption filters are not commonly used in steam turbine or diesel engine lubricating systems because they ___________.

(A) utilize exotic and expensive filtering media making them too costly for use.

(B) are only effective at temperatures below 100F

(C) can adsorb no more than five times their weight in water

(D) remove additives from the lube oil

47. Main engine room control console alarms are to be of the self monitoring type, meaning that an open circuit to a particular alarm circuit will _____________.

(A) cause an alarm condition

(B) secure power to the indicator

(C) secure power to the monitored device

(D) automatically reclose within 10 seconds

48. Which of the following is operated from the main engine room console on an automated vessel?

(A) Fire pump and lube oil pump

(B) Lube oil pump and distilling plant

(C) Distilling plant and shaft alley door

(D) Shaft alley door and fixed CO2 release

49. On tankers using manually operated tank valves, the deck hand wheel indicator registers the ____________.

(A) exact lift position of the tank valve disk, through 100% of its operation

(B) oxygen content of the tank

(C) approximate number of turns the tank valve has been opened

(D) level of oil in the tank

50. New piping and tubing to be installed in a hydraulic system can be safely degreased by using _________.

(A) alcohol

(B) a water-based detergent

(C) carbon tetrachloride

(D) a special petroleum solvent

51. Potable water piping systems installed aboard ships must be _______.

(A) disinfected monthly with a chlorine compound

(B) independent of all other piping systems

(C) cadmium lined to prevent internal corrosion

(D) flushed each time potable water is taken onboard

SECTION 3TAKEN FROM NET

1. Stability is determined principally by the relationship of the center of gravity and the

-aft perpendicular

-center of buoyancy

-keel

-center of flotation

B

2. At all angles of inclination, the true measure of a vessel's stability

is the

-metacentric height

-displacement

-righting moment

-inclining moment

C

3. The weight of the liquid displaced by a vessel floating in sea water

is equal to the

-weight required to sink the vessel

-total weight of the vessel

-displaced submerged volume

-reserve buoyancy

B

4. When the height of the metacenter is less then the height of the center

of gravity, a vessel has what type of stability?

-stable

-neutral

-unstable

-positive

C

5. Flooding of any compartment in a ship, resulting in a serious loss

of reserve buoyancy, will always

-increase ship stability

-reduce ship stability

-cause a serious permanent list

-decrease the heeling moment

B

6. The stability of a vessel is normally the greatest when all fuel and

water tanks are full because the

-center of gravity is lowered

-center of buoyancy is lowered

-reserve buoyancy is unchanged

-hull freeboard is increased

A

7. A vessel's center of gravity is lowered when the

-freeboard is increased

-tanks are ballasted

-reserve buoyancy increase

-trim is increased

B

8. In the event of a collision, watertight integrity may be lost if

-the sounding tube cap from a damaged tank is missing

-the dogs on a manhole cover are secure

-you have resentle replaced a gasket in a wateretight door

-you operate the dewatering system from a flooded compartment

A

9. When the height of metacenter is greater than the height of the center of gravity, a vessel has what type of stability?

-positive

-neutral

-unstable

-negative

A

10. What is the usual effect of moving weight from low in the vessel to above the main deck?

-the stability is increased

-the draft is increased

-the stability is decreased

-the reserve buoyancy is decreased

C

11. If the result of loading a ship is an increase in the height of gravity, there will always be an increase in the

-metacentric height

-righting arm

-righting moment

-vertical moments

D

12. If a vessel looses its reserve buoyancy, it will

-float upright with the main deck awash

-capsize and float on its side

-remain unaffected if the hull remains intact

-most likely sink

D

13. The purpose of the inclining experiment on a ship is to determine

-lightweight and lightweight center of gravity location

-the position of the senter of buoyancy

-the position of the metacenter

-the maximum load line

A

14. The reserve buoyancy of a vessel varies directly with changes in the

vessel's

-free surface

-freeboard

-rolling period

-none of the above B 15. The reserve buoyancy of a ship consists of

-the void portion of the ship below the waterline which is enclosed and

watertight

-all cofferdams, double bottoms, and wing tanks that are slack

-the part of the enclosed and watertight portion of a vessel above the

waterline

-the persentage of the volume of a compartment which can be occupied by water

if flooded

C

16. Reducing the free surfaces within a vessel, reduces the

-natural roll period

-metacentric height

-waterplane area

-uncorrected height of the center of gravity

A

17. The free surface effects of a partially filled liquid tank decrease

with increased

-density of the liquid

-placement of the tank above the keel

-displacement volume of the ship

-size of the surface area in the tank

C

18.The distance between the bottom of the hull and the waterline is called

-tonnage

-reserve buoyancy

-draft

-freeboard

C

19. After transferring a weight forward on a vessel, the draft at the center of flotation will

-change, depending on the location of the center of gravity

-increase

-decrease

-remain the constant D 20. Fuel oil tank vents are fitted with corrosion resistant screens to prevent

