1

What is meant by self-propeller vehicle?

2

State the major types of automobiles according to the fuel used.

3

What are the functions of a frame?

4

What loads are coming to axle?

5

List any four components of a chassis.

6

What is meant by the term Chassis?

7

List any four characteristics of a good chassis.

8

Express the type of loads coming to axle.

9

Describe the various types of frames.

10

Describe the purpose of IC Engines.

11

Describe about cross wind force.

12

Name few components of engine.

13

What are the functions of piston rings? Types?

14

What are the functions of Turbo chargers?

15

What is super charging?

16

Define lift force.

17

Express about Vehicle Aerodynamics?

18

What is the use of air filters?

19

How does the oil filter work?

20

What are the signs that your fuel filter is bad?

PART-B (Ten Marks Questions)

1

Draw the layout of an automobile and indicate the various components.

2

Describe the various chassis components of automobiles and discuss the advantages and disadvantages.

3

Explain the construction of various frames used in automobiles with neat sketch

4

Explain the various types of engine drives of automobiles and mention the merits and demerits of each drive

5

explain the various forces acting on the body and its aerodynamics affects

6

Classification of a vehicle chassis is based on the position of the engine on the chassis

7

Explain in detail about the various components of engine with neat sketches.

8

Explain the working principle of turbo charger with neat sketch.

9

Explain the working principle of super charger with neat sketch.

10

Explain the following filters briefly.

(i)             Air filter

(ii)            Oil fitter

(iii)          fuel filter

1

State the functions of transmission system.

BT1

2

What is the function of clutch?

BT1

3

What are the types of clutch?

BT1

8

Why is gear box necessary in automobile?

BT1

9

Give the function of a flywheel?

BT1

10

What is an over drive?

BT1

11

What is a universal joint? What are its types?

BT1

12

State the functions of a slip joint.

BT1

13

Explain the transfer box and its function?

BT1

14

What is the function of differential unit?

BT1

15

What is meant by differential lock?

BT1

16

Why is double clutching technique used?

BT1

17

Discuss the function of Universal joint?

BT1

18

List out the various function of propeller shaft.

BT1

19

Compare Hotchkiss drive and Torque Tube drive?

BT2

20

List down the types of liver rear axles.

BT1

PART-B (Ten Marks Questions)

1

Explain the working principle of single plate clutch and multi plate with neat sketch.

BT2

2

Explain the working principle of cone clutch with neat sketch.

BT2

3

Explain the centrifugal