Core Questions

260) The radial distance from the addendum circle to the clearance circle __________1) pitch circle                 2) tooth thickness3) working depth            4) clearanceans: 3

259) If three bodies move relatively to each other, thenaccording to kennedy's theorem, their instantaneouscentre will lie on a 1) rectancle                      2) straight line3) circle                            4) triangleans:2

258) Number of critical paths in a crashed networkin CPM having 'n' paths will be _______1) n-1                          2) =n3) <1                           4) >1ans:4

257) Product layout is employed for _______1) effective use of machines2) effective use of manpower3) batch production4) continuous productionans:4

256) Starting temperature of optical radiation pyrometeris ________--1) 400 deg c                         2) 800 deg c3) 1200 deg c                       4) 1800 deg cans:2

255) Starting temperature of optical radiation pyrometeris ________--1) 400 deg c                         2) 800 deg c3) 1200 deg c                       4) 1800 deg cans:2

254) Connecting rods are normally made of __________steel1) cast iron                            2) low carbon3) medium carbon                4) none of theseans:3

253) Connecting rods are normally made of __________steel1) cast iron                            2) low carbon3) medium carbon                4) none of theseans:3

252) How many molecules per unit cell are there ina face centred cubic lattice___________1) 4                                               2) 6  3) 2                                               4) 8ans:1

251) Hastelloy comprises of _____________1) copper and nickel2)copper and zirconium3)lead, tin, nickel4)molybdenum and nickelans:4

250) Tetra-ethyle lead is added to gasoline to______1) reduce smoke2)reduce the ignition point3)increase octane number4)reducing exhaust gasesans:3

249) __________ fluted reamer is used for reamingoperation in a  blind hole1) right hand                                2)left hand3) straight                                     4) none of theseans:1

248) Standard time is defined as the normal time plus___________1) over time                             2) idle time3) allowances                          4) none of theseans:3

247) Networks are crashed to find ___________-project duration1)minimum                           2) maximum3) optimum                           4) normalans:3

246)The number of degrees of freedom at the eutectic point of mixture of two metals is _________1) 1                                         2) 23) 0                                         4) 3ans:1

245) Which is not present in cast iron_______1) ferrite                           2) austenite3) sorbite                          4) none of theseans:3

244) Inconel is an alloy of ____________1) copper, tin, zinc2) copper, tin, nickel3)iron,nickel and chromium4)none of theseans:3

243) Lip angle of a single point cutting tool is generally___________1) 30 -60 deg2)60-80 deg3)80-118 deg4)none of theseans:2

242) Flat metal sheet are cut to the desired shape byan operation called _________1) piercing                              2) blanking3) punching                            4) perforatingans:2

241) During ____________polarity welding, the work isconnected to the positive and the electrode holderto the negative 1) straight                           2) reverse3) as per convenienc          4) none of theseans:1

240) Scheduling is a ___________1) planning of material 2) planning of man power3)list of production activities4)time table for production activitiesans:4

239) Break even point is the point of intersection of__________1) fixed cost and sales revenue2)fixed cost and total cost3)total cost and sales revenue4) none of theseans:3

238) A balance sheet for an industrial concern shows1) current assets2)fixed assets3)movable assets4)financial condition at any given timeans:4

237) In a conventional Bourdan tube pressure gaugethe elastic element used for transforming pressureto deformation is of ___________cross section1) rectangular                           2) square3) eliptical                                 4) parabolaans:3

236) High vacuum is commonly measured in ______1) mm of Hg                                  2) torr

3) kg/cm2                                      4) pascalans:2

235) Speed measurement of a submarine moving indeep sea can be done by ____________1) pitot tube                           2) mano meter3) kelideoscope                      4) both 1 and 2ans:4

34) Which of the following transducers is most commonlyused for the measurement of shock and vibration______1) LVDT2)pirani gauge3)strain gauge4)accelerometerans:4

233) Tube side temperature in a shell and tube heat exchanger is normally measured by a __________1) optical pyrometer2) radiation pyrometer3) thermo couple4) none of theseans:3

232) Working of a constant volume gas thermometer isbased on _________1) boyles law                      2) charles law3)pascals law                     4) daltons lawans:2

231) The iron-Constantan thermo couple can be usedwithin a temperature range of ________1) -30 to 350 deg c2) -30 to 1100 deg c3)-30 to 1500 deg c4) -100 to 300 deg cans:2

230) Pneumatic control valves are generally designedfor pressure upto ________1) 350 psi                       2) 1000 psi3) 150 psi                       4) 2500 psians:3

229) Pitot tube is used1) for fluid containing lot of suspended particles2) for low velocity measurements3)for large lines and velocity is high4)none of theseans:3