-flames entering through the tank vent

-escape of flammable vapors

-corrosion in the tank vent

-damage to the ball check

A

21. Reserve buoyancy is the

-unoccupied space below the waterline

-volume of intact space above the waterline

-excess of the buoyant force over gravitational force

-difference between buoyancy in salt and fresh water

B

22. With no environmental forces present, the center of gravity of an inclined vessel is vertically aligned with the

-longitudinal centerline

-center of flotation

-original vertical centerline

-center of buoyancy

C

23. The addition of weight at the longitudinal center of floatation will

-increase the forward draft and decrease the after draft

-decrease the forward draft and increase the after draft

-have no effect on the trim

-have no effect on the stability

C

24. In ship construction, beams are transverse girders which provide support to

-bulkheads

-deckhouse structures

-decks

-vertical frames

C

25. In ship construction, beam brackets are triangular plates joining the deck beam to a

-bulkhead

-frame

-stanchion

-deck longitudinal

B

26. Stanchions prevent the entire deck load on a ship from being carried by the

-bulkheads

-stringers

-frames and beam brackets

-deck longitudinals

C

27. Support of a ship side plating is provided primarily by transverse

-beams

-girders

-frames

-bulkheads

C

28. Lighter longitudinal stiffening frames on the ship side plating are called

-stringers

-side frames

-side stiffeners

-intercostals A

29. The heavier outboard strake of deck plating on a ship is called the deck

-stiffener

-beam

-stringer

-doubler

C

30. Where is thicker plating usually found in the construction of integral tanks on a ship?

-on the outside of the tank

-at the bottom of the tank

-at the top of the tank

-at the center of the tank

B

31. In ship construction, a large number of watertight bulkheads results in

-increased capacity to set flooding boundaries

-decreased capacity to set flooding boundaries

-reduced compartmentation

-greater deck load capacity

A

32. The penetration of a watertight bulkheads and watertight decks by rigid nonmetallic piping is prohibited except when

-using an acceptable metallic fitting, welded or otherwise is attached to the bulkhead or deck by an acceptable method

-the rigid nonmetallic plastic pipe is at least of schedule 160 and a metallic shut off valve is provided adjacent to the through deck or bulkhead fitting

-metallic shut off valves are welded to nonmetallic hull materials

-two non-remotely operated metallic valves are installed on either side of the deck or bulkhead regardless of accessibilityA

33. The potential weakest part of the anchor chain would be the

-stud link

-solid link

-fluke link

-detachable link

D

34. The purpose of the vessel inclining experiment is to

-determine the location of the metacenter

-determine the lightweight center of gravity location

-verify the hydrostatic data

-verify data in the vessel's operating manual

B

35. When the height of the meta center has the same value as the height of the center of gravity, the meta centric height is equal to

-height of the metacenter

-height of the center of gravity

-same as half the height of the metacenter

-zero

D

36. When a vessel is floating upright, the distance from the keel to the metacenter is called the

-metacentric differential

-height of the baseline

-height of the metacenter

-righting arm

C

37. In small angle stability, when external forces exist, the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the

-center of gravity

-center of flotation

-metacentre-metacentric height

C

38. The horizontal distance between the vertical lines of action of gravity and the buoyant forces is called the -righting arm-metacentric height-metacentric radius-height of the center of buoyancy

