Course Title: Elements of Mechanical & Electrical ... syllabus/JTS IX Std.pdf · Elements of Electrical Engineering Unit -1 Concept of Electricity: Introduction to electricity, advantages

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PART-A

Elements of Mechanical Engineering

Prerequisites: Knowledge of Primary School Science and Mathematics

Course Objectives: Understand the basics in Mechanical and Electrical Engineering

Course Outcomes: At the end of the course, the students will be able to

1. Know the Elements of mechanical Transmission of Power

2. Understand the formation of steam, its properties and working principle of steam Boiler

And Steam Turbine

3. Know the working principle of Hydraulic Turbines and Pumps

4. Understand the concept of Electricity, work, power, energy, Solve simple problems on

Ohm’s law,

5. Know the concepts of magnetism and electromagnetism

6. Appreciate the semi-conductor in Electronics

Unit-1

Transmission of Power: Know the Classification of power Transmission systems, understand

Open Belt drive, Crossed Belt drive, V – Belt Drive, stepped cone pulley, explain velocity ratio

of belt drive with simple problems, understand the chain drive, advantage & disadvantage of

chain drive, explain Gear drive, types of gear drives, advantage & disadvantage of gear drive.

(15 periods)

Unit-2

Steam Formation: Understand the Formation of steam, define wet steam, dryness fraction,

dry saturated steam, superheated steam and know the advantages of super heated steam.

(08 periods)

Steam Boilers and Steam Turbines: Know the classification of Boiler, Compare water tube

boiler & fire tube boiler, explain the working of Simple vertical boiler. List the functions of

boiler mountings & accessories , know the Classification of steam Turbines, Compare impulse &

reaction turbine. (15 periods)

Course Title: Elements of Mechanical & Electrical Engineering - 1 Course: JTS (IX std )

Periods (L:T:P) : 4:0:0 :: L-Lecture, T-Tutorial, P-Practical. Total Contact Periods: 112


Unit-3

Hydraulic Turbines: Classification of Hydraulic Turbines, Comparison between reaction and

impulse turbine, working principle of Pelton Wheel,

(10 periods)

1

Hydraulic Pumps: Classification of hydraulic pumps, working principle of Reciprocating

pump, Centrifugal pump.

(08 periods)

PART-B

Elements of Electrical Engineering

Unit -1

Concept of Electricity: Introduction to electricity, advantages and applications of electrical

energy. Sources of electrical energy.

Concept of electrical current, its SI unit. Definition of e.m.f, potential difference, its unit.

Instruments used for measurement of current and voltage.

A practical electrical circuit diagram consisting of source, fuse, switch and load.

Definition of conductor and insulator with examples (15 periods)

Electrical Resistance and Circuits: Definition of resistance and its SI unit, laws of resistance,

Ohm’s law – applications, limitations with simple problems. Determination of equivalent

resistance for resistances connected in series and parallel with simple problems. (12periods)

Unit -2

Work, Power and Energy: Definitions of work, Electric power, Electrical energy and their SI

units with simple problems. Relationship between Horse-Power and Kilo-Watt. (10periods)

Magnetism and Electromagnetism: Introduction to magnetism, permanent-magnet and

electro-magnet with uses. Definitions of magnetic field, magnetic flux, flux density, m.m.f,

reluctance and their SI units. Determination of direction of magnetic field by right hand thumb

rule and cork-screw rule. (12 periods)

( Unit -3

Electronics: semi-conductor- Definition, types- Intrinsic and Extrinsic semi-conductors.

Concept of doping. P-type and N-type materials, (7 periods)


( References:

1.K.R.Gopalakrishna“Mechanical Engineering Science” Subhas Publications, 2010.

2.Dr.R.K.Hegde,”Elements of Mechanical Engineering”, Subhas Publications, 2014

3. Bannapurmath V.S.yaliwal.”Basic Machincal Engneering “,Vikas publishing -2015

4. Principles of Electrical Engineering and Electronics – V.K.Mehta, Rohit Mehta.

(S.Chand & Co. Pvt. Ltd.)