228) Which of the following is suitable for measuringthe temperature of a red hot moving object (e.g moving billets, steel ingots etc.,)1) thermo couple                     2) thermistor3) radiation pyrometer           4) none of theseans:3

227) Bellows are made of  ___________1) paper                             2) thin copper sheet3) leather                          4) pasticans:2

226) Maximum differential pressure in liquid manometeris __________1) 50 psi                           2) 40 psi3)20 psi                            4) 30 psians:4

225) Which  of the following flow-metering instrumentsis an areameter___________1) pitot tube                       2) venturi meter3) hot wire anemo meter  4) rotameterans:4

224) Psychrometer determines ______1) latent heat of  steam2) boiling point of gases3) humidity of gases4) degree of superheatans:3

223) For measuring the temperature of a red hot furnacewhich is the most suitable instrument_____1) thermo meter                             2) optical pyrometer3) thermo couple                            4) bi metallic thermo meterans:2

222) __________ on rapid cooling changes to martensite1) pearlite                               2) ferrite3) austenite                             4) sorbiteans:3

221) The steel containing ferrite and pearlite is 1) very hard                              2) soft3)tough                                      4) 1 and 3ns:2

220) In a single point cutting tool, the angle betweenthe surface of the flank immediately below the pointand a line drawn from the point perpendicularto the base is called the _________angle.1) back rake                        2) end relief3) side relief                         4) side rakeans:2

219) Flange wrinkling defect is found in ___________1) deep drawing                      2) bulging3) forging                                 4) none of theseans:1

218) The index crank movement in  simple indexing is____________1) 40/N                                  2) N/403) 40N                                   4) 20/Nans:1

217) ___________ drilling machine is the most suitablefor drilling holes in a rifle barrel.1) Portable                          2) Radial3) deep hole                        4) universalans:3

216) Dense structure in grinding wheel is required for__________1) heavy cuts                   2) finishing cuts3) ductile materials        4) brittle materialsans:2

215) Production of discontinuous chips is not favouredby ____________1) small rake angle2) large rake angle3)low cutting speed4)chip thickness -largeans:2

214) Frequent balancing of grinding wheel is required because during grinding, it1) rotates with high speed2)wears out unevenly3)wears out randomly4)blazing outans:3

213) Mandrel is a ________1) cutting tool2) device to hold the cylindrical work3) lathe feed mechanism4) taper attachment on latheans:2

212) To prevent the bending of the slender shaft, while turning, it is required to1) low feed2) low speed3) follower rest4) steady restans:4

211) Straight polarity is recommended for welding___________ in A.C arc welding1)  bronze                                   2) brass

3) mild steel                               4) none of theseans:3

210) Back- hand welding is suitable for plate thickness_________1) >6 mm                   2) <6 mm3)no restriction on plate thickness4)very suitable for thin platesans:1

209) The anvil is specified by its ____4_____1) height                               2) size3) length                               4) weight

208) __________jig is the most suitable for drillingradial holes on the periphery of a flange1) Universal                       2) indexing3) Template                       4) boxans:2

207) Magnetic arc blow occurs during _______arc welding1) D.C                                   2) A.C3) both 1 and 2                    4) none of theseans:1

206) A pool of molten metal is used in ________arc welding1)TIG2)MIG3)SUBMERGED4)USMans:3

205) Mild steel shanks are joined to high speed drills by____________1) spot welding2) upset butt welding3)flash butt welding4)seam weldingans:3

204) Which is the multi spot welding process______1) Seam welding2) projection welding3)Tig welding4)Mig weldingans:2

203) In die casting process, the molten metal is fed by______1) forcing it into mould cavity under pressure2) do not use force to feed molten metal3) molten metal flows by gravity

4) pouring molten metal with a funnelans:1

202) Blow hole is a casting defect which occurs due to1) shearing of some sand particles from the mould cavity2)poor permeability of moulding sand3)two streams of metals that are too cold to fuse properly4)leakage of water into the mouldans:2

201) A Mixture of 50% sand and 50% clay is called_______1) dry                                      2) oil3) green                                  4) loamans:4

200) Core in a centrifugal casting method is made of1) wood                             2) steel3) sand                              4) none of theseans:4

200) Core in a centrifugal casting method is made of1) wood                             2) steel3) sand                              4) none of theseans:4

199) A ___________machine is used to give uniformsand hardness througout the mould1) jolt                               2) squeezing3) diaphragm moulding  4) stripperans:3

198) The cam follower in high speed engine should move with a ____________1) uniform velocity2) uniform acceleration3)cycloid motion4)simple harmonic motionans:3

197) The circumferential joint of two shells are made upby _________ joint1) butt                                       2) lap3) corner                                  4) none of theseans:2