A

40. The inclining experiment conducted on a merchant ship is the method for determining the exact location of the

-ship's displacement in seawater

-position of the ship's center of gravity

-position of the ship's center of buoyancy

-position of the ship's metacenter

B

41. Structural bulkheads on a ship are usually

-continuous

-watertight

-transverse

-nonwatertight

B

42. Joiner bulkheads on a ship provide

-compartmentation

-watertight integrity

-structural support

-tank boundaries

A

43. When the ship's bulkheads are reinforced against bending and bulging, the bulkheads are provided with

-stanchions

-girders

-stiffeners

-rabbits

C

44. A vessel's immediate protection in the event of a broken stern tube is a/an

-aft collision bulkhead

-stern frame bulkhead

-after peak bulkhead

-aft machinery space watertight bulkhead

C

45. The tailshaft is usually supported by the

-spring bearings

-tail bearings

-astern tube bearings

-propeller bearings

C

46. A bronzed sleeve is secured to the propeller tailshaft by

-keying

-shrinking

-threading

-pressing

B

47. A continuous watertight bulkhead on a ship may also be a/an

-structural bulkhead

-exterior bulkhead

-centerline bulkhead

-joiner bulkhead

A

48. Regarding a ship construction, bulkheads in the quarters are

generally

-structural

-watertight

-non-structural

-continuous

C

49. Bulkheads forming part of the tanks on a ship are stiffened to withstand

-deck loads from above

-dynamic forces while afloat

-hydrostatic prassure

-overpressurization

C

50. The decks of a ship are supported by transverse members called

-trusses

-deck longitudinals

-deck beams

-web frames

C

51. Between the side frames of a ship, support for the deck beams is provided by

-stanchions

-brackets

-web frames

-deck stringers

A

52. Deck beams on a ship are generally spaced at equal intervals and run

-longitudinally

-vertically

-transversely

-intermittently

C

53. The deck plating on a ship is supported primarily by deck longitudinals and deck

-girders

-stanchions

-frames

-beams

D

54. The deck loads on a ship are distributed through the deck beams to the

-frames

-hull

-stringers

-plates

A

57. Compared to internal structural plating, the exterior hull plating on a ship is usually

-stronger

-thinner

-more corrosion resistant

-a lower grade steel

A

59. The conical steel or composition cone installed on a propeller, known as a fairwater cone, provides which of the following benefits?

-reduces water resistance

-helps with lubrication

-protects the nut

-all of the above

C

60. Which of the devices listed prevents water from entering the ship's hull via the propulsion shaft?

-stern tube packing or mechanical shaft seal

-deflector ring and drain

-spring bearings

-oiler rings

A

62. The purpose of the propeller fair water cone is to

-lock the propeller in position

-minimize water turbulence

-eliminate axial thrust

-eliminate cavitation

B

63. Vertical transverse structures in the double bottom are known as

-pillars

-floors -ceilings

-stanchions

B

64. Keyless propellers hubs secured to tailshaft by "pilgrim nuts", are removed by

-spring-loaded jacks

-hydraulic pressure

-heating with a torch

-hydraulic lever arms

B

65. In ship construction, the shell plating is arranged in strakes, with four of the strake being specifically identified by name. The strake next to the keel is identified as the

-keel strake

-garboard strake

-bilge strake

-sheer strake

B

66. What class of bulkhead is required around the galley on a ship?

-class A

-class B

-class C

-class D A

67. The garboard strake is located

-at the very bottom center

-just under the sheer line

-at each side of the keel

-at the turn of the bilge

C

68. Structural members used to support and transmit the downward force of the load and distribute that force over a large area, are called

-pillars

-stanchions

-columns

-all of the above

D

69. When the propeller blades are integral with the hub, the propeller is called a

-built up propeller

-solid propeller

-controllable pitch propeller

-suction back propeller

B

70. In ship construction, which of the listed strengthening member act to support the decks?

-pillars

-girders

-bulkheads

-all of the above

D

71. Vertical support members used to strengthen bulkheads are called

-stiffeners

-panels

-stanchions

-brackets A

72. The double bottom in a vessel is a space comprised of

-plating forming the engine room tank top

-doubler plating installed over the flat keel plate

-a watertight boundary formed by the inner bottom

-compartments between the inner and outer bottoms

D

73. Compared to a constant pitch propeller, a controllable pitch propeller

-more efficiently uses available engine power

-operates at a lower efficiency at a fixed speed

-produces the same torque at lower engine power

-develops its rated power at a lower speed

A

74. In ship construction, the hull frame members extending athwartship are called

-deck frames

-stringer frames

-longitudinal frames

-transverse frames

D

75. The inner bottom of a ship is the

-plating forming the engine room tank top

-doubler plating installed over the flat keel plate

-watertight boundary formed by the skin of the ship

-compartment between the tank top and skin of the ship

A

76. Vessel propellers are classified as being right hand or left hand. A right hand propeller turns clockwise when viewed from

-the bow

-the stern

-the port side

-the starboard side B

77. In a longitudinally framed ship, the longitudinal frames are held in place and supported by athwartship members called

-stringers

-web frames

-pillars

-brackets

B

78. The structural members of the hull extending in a fore and aft direction are called

-frames

-joiners

-longitudinals

-knees

C

79.In ships construction, structural hull members installed athwart ship are

-deck beams

-stringers

-girders

-breasthooks

A

80. A cofferdam is a/an

-empty space between tank tops and bilges

-cement baffle in a fresh water tank

-empty space separating compartments to prevent the contents of one compartment from entering another in case of leakage

-tank for storing chemicals

CNEW SECTION - 1

1.Position of center of buoyancy of a box shaped barge is at

A. Half of the draught;

B. Half of the depth of the hull

C. All of the above

D. None of the above

2.Which of the following statements is False?