5. ABC of Electrical Engineering.- B.L. Thareja & A.K. Thereja (S.Chand & Co. Pvt. Ltd.)

6. Elements of Electrical Engg for JTS students

Scheme of Examination

Sl No

Unit Name

Periods Questions to be

set for

(10marks )

1 Transmission of Power 15 10

2 Steam Formation 08 10

3 Steam Boilers and Steam Turbines 15 10

4 Hydraulic Turbines 10 10

5 Hydraulic Pumps: 08 10

6 Concept of Electricity 15 10

7 Electrical resistance and circuits 12 10

8 Work, Power and Energy 10 10

9 Magnetism & Electromagnetism 12 10

10 Electronics 7 10

TOTAL 112 100


Model Question Paper

Elements of Mechanical & Electrical Engineering - 1

Part-A

Max mark-50

Note: Answer all Questions

1a).Define transmission of power 02

b).Name the different types of transmission of power 04

c).With a neat sketch explains open belt drive & Cross belt drive 04

2 a).Define Dryness fraction 02

b).Differentiate between wet steam & dry saturating steam 04

c).List the properties of steam 04

3 a) Mention the application of boiler 02

b).write the Classification of boiler, 04

c).Draw a neat sketch of simple vertical boiler label the parts 04

OR

3 a).List the boiler accessories 02

b).What are the differences between water tube boiler & fire tube boiler 04

c).What is the function of water level indicator & fusible plug 04

4 a) Mention the application steam turbine 02

b).Differentiate between impulse turbine & reaction turbine 04

c) What is the function of economiser & super heater 04

5 a) Mention the application water turbine 02

b).write the Classification of water turbine 04

c).Draw the neat sketch of pelton wheel & label the parts 04


Part-B

Max mark-50

Note: Answer all the questions.

6. a. Define conductor and give an example. 2

b. State any four applications of electrical energy. 4

c. Define and mention the SI unit of i) Electrical Current ii) e.m.f. 4

7. a. Define and mention the SI unit of resistance. 2

b. State any four advantages of electrical energy over other forms of energy. 4

c. Draw a practical circuit consisting of source, load, switch and protective device. 4

8. a. Define electrical power and mention their unit. 2

b. State Ohm’s law and write the necessary equations. 4

c. Three resistances of 4 Ω, 6 Ω, and 10 Ω are connected in series across a supply of 100

volts, find i) equivalent resistance ii) Total current in the circuit 4

9. a. Convert Horsepower into watt. 2

b. A 100 watt lamp is used for 6 hrs a day, find i) Energy consumed per month, ii) cost of

energy if each unit costs Rs.4.00 4

c. Define with SI units. i) Magnetic flux ii) flux density 4

10. a. Define semi-conductor and give example. 2

b. Define a magnet and write the properties of magnet. 4

c. Name the types of magnets and mention its uses. 4

OR

a. Define magneto motive force and write its unit. 2

b. State four effects of electric current with example each. 4

c. Determine the equivalent of three resistances R1, R2, and R3 when connected in series

across a supply of V volts. 4


Model Question Bank

Elements of Mechanical & Electrical Engineering - 1

PART A

1. Draw the neat sketch of stepped cone pulley and label its parts

2 Mention the uses of stepped cone pulley

5. Define Velocity Ratio Belt drive

6. Mention the types of chain drive

7. Write the Advantages & Disadvantages of chain drive

8. List the types of gear

9. What is gear drive

10. What are the advantage & disadvantage of gear drive?

11. Draw the neat sketch spur gear

12. List the advantages super heated steam

13 define dryness fraction of steam

14. Define wet steam, dry steam and superheated steam

15. Write the comparison between fire tube boiler & water tube boiler

16. List the boiler accessories

17. List the boiler mountings

18. Name any two boiler mountings & mention their uses.

19 write the classification of steam turbine

20. Draw a neat sketch of pelton wheel turbine


PART- B

1. Define electricity.

2. State any five applications of electrical energy.

3. State five advantages of electrical energy over other forms of energy.

4. Name the sources of electrical energy.

5. Write five effects of electrical current with an example each.

6. Define and mention the SI units of i) Electrical Current. ii ) e.m.f

7. Define and mention the SI units of potential difference and resistance.

8. Mention the meters used for the measurement of current and voltage.

9. Draw a practical circuit consisting of source, load, switch, protective device, voltmeter

and ammeter.