196) The fast and loose pulley is mounted on _______shaft1) driver                                2) driven 

3)main                                   4) either 1 or 2ans:2

195) Lewis form factor used in the design of gears is independent of the ________ of teeth of a gear1) length                         2) system3) type                            4) sizeans:4

194) The flank of the tooth is the surface of the tooth1) below the pitch surface2) above the pitch surface3)top of the tooth4)none of theseans:1

193) The ratio of pitch circle diameter (in mm) to the number of teeth is called1) diametral pitch2) circular pitch3) module4) gear ratioans:3

192)The gear used when the angle between the axis of two shafts is 90 degrees is a __________gear1) spiral                           2) mitre3) spur                             4) bevelans:2

191) In case of a self locking screw ____________1) friction angle is more than helix angle2) its efficiency is <50%3) both 1 and 24) none of theseans:3

190) In __________ type of levers, the fulcrum is in betweenthe load and effort1) second                      2) first3) third                         4) all the aboveans:2

189) A bolt with poor resilience will break at _______-when subjected to shock loading

1)  middle                          2) shank3) thread                            4) headans:3

188) Buckling load is a function of __________1) cross sectional area2) slenderness ratio3) modulus of elasticity4) all 1,2 and 3ans:4

187) __________ formula is used in the design of a connecting rod1) Eulers                        2) johnsons3) rankines                    4) none of theseans:3

186) ________ coupling is a rigid coupling1) universal                          2) flange3)both 1 and 2                     4) none of theseans:2

185) Tapered roller bearings are called ________ bearing1) radial                                      2) radial thrust3) thrust                                      4) none of theseans:2

184) Clutch is located between  flywheel and __________1) crank shaft                       2) gearbox and propeller shaft3) gear box                           4) none of these

ans:3

183) Load in thrust bearing acts __________ the axis ofrotation1) perpendicular to2) parallel to3) along to4)none of teseans:3

182) ___________ coupling is used for lateral misalignment1) oldham                                  2) muff3) sleeve                                    4) flangeans:1

181) The included angle for _________ thread is 55 degrees1) british association                2) B.S.Whit worth3) acme                                      4) none of theseans:2

180) Screws are specified by their ___________ diameter1) major                                      2) minor3) pitch                                       4) lengthans: 1

179) The difference between upper and lower limit of a dimension is called _____________ size1) basic size                         2) nominal size3) actual size                       4) toleranceans:4

178) __________ threads are most suitable for parts subjected to high stress in one direction only1) Square                               2) Buttress3) Metric                               4) acmeans:2

177) Fatigue strength can be increased by ___________1) cold working                     2) shot peening3) surface condition              4) all 1,2 and 3ans:4

176) Ultimate strength in tension as compared to thatin shear for steel is________

1) one third                                2) one fourth3) half                                         4) one and half times

ans:4

175) If shearing stress in nut is half the tensile stress in abolt, then the nut length should be equal to1) d                             2) 0.5 d3) 0.75 d                     4) 2 d

ans:1

174) In _____________gears, the axes are non parallel and non intersecting & teeth are straight1) skew bevel                        2) hypoid3) spiral bevel                      4) none of these

ans:3

173) ___________ gears are subjected to zero axial thrust1) Helical                           2) Herring bone3) worm                              4) hypoid

ans:2

172) Equivalent stiffness of two springs ( each havingstiffness S) in parallel is 1) S/2                                   2) S/43) S                                      4) 2Sans:4

171) In ____________ bearing, the oil film pressureis generated only by the rotation of the journal1) hydrostatic                                 2) hydro dynamic3) oil less                                         4) none of these

ans:2

170) Spring ___________ is the load required to produce

unit deflection.1) index                              2) constant3) stiffness                          4) none of these

ans:2

169) Failure of key against ________ determines itsstrength1) shearng                                 2) crushing3) bending                                  4) both 1 and 2

ans:4

168) ___________ gear is used for non parallel  and non intersection shafts1) helical                                     2) herring bone3) worm                                       4) hypoid

ans:3

167) Most suitable joint for pipes carrying fluids underpressure and temperature1)  expansion                        2) flanged3) threaded                          4) union couplingans:1

166) How many nodes a shaft carrying three rotors will have______

1)  1                               2) 23)  3                               4)4ans:2

165) Swaying Couple is caused due to _________) secondary unbalanced forces2) primary unbalanced forces3) partial imbalance4) none of theseans:2

164) The amplitude of vibration at resonance in steadystate forced vibrations is __________to dampingcoeficient.1) inverse proportional              2) direct proportional3) equal                                        4) none of these