A. A collision bulkhead must be fitted on all types of ships.

B. An after peak bulkhead must be fitted on all types of ships.

C. One bulkhead at each end of machinery spaces must be fitted on all types of ships.

D. The aft peak bulkhead must extend to the upper deck5. .Shedder plates are sometimes provided between, the corrugated bulkheads and lower stool shelf plates. The purpose of shedder plates is to:

A. Provide strength to the shelf plate

B. Reduce the unsupported span of corrugated bulkhead

C. Prevent piling up of dry cargo on horizontal portions of lower stool shelf plates

D. Reduce stress concentration at the connections of corrugated bulkheads to the lower stool shelf plates

6. If the cause of severe list or trim is due to off center ballast, counter flooding into empty tanks will______________

A:increase the righting moment

B:increase the righting arm

C:increase list or trim

D:decrease list or trim 7 stability after the unintentional flooding of a compartment on a cargo vessel is called. ( if intentional flooding, thats called intact stability)

a. intact stability

b. initial stability

c. immersion stability

d. damage stability33)Keel scantlings of any vessel are greatest amidships because __________.

A) connections between forebody and afterbody are most crucial

B) of maximum longitudinal bending momentsC) of severest racking stresses

D) resistance to grounding is at a maximum amidships

34)A thirty pound plate would be __________.

A) 3/8" thick

B) 1/2" thick

C) 3/4" thickD) 1" thick

35)The ceiling is __________.

A) the overhead in berthing compartments

B) a wooden protection placed over the tank topC) material driven into seams or cracks to prevent leaking

D) None of the above are correct

36)The wooden planking that protects the tank top from cargo loading is called__________.

A) ceilingB) shores

C) frames

D) toms

37)A set of interior steps on a ship leading up to a deck from below is know as

_________.

A) a companion wayB) tween-decks

C) stairs

D) All of the above are acceptable 33b,34c,35b,36a,37aHull ??? Model relation is based on:

A. Reynolds numbers of both Hull and Model are equal.

B. Froude numbers of both Hull and Model are equal.

C. Reynolds and Froude numbers of both Hull and Model are equal.

D. None of the above115)Which statement about the free surface correction is TRUE?A) It is added to the uncorrected GM to arrive at the corrected available GM.

B) It is obtained by dividing the free surface moments by 12 times the volume of displacement.

C) It is obtained by dividing the total free surface by the total vertical moments.

D) It is subtracted from the total longitudinal moments before dividing by displacement to find LCG.When transverse watertight bulkheads are provided between the cargo hold of a bulk carrier they are normally:

A. Directly welded to the tank top to the underside of the deck by fillet welding

B. They are welded onto the shelf plate of lower and upper stool and the sloping plates of lower and upper stools are welded to tank top and underside of decks

C. On the lower side they are welded onto the shelf plate of lower stool and the sloping plates of lower stool are welded to tank top, while on the upper side they are attached directly to the deck by means of fillet welding

D. On the upper side they are welded onto the shelf plate of upper stool and the sloping plates of upper stool are welded to underside of deck, while on the lower side they are attached directly to the tanktop by means of fillet welding

1) In order to calculate the TPI of a vessel, for any given draft, it is necessary to divide the area of the waterplane by __________.

A) 35.0-r

B) 120.0

C) 240.0

D) 420.0Wake is defined as

A. w= (PN- V_S)/V_S ;

B. w= (PN- V_a)/PN;

C. w= (PN- V_S)/PN;

D. w= (PN- V_a)/V_a ;At all angles of inclination, the true measure of a vessel's stability is the _____________.

A.metacentric height

B.displacement

C.righting momentD.inclining moment

A vessel having a concentration of weight toward the top of the vessel is said to be ____________.

A.stiff

B.tender

C.buoyant

D.neutral

Ans:BYou are transferring fuel from a supply vessel to your Ship. If you close off one tank in the line of tanks being filled, the flow rate to the other open tanks on the same line will _______________.

A.increaseB.decrease

C.stop

D.stabilize