10. Define conductor and insulator with examples.

11. State the difference between conductor and insulator.

12. Define and mention the SI units of resistance.

13. State the laws of resistance.

14. State the factors on which the resistance of the conductor depends.

15. State Ohm’s Law and write the necessary equations.

16. State Ohm’s law and mention the limitations.

17. Mention the applications of Ohm’s law.

18. Determine the equivalent resistance of three resistances R1, R2 and R3 when connected

in series across a supply of V volts.

19. Determine the equivalent resistance of three resistances R1, R2 and R3 when connected

in parallel across a supply of V volts.

20. Three resistances of 4, 6 and 10 ohms are connected in series across a supply of 100V

find, i. Effective resistance of circuit. ii. Total current in the circuit. iii. Voltage drop in

across each resistance.

21. Three resistances of 4, 6 and 12 ohms are connected in parallel across a supply of 24V

find, i. Effective resistance of circuit. ii. Total current in the circuit. iii. Current through

each resistance.

22. Define i) Work. ii) Electric power. iii) Electrical energy and mention their units.

23. Define Electric power and write the three equations.

24. An electric stove takes a current of 5 Amps when connected to a 230 V supply, find the

power taken by the stove.

25. Find the current taken by an electric bulb of 100Watts when connected to a 200 Volts

supply.

26. A 100 Watt lamp is used for 6 hours a day, find i) energy consumed per month, ii) cost

of energy, if each unit costs Rs.4.00

27. A house consists of two bulbs of 60 W each and two bulbs 40 Watts each, if they are

used for 4 hours a day, find monthly consumption charges at the rate of Rs.3.00 per

unit.

28. Convert Horse power into Watts.

29. Define a magnet and write the properties of the magnet.

30. Name the types of magnet and mention its uses.

31. Define with SI Units, i) magnetic flux ii) magnetic field.

32. Define with SI Units, i) flux density ii) magneto motive force iii) reluctance.

33. Define Semi-conductor and give examples.

34. Explain doping in semi-conductors

35. Distinguish between intrinsic and extrinsic semi-conductors


. Prerequisites: knowledge of Fundamentals Engineering Drawing – 1 & 2

Course Objectives: Developing Engineering Drawing skills.


1. Understand the concept of Orthographic Projection.

2. Understand the Projection of Points, Lines and Planes

Unit-1

Orthographic Projection: Introduction to orthographic projection, explain principle views &

principle planes, four quadrant & system of projection, first angle projection, third angle

projection, difference between first angle & third angle projection and know the symbol of

projection, (08 Periods)

Projection of Points: Explain Location of point, conventional representation of point,

projection of point in the first, second, third, & fourth quadrant. (10 Periods)

Unit-2

Projection of Line: Explain Projection of a line parallel to H.P & V.P, Projection of a line

parallel to H.P & perpendicular to V.P, Projection of a line parallel to V.P & perpendicular to

H.P, Projection of a line parallel to V.P & inclined to H.P, Projection of a line parallel to H.P &

inclined to V.P. (One problem in each condition).

(25 Periods)

Projection of Plane: Explain Projection of a plane parallel to one of the principle plane and

perpendicular to other two, Projection of a plane surface perpendicular to one of the principle

plane and inclined to other, (Triangular, Square, Pentagonal, Hexagonal and Circular Planes

should be considered. (One problem in each category).

(25 Periods)

Unit-3

Computer Practice: Practice Unit 2 in computer using appropriate software

(16 Periods)

Note: Students should do minimum of 10 drawing sheets and submit it for evaluation

(

1

References:

1. K.R.Gopalakrishna”Engineering Drawing” Subhas Publications, 2010.

2. Dr.R.K.Hegde,”Engineering Drawing”, Subhas Publications, 2014

3. Shankar Prasad Dey,”Mechanical Engineering Drawing”, Vikas Publishing-2015

Course Title: Engineering Graphics - 1 Course: JTS (IX std )

periods (L:T:P) : 0:1:2 :: L-Lecture, T-Tutorial, P-

Practical.