163) Coefficient of fluctuation of speed is the _________of maximum fluctuation speed and the mean speed.1) ratio                                2) product3) difference                       4) none of theseans:1

162) In ____________ vibration, all the particles of the system vibrate along straight path perpendicular to

theaxis of the string under consideration.1) longitudinal                         2) transverse3) torsional                              4) none of theseans:2

161) Time period of a simple pendulum depends upon the ___________of pendulum1) length                                  2) period3) thickness                             4) weightans:1

160) Flat follower is preferred in automobile enginesbecause of ____________1) flat bottom surface                  2) easy to fabricate3) space limitations                     4) none of theseans:3

159) Primary and Secondary __________ must be balanced in order to balance the reciprocating masses.1) couples                               2) forces3) loads                                  4) both 1 and 2ans:4

158) With ________governor speed, the sleeve of a portergovernor moves upwards1) decrease                                   2) increase3) no sleeve                                  4) unchangedans:2

157) Klein's diagram helps in finding___________of various parts1) velocity                          2) acceleration) displacement                4) time periodans:2

156) The tension in slack side of a chain is ____________tight side

1) more than                                   2) less than3)  zero (approximately)               4) equal tons:3

155) A slider moving on a fixed link having constant radius of curvature will have its instantaneous centre at1) their cetre of circle                  2) their centre of curvature3) at fixed link pin point              4) at the point of contactans:1

154) Velocity curve of the follower in simple harmonic

motion will be  a  ___________ curve1) cosine                               2) tangent3) bar                                   4) sineans:4

154) Watt governor is most suitable for ___________speed engines?1) high                                          2) medium3) low                                            4) watt governor not used in                                                      enginesans:3

153) Use of a spring with greater stiffness in a Hartnellgovernor___________ its sensitivity1) increases                                       2) reduces3) does not change                            4) no spring usedans:2

152) In case of open belt, the slipping of belt occurs ifthe distance between driving and driven pulleys is1) large                                  2) very large3) slipping does not exist     4) very shortans:4

151) What is the lower critical temperature for steels?1) 1014 deg c                              2) 723 deg c3) 915 deg c                                4) 682 deg cans:2

150) Material of construction of tool used in ultrasonic machining is ____________

1) brass or copper           2) sinthetic carbide3) high carbon steel         4) stelliteans:1

149) surface finish of the order of 0.75 to 1.25 um can be obtained by1) buffing                                 2)honing3) grinding                              4) none of theseans:3

148) Multi point cutting is used on ___________1) milling machine                   2) broaching machine3) shaping machine                 4) both 1 and 2ans:4

147) The ratio of maximum depth of cut in drilling tothe drill diameter is __________1) 0.25                                       2) 0.53) 1                                            4) 2ans:2

146) A planar is specified by its ___________1) stroke length                       2) length of cross rail3) table size                              4) both 1 &2ans:4

145) Commonly used cutting fluid during milling/turningof alloy steel is __________1) soap solution                    2) soluble oil3) sulphurised mineral oil    4) waterans:3

144) An operation of producing narrow grooves/ slots on a work piece is called _____________ milling1) saw                                2) gang3) helical                           4) face ans:1

143) Flank wear in cutting tools occurs mainly on the _____1) nose part, side relief face, front relief face2)top face and back face3) bottom face and top face4) no wear observedans:1

142) A jig is a device which holds and locates a work piece1) its not true2) guides and controls cutting tools3) does not support cutting tool4) none of theseans:2

141) which is the heaviest fuel gas out the following_____1) water gas                          2) producer gas3) blast furnace gas             4) coke oven gas

ans:3

140) High sulphur content in a fuel _______1) increases carbon monoxide in exhaust2)reduces fuel combustion efficiency3)increases dew point of  the flue gases4) both 2 & 3ans:4

139) Which of the following additives improves the cetanenumber of diesel___________1) Ethyle mercaptan                        2) Amyl nitrate3) tetra ethyle lead                          4) naptha

ans:2

138) Flash point of diesel / kerosene ( > 50 degrees C)is determined by

1) pensky-Martens apparatus2) say bolt chromometer3) rankine fire meter4) none of theseans:1

137) Lancashire boiler is a __________ boiler1) vertical                            2) extremely large3) natural circulation         4) forced circulationans:3

136) Use of Economiser in a boiler reduces the fuel consumption for steam generation by about1) 15 %                                   2) 20%3) 35%                                    4) 60%ans:1

135) Which is not a Fire tube boiler________1) cochran boiler                      2) babcock and wilcox 3) lancashire                             4) locomotive boilerans:2

134) Boiler draught of 10mm water column is equal to________1) 10 kgf/m2                           2) 1 kgf/m23) 10 kgf/mm2                      4)  1 kgf/mm2ans:1