Total Contact Periods: 84


Scheme of valuation

Sl

No

Contents

Periods Questions to be

set for

(10marks )

1 Orthographic Projection 08 05

2 Projection of points 10 05

3 Projection of line 25 20

4 Projection of planes 25 20

5 Computer practice 16 00

TOTAL 84 50



Engineering Graphics - 1

Max marks: 50

Q.no1. a. Write the symbol of first angle & third angle projection 04

b. Name the different principle views of planes 04

c,. What is orthographic projection 02

Q.no.2 a. Show the location of point touching all the three principal planes 04

b. Draw the principle views of point laying 50mm below V.P & 40mm in front of

H.P 04

c. Draw the principle views of point laying 50mm below H.P & 40mm in front of

V.P 04

Q.no.3 .Draw the principle views of a line 70mm long when it is placed parallel to HP &

VP One of the end is 60mm above HP 50mm in front of VP. 10

Qno.4. A line 80mm long is perpendicular to VP & parallel to HP the end nearer to VP is

20mm above HP & 25mm in front of VP draw its projections. 10

Qno.5.A regular hexagonal of lamina 35mm side rests on HP, when its plane vertical &

Inclined at 450 to VP .Draw the front & top views one of its side perpendicular to

HP

10

OR

Circular lamina 50 mm diameters rest in HP such that the surface of lamina is

Inclined at 300 to HP. Draw its projections


Model Question Bank

Engineering Graphics – 1

1. What is first angle & third angle projection, write its symbol

2. Difference between first angle & third angle projection

3. A point is 40mm in front of VP & 50mm above HP .Draw the principle of view of

point in first quadrant

4. A point P is 30mm above HP & 50mm behind VP .draw the principle of view of

point is second quadrant

5. A point P is 40mm behind VP & 60mm below HP .draw the principle view of

the point in third quadrant

6. Draw the principle view of point P 60mm below HP & 50mm in front of VP in

the fourth quadrant

7. Draw the line of projection of line 40 mm lengths parallel to HP & parallel to

VP.

8. Draw the projection of line 40mm length is parallel to HP & perpendicular to

VP

9. Draw projection of line of 40mm length is parallel to VP & perpendicular to HP

10. Draw projection of line 40mm length the line is parallel to VP & inclined 450 to

HP

11. Draw the projection of line 40 mm lengths. a line is parallel to HP & inclined 300

to VP

12. Give the definition of plane surface

13. What are the position of plane surface & what it is true shape of plane surface

14. What are the general rules for position of plane surface in the projection?

15. A regular pentagon lamina 30mm side rests on HP & with its base vertical &

inclined at 450 to VP ,draw the top & front views when one of its sides is

perpendicular to HP

16. A equilateral triangular lamina of 30mm sides lies with one its edges on HP

such that the surface of the lamina is inclined to the HP at 600 draw the

projections .

17. A Circular lamina of 50mm diameter rests on HP such that a surface of the

lamina is inclined at 300 HP ,draw the projections


Prerequisites: Knowledge of Basic Work Shop Fitting-1

Course Objectives: Understand the Basic Fitting Operations


1 Know the safety precaution in the Fitting workshop

2 Understand different tools & equipments

3 Practice marking, punching, Cutting & Filing operations.

Fitting Practices:

1 Know the safety precaution in the Fitting workshop

2 Demonstration and use of different Fitting Tools to carry out Fitting operation.

3 Marking & Punching as per given sketch

4 Cutting, Filing, drilling and Finishing as per sketch

Note: Students should do minimum of 04 models and submit it for evaluation

References:

1. Ramesh Babu.V., “Engineering Practices Laboratory Manual”, VRB Publishers Private

Limited, Chennai, Revised Edition, 2013 – 2014.

2. Jeyachandran.K., Natarajan.S. and Balasubramanian.S., “A Primer on Engineering Practices

Laboratory”, Anuradha Publications, 2007.

3. Bawa.H.S., “Workshop Practice”, Tata McGraw Hill Publishing Company Limited, 2007.

.


Sl. no. Performance Max. Marks

1 Listing of tools and operations. 05

2 Marking & Punching 05

3 Performing of basic operations. 20

4 Finishing 10

5 Viva 05

6 Practical Record 05

Total 50

Course Title: Work Shop Fitting-1 Course: JTS (IX std)

periods (L:T:P) : 0:2:4 :: L-Lecture, T-Tutorial, P-

Practical.



Model Question Bank

Work Shop Fitting – 1

Marks: 50

1) Prepare a Model as per the given sketch

Note: Only one Part (Male or Female) shown in the sketch has to be prepared by a

Individual student in the Examination


List of Equipment (Fitting Shop)

Sl. No List of Equipment(Fitting Shop) Numbers Required as per

norms

1. Flat file 14″ rough bastard file 20

2. Try square 6″ 20

3. Triangular file 10″ rough 20

4. Half round file 10″ rough 20

5. Hack saw frame -solid 12″ 20

6. Center punch 20

7. Ball peen hammer 11/2 Lbs 20

8. Flat chisel 6″ 20

9. Smooth file 10″ flat 20

10. Bench vice 8″ 30

11. Leg vice 6″ 10

12. Power hack saw 01

13. Bench grinding 01

14. Bench drilling machine up to 12mm cap 01

15. Drill bit up to 12mm straight shank 04

16. Tap set and die set up to 1″ 01

17. Vernier calliper 10

18. Spring divider 20

19. Steel scale 20

20. Vernier height gauge 01

21. Surface plate 2x3 feet 02

22. Number punch 01

23. Anvil 05

24. V block 02


Prerequisites: Basic Work shop Carpentry-1

Course Objectives: Understand the Basic Carpentry Operations


1. Know the safety precaution in the Carpentry workshop

2. Know the different types of woods and its defects

3. Understand and use various tools in carpentry

4. Practice marking, Sawing, Planning, Cutting & joints like Dovetail halving joint, mortise &

Tenon joint

Carpentry Practices:

1 Understand the different types of woods

2 Know the various defects in wood

3 Study the joints in roofs, doors, windows and furniture available in Carpentry workshop

4 Know and use different tools to carry out wood working operations

5 Practice marking, Sawing, Planning & Cutting operations

6 Practice on Wood working joints like Dovetail halving joint, mortise & Tenon joint

Note Students should do minimum of 04 models and submit it for evaluation

References






Scheme of valuation



2 Marking & Punching 05


4 Finishing 10

5 Viva 05


Total 50

Course Title: Work Shop Carpentry-1 Course: JTS (IX std )

Periods (L:T:P) : 0:2:4 :: L-Lecture, T-Tutorial, P-

Practical.




Work Shop Carpentry - 1

Time: 3 hours Marks: 25

Note: Only one Part (Male or Female) shown in the sketch has to be prepared by a

Individual Student in the Examination


List of equipment & Tools (Carpentry Shop)

Sl.

No

List of equipment & Tools (Carpentry Shop)

Numbers Required

as per norms

1. Carpenter bench vice 20

2. G or C clamp 6″ 20

3. Marking gauge 20

4. Try square 19mmx4″ 20

5. Wooden mallet 20

6. Firmer chisel 2″ 20

7. Firmer chisel 3/4″ 20

8. Mortise chisel 1/2″ 20

9. Metal jack plane 9″ 20

10. Bevelled square 6″ 20

11. Hand saw or cross cut saw 20

12. Steel scale 12″ 20

.


Pre-requisites: Knowledge of Machine Tools

Course Objectives: To understand the Constructional features of Lathe, its accessories and

Operations


1. Understand the Constructional features of Lathe, its accessories And Operations

2. Work on Lathe and perform Plane Turning and Step Turning

Lathe Practices:

1 Study the Constructional features of Lathe and its accessories

2 Know and use different tools to carry out turning operations

3 Perform Facing operation as per given sketch

3. Perform plain turning operation as per given sketch

4. Perform step turning operation as per given sketch

References






.