133) Steam drum size in a Babcock and Wilcox boilercan be made small because it contains _______tubes1) no water                                  2) less no. of tubes3) vertical tubes                          4) it has no drumans:1

132) The delivery pressure of feed pump compared tothe boiler pressure is _______-1) slightly more                               2) same3) cannot be determined                4) slightly lessans: 1

131) The material of construction of pressure mills used for squeezing out the juice from sugar cane is___2__-1) mild steel                                  2) cast iron3) stainless steel                           4) high carbon steel

130) Stainless steel contains ________1) tungesten                            2) bismuth3) chromium and nickel        4) cadmium and cobaltans:3

129) Valves in pipe sizes of  2" and under are normally made of ________1) bronze                             2)brass3) wrought iron                  4) alloy steelans:2 

128) Presence of managanese in alloy steel improves its1) cutting ability2) corrosion resistance3)abrasion resistance and toughness4)elasticityans:3

127) Most suitable material for high pressure vessel operatingat 500 atm. and 500 degrees centigrade is1) 18/8 stainless steel2) high silicon steel3) mild steel4)molybdenum stainless steelans:4

126) Mumtz Metal is ___________1) an alloy of copper and zinc2) an alloy of copper and tin3) an alloy of copper and magnesium4) an alloy of lead and tin

ans:1

125) which of the following has the poorest weldability?1) wrought iron2) low carbon steel3)mild steel4) high carbon steelans:4

124) The following is used as a bearing material____1) cast iron                             2) wrought iron3) babbit metal                      4) steelans:3

123) Presence of impurities in iron _____________1) decreases its melting point2) makes it malleable3) increases its melting point4)does not affect melting pointans:1

122) Which is the hardest out these _______1) Pearlite                                      2) cementite3)ferrite                                          4) austeniteans:4

121) A steel alloy having 36% nickel is called________

1) high nickel steel                     2) invar3) nicosteel                                  4) tool steelans:2120) Water tube boiler is one in which _________1)tube carrying hot flue gases are immersed in a pool of water2)hot water passing over the tubes3)water passes through tubes and flue gasesaround it4)none of theseans:3

119) Air-Petrol ratio in an automotive petrol engineis around1) 22:1                                        2) 25:13) 12:1                                        4) 14:1

ans:4118) Maximum thermal efficiency of a steam boiler may be around1)  45%                                 2) 90%3)  35%                                 4) 60as:2

117) Gantt chart provides information regarding) inventory carrying cost2) fixed and floating overheads3) production schedule4)machine loading and unloadingans:3

116)In a transportation problem, a fictitious factory isused if__________1) demand is more than supply2) supply is more than demand3)warehouses are more in number4) none of theseans:1

115) Which of the following wage incentive plan will motivate the supervisors by paying a premium on timesaved by workers?) emersons efficiency plan2)taylors differential piece rate3)rowan plan4) hayness planans:4

114) Work study is carried out with the help of 1) stop watch                                2) gantt chart3) process chart                           4) none of thesens:1

113) Profit is shown by break even analysis when salesrevenue is _________total cost1) less than                             2) more than

3) equal to                              3) unequalans:2

112) In inventory control, if the yearly demand of certain material is fixed, then the economic order quantitygives minimum ________ cost per year inventory carrying                 2) fixed overheads3)total cost                                   4) other expensiveans:3

111) Thermo couple is suitable for measuring1) pressure                           2) temperature3) thermal stiffness              4) bi-metallic stripsans:2

110) Invar used in thermocouples in an alloy of______1)chromium and nickel.2) iron and nickel3)copper and nickel4)lead and tinans:2

109) Viscosity index _____________-1) is the measure of  surface tension2) is the measure of variation of viscosity with temperature3)is the measure of lubricating oils film coefficient4)none of theseans:2

108) Junker's calorimeter is used to determine the calorificvalue of  ___________

1) bituminous coal                              2) anthracite coal3) gaseous fuel                                     4) solid wasteans: 3107) Tool signature ____________the tool1) indicates the life of tool2)gives the complete specification of tool3)is a numerical method for identifying the tool4)is the specification for materialans:3

106) The quantity of heat required to evaporate 1 kg ofsaturated liquid is called ___________

1) calorie                                2) 1 kilo calorie3) latent heat                         4) specific heatans:3

105) Function of gear box is to ____________1) decrease load on the main engine2) to obtain variable speeds3) to measure torque

4) neutralise the speedans:2

104) Octane number of Petrol is a measure of its ______1) burning capacity                         2) % of exhaust gases3) knocking tendency                      4) ignition delayans:3

103) Standard time is normal time plus _________1) allowances                                2) machine idle time3) machine loading time              4) lunch timeans:1

102) Process layout is employed for ___________1) continuous production2) line production3)batch production4) mass productionans:3

101) The probability distribution of activity times inPERT is1) polynomial                                        2) binomial3)normal                                                4) exponentialans:2

100) Working of linear variable differential transducer(LVDT) is based on the principal of variable_______1) resistance2) capacitance3)mutual inductance4)self inductanceans:3

99) Invar  contains high percentage of _________1) iron                                  2) cobalt3) tungsten                           4) aluminiumans:1

98) Gamma iron is known as_______2_____1) ferrite                                  2) austenite) cementite                            4) pearlite

97) which is the desirable characteristic of  a measuringinstrument?1) high fidelity                          2) high drift3) high stiffness                         4) high measuring lagans: 1

96) Car engine crank shafts are usually made of high ______________steel.

1) nickel                                   2) chromium3) speed                                    4) managnese

ans:2

95) Rockwell number represents _________1) material property of substance2) hardness of a substance3) brittleness of a substance4) durability of a substanceans:2

94) Originator of industrial Engineering?1) gilberth                                      2) taylor3) gantt                                           4) krik and watsonans:3

93) which of the following constituents of cast iron ismainly repsonsible for imparting anti-corrosive property?1)slphur                                       2) silicon3) phosphorus                               4) cadmiumans:2

92) Electro Discharge Machining _______-1) uses dieelectric to act as a coolant as well as to controlthe spark discharges2) does not use dielectric3) actually its not a machining process4) does not use tool

ans:1 

91)Finishing of gears is done by ______________1) gear hobbing                               2) milling machine3) gear chasing                                4) shapingans: 1

90) Ball bearings are normally made from _________steel1) high speed steel                     2) high carbon steel3) nodular cast iron                  4) chromium steelans:4

88) Carbon percentage is same in cast iron and _______1) mild steel                                  2) wrought iron3) pig iron                                     4) high speed steelans: 3

87) Bell metal is an alloy of  __________1)  copper and nickel2) copper and tin3) copper and zinc4) tin and leadans: 2

86) A high pressure boiler generates steam at a pressure(kg/cm2) greater than ____________

1) 20                                       2) 253) 60                                       4) 80ans: 4

85) Cetane number of diesel used in trucks may be1)  15                                            2) 353) 45                                             4) 85ans:2

84) Twist drill is a ______________cutting tool1) end                                        2) side3) front                                     4) middleans:1

83) Grinding is a ___________operation1) dressing                             2)surface finishing3) polishing                            4) shapingans: 2

82) Balls in a ball mill are usually made of 1) cast iron                2) wrought iron3) steel                       4) leadns: 3

81) Dilatometer is used to measure1) pressure and stress in pipeline 2) stress in process piping3) deflection in long beams4) expansion/contraction due to changes in temperature

ans:4

80)Stainless Steel is not corroded by________

1) sulphuric acid (10%)2) nitric acid (10%)3) brine (10%)4) hydrochloric acid (10%)ans: 2

79) wrought iron is ___________1)malleable, ductile and is used for making chain linkscranne hooks and couplings2)an alloy of  cast iron3)an alloy of carbon and chromium4)used to prepare machine bodiesans:1

78) Point angle of a drill is normally ___________1)  105 degrees                          2) 118 degrees3) 90 degrees                            4) 180 degreesans:2

77) Taper on a key is provided on _______side1) bottom                            2) top

3) side                                 4) frontans:2

76) The helix angle of  drill made of ferrous materials istaken as1) 35 degrees                      2) 45 degrees3) 65 degrees                      4) 75 degreesans:2

75) ABC Analysis is related to ________1) job order schedule2) bill of materials3)inventory cost control4)production capacityans:3

74) Gantt chart gives information about ___________1) planning schedule            2) production schedule3)material schedule             4)machine loading schedulueans:2

73)A pull broach as compared to a push broach1) removes more material for each pass2)removes less material for each pass3)does not remove material4)less number of teethans:1

72) Scott-Russel mechanism is made up of __________pair1) self closed                                  2) self forced3) turning                                      4) slidingans:4

71)Advantage of line layout is___________1) less productivty in proper machine loading2)machines are grouped in one place3)machines are idle at lunch hours4)high productivity through automationans:4

70) Solenoid valve operates like ___________1) on-off controller                       2) temperature gauge3)pressure gauge                          4) water gaugeans:1

69) Tachometer measures ______________1) flow rate                                        2) temperature3)RPM                                               4) gasans:3

68) _____________governor is a spring loaded governor?1) pickering                                    2) watt

3) hartnell                                      4) none of theseans:3

67) Cam Size depends upon _________ circle1) base                                          2) pitch3) prime                                       4) topans:1

66)Tempering of steel is done to make ita)weak                                     b)hardc)soft                                        d)breakans:c

65)Work sampling is used to find out_________a)percent idle time for men/machinesb)percent reduced cost of materialc)percent increase in sales volumed)percent damaged product in a lotans:a

64)Viscosity of water may be around________-a)1 poise                                     b)1 centi poisec)1 stoke                                     d) 1 poundans:b

63)Thermal efficiency of an internal combustion engineis around________a) 60%                                               b)50%c) 35%                                               d)20%ans:c

62)Pig iron is made from__________a)made from wrought ironb)made from cast ironc)raw product from blast furnaced)cokeans:c

61)Cutting Angle of a flat drill is in the range of___d__a)10-20 degrees                       b) 20- 60 degreesc)60-90 degrees                       d)80-120 degrees

60)Dressing of grinding wheel is done for_______-a) to sharpen                        b)to balancec)truing                                 d)remove dustans:a

59)Thermit (used in thermit welding) consists of__________a)iron oxide                       b)iron oxide and aluminium

c)iron oxide and silica      d)sulphur and manganeseans:b

58)________threads are most useful for fastening purposea)Square                                   b)acmec)knuckle                                  c)V threadans:c

57)The product of diametral pitch and circular pitchfor a spur gear is________a) pi /2                                 b)pi*D/2c)pi                                      d) pi*pians:c

56)______is used for reinforcement of sand in the top part of the moulding boxa)slick                                  b)riddlec)swab                                 d)cope

ans:b

55)The radial distance of a tooth from the pitch circleto the bottom of the tooth is termed as________a)addendum                                   b)dedendumc)base circle                                   d)diametral pitchans:b

54)Nuts and Bolts are manufactured on largescale by_______a)hot extrusion                           b)cold extrusionc)hot piercing                             d)cold peeningans:d 53)Oxy-acetylene welding mostly employs_____flamea)carburising flame                   b)neutral flamec)oxidising flame                       d)reducing 

ans:b52)The operation employed to expand a tubular or cylindrical part is __________a)bulging                                   b)swagingc)hemming                                d)notchingans:a

51)Brass is an alloy of __________a) copper and zinc                       b)copper and tinc)copper and lead                       d)copper and alumuniumans:a

50)Ball Mill is used for_________a)coarse grinding                          b)rough grindingc)fine grinding                               d)nitriding

ans:c

49)Spark plug is provided in ________enginesa)petro engines                             b)diesel enginesc)gasoline engines                        d)both a and cans:d48)___________cost comes under prime cost in costinga) overhead costs                              b)administrative costsc)direct costs                                     d)indirect costsans:c

47)Hot wire Anemometer is used for the measurement of___________a)high pressure measurementb)high temperature measurementc)thermal conductivity of fluidsd)flow rates of fluidsans:d

46)Crystal structure of a gamma iron is_________a) hexagonal                                      b)f.c.cc)b.c.c                                                d)squareans:b 45)Which of the following is a boiler accessory_____a)feed check valve                           b)feed water pumpc)stop valve                                      d) blow off cockans:b

44)Machining of __________produces segmental chipsa) mild steel                                            b)stainless steelc)cast iron                                              d) aluminiumans:c

43)__________key is provided in the hub only and hollowedto fit the shafta)sunk                                                    b)flatc)feather key                                         d)saddles:d

42)__________governor is a pendulum type governora) hartnell                                                 b) wattc)porter                                                     d)hartungans:b

41)The idler pulley is used to increase the ________a) initial tension in the beltb) to divert the routec)power transmission capacity of the beltd)to control soundans:c

40) Depreciation is_______b___in profit with timea) increase                                  b) decreasec) bonus                                      d) dividend

39) Manganese in steel affects its_______a)hardness                                       b)ductilityc)tensile strength                            d)brittlenessans:c

38) Which of the following crystal structure characterisesthe  austenitic stainless steel?a) body centred cubic        b)face centred cubicc) beta centred  cubic        d) diamond centred cubicans:b

37)Corrosion resistance of Steel is increased by the addition of_________a)lead and zinc                       b) tungsten  and zincc)sulphur and phosphours    d) nickel and chromium

ans:d36)Boiler tube size is specified by its thickness and___________diametera)mean                                            b)outsidec)inside                                           d) rootans:b

35)Stellite (cutting tool material) is a _____________material) ceramic                                        b) diamondc)ferrous                                          d)non ferrous caste alloyns:d

34) Rear teeth of a broach removes_______metala)maximum                                  b) minimumc)scrap                                          d) noans:a