4 Finishing 10

5 Viva 05


Total 50

Course Title: Work Shop ( Machine shop-1) Course: JTS (IX std )

periods (L:T:P) : 0:2:4:: L-Lecture, T-Tutorial, P-

Practical.

Total Contact periods: 168


List of Tools Required

1. Canter Lathe With attachments 20

2. Cutting Tools Set 20

3. Power hacksaw 01

4. Surface Grinding Machine 01

5. Cylindrical Grinding Machine 01

6. Vanier Callipers 20

7. Outside Calliper 20 .



Work Shop (Machine shop-1)

Time: 3 hours Marks: 50

1. Prepare a model involving Facing , Plain Turning and Step Turning as per given sketch,


Pre-requisites: Knowledge basic Electrical and Electronics

Course Objective:

The objective of the laboratory course is to identify the various tools, wires, electrical fittings,

measuring instruments, resistors and diode. Wire-up various Electrical wiring circuits, prepare

wiring joints and measurement of electrical parameters like voltage, current, resistance, power

and electrical energy.

Course Outcomes: After completion of the course the student should be able to

i. Identify different types of wiring tools and different types of wires.

ii. Connect different electrical meters.

iii. Prepare different types of joints.

iv. Rig-up various wiring circuits and test the same.

v. Understand Ohm’s Law.

List of Graded Exercises:

1. Study and identification of different types of insulated wires conductors insulators,

electrical fittings and safety devices.

2. Identification and use of different types of tools in wiring system, study of wire gauge.

3. Identification, connection and uses of ammeter, voltmeter, wattmeter, energy meter and

speedometer.

4. Preparation of a straight joint.

5. Preparation of a T-joint.

6. Preparation of a Western-union joint.

7. Wire-up a circuit in a PVC Conduit system to control a lamp from a single point.

8. Wire-up a circuit to control two lamps in series in PVC conduit system.

9. Wire-up a circuit to control two lamps in parallel in PVC conduit system.

10. Wire-up circuit to control two lamps in series and a lamp in parallel in PVC conduit

system.

11. Wire-up a circuit to control two lamps independently.

12. Construct a suitable circuit to verify Ohm’s Law.

13. Construct a circuit to find the resistance of an unknown resistance using ammeter and

voltmeter.

14. Construct a circuit to find the d.c. power using ammeter and voltmeter.

15. Construct a circuit to measure electrical energy using an energy meter.

16. Identification of resistor value using colour code.

References:

a. Experiments in Basic Electrical Engg.- S.K. Bhattacharya.

Course Title: Electrical and Electronics Laboratory-1 Course: JTS (IX std )

Periods (L:T:P) : 0:2:4 :: L-Lecture, T-Tutorial, P-

Practical.

Total Contact periods: 168


b. Electrical Experiments- S.L. Uppal.

Scheme of evaluation

Sl.No. Content Marks

1. Practical Record 05

2. Circuit diagram and Procedure 10

3. Conduction and result 15

4. Wire Joints 10

5. Viva-voce 10

Total 50


Model Question Bank

Electrical and Electronics Laboratory-1

1. Prepare a straight joint by using PVC 3/20 copper wire.

2. Prepare a T - joint by using PVC 7/20 copper wire.

3. Prepare a Western union joint by using bare conductors.

4. Rig-up and test the wiring of a lamp controlled from one place.

5. Construct a circuit to control two lamps in series.

6. Conduct an experiment to control two lamps in parallel from one point.

7. Rig-up and test the wiring circuit to control two lamps independently.

8. Wire-up a circuit to control two lamps in series and one lamp in parallel from one

place.

9. Conduct an experiment to verify Ohm’s Law.

10. Conduct an experiment to find the resistance of a given unknown resistance.

11. Conduct an experiment to find the dc power by using ammeter and voltmeter.

12. Conduct an experiment to measure single-phase energy in KWh by using single-phase

energy meter.

Documents

Course Title: Elements of Mechanical & Electrical ... syllabus/JTS IX Std.pdf · Elements of Electrical Engineering Unit -1 Concept of Electricity: Introduction to electricity, advantages