33) _____________deviation is the algebric differencebetween minimum and basic size.a)upper deviation                           b)lower deviationc)fundamental deviation                d)standard deviationans:b

32)The included angle for_________thread is 29 degreesa) buttress                                         b) knucklec) B.S.Whiteworth                           d) acmeans:d31)Rankine's theory of materials failure is used for_____________a)plastic                                              b)ductilec) brittle                                             d) elasticans:c

30) Curtis turbine is a ______________ turbinea)pressure compounded reaction turbineb)velocity compounded reaction turbinec)impulse reaction turbined)none of theseans:b29) Use of Steam Trapa) superheating of the steam b) condensate the steamc)separate condensate from steam  d) to add moisture to steam

ans:c28) Ratio of iron oxide to aluminium in the thermit mixturea) 1:3                                                     b) 1:2c) 3:1                                                     d) 3:2ans:c

27) In ultra sonic machining proccess, the machining action is achieved bya) impact of tool on work piece b) impact of tool on abrasive particlesc) silicon carbide slurryd) aluminium oxide slurryans:b26)Jig is used while _____________a  holea) turning                                          b) boringc) drilling                                          d) none of theseans:c

25) Pirani gauge is used for measuring ____________a)  liquids                                           b) vacuumc)  pressure                                        d) velocityans:b 24) The capacity of a belt conveyor depends on the __________of the belta) slope                                                b)height from groundc)cross section and speed                  d) none of theseans:c 23) In CPM, the direct  costs of an activity varies ___________with activity timea) directly                                           b)indirectlyc) linearly                                           d)non linearlyans:d

22) Mc Leod Gauge works on the principle of ___________a) boyles law                    b) charles lawc)pascals law                   d) first law of thermodynamicsans: a

21) German Silver is an alloy of ______________a) nickel and silver                           b) copper  nickel and zincc) silver  aluminium and zinc          d) silver  nickel and zincans: b20) Grinding is a _________________operationa) turning                                           b) surface finishingc) truing                                             d) dressingans: b19) Journal bearing is lubricated by oil at the point where load is  a)average                                           b) maximumc)minimum                                        d) none of theseans:c18)Follower is usually used in aircraft engines________a)roller                                               b)sphericalc)flat                                                   d)knife edgeans:a17)Centrifugal Casting method is used for _________objectsa)symmetrical                                    b)unsymmetricalc)heavy weight                                   d)none of theseans:a16)Climb milling is also called ______________millinga)up milling                                       b)down millingc)bridge milling                                d) face millingans:b

15)The job is most accurately centred on a lathe by _____________chucka)four jaw                                          b)three jawc)two jaw                                           d)colletans: a

14)Bronze is an alloy of ______________a)lead and nickel                               b)copper and zincc)copper and lead                             d)copper and tinans:d13)Evenly spaced holes cutting in a regular pattern on a metallic sheet is called _______________

a)piercing                                          b)perforatingc)punching                                         d)punchingans:b12) Normalising is a heat treatment process used for______________a) increase hardness                          b)increase temperingc)relieving internal stresses              d)elongate the lengthans:c11) Size of Rivet is specified by _____________a) its weight                                       b)head diameter

c)length                                              d)shank diameterans: d

10)The area inside P-V diagram for a diesel engine represents_______________a)work done                                        b)heat rejectedc)heat supplied                                   d)entropy changeans:a10)The area inside P-V diagram for a diesel engine represents____________________a)work done                                        b)heat rejectedc)heat supplied                                   d)entropy changeans:a

9) The process in which no heat enters or leaves the system is calleda)isobaric                                          b)isothermalc)isochoric                                        d)isentropicans:d

8) Washers are normally specified by their_____________diametersa)width                                               b)outerc)hole                                                  d)none of theseans:c7)RPM of a shaft is measured by _____________a)radal meter                                   b)tachometerc)anemo meter                                  d) volt meterans:b

6)Monel metal is an alloy of _______________a)copper and zinc                             b)copper and aluminiumc)nickel and copper                         d)zinc and tinans: c

5) Tempering of steel is done to make it_______________a)malleable                                       b)extreme hardc)brittle                                             d)softans:d4)The main function of economiser in a boiler is to heat up the______________by exhaust flue gas.a)saturated steam                             b) airc)feed water                                      d) none of theseans: c3) No cutting fluid is required while machining____c_______a)alloy steel                                       b) high carbon steelc)cast iron                                         d) mild steel2) Ratio of coil diameter to wire diameter is called spring ___________a)stiffness                                           b)index

c)constant                                          d)none of theseans: b

1)  _____________Coupling is used to join two shafts whose axes intersect at a small anglea)  Bushed pin flexible               b) Universalc) Oldhams                                 d) Muff

ans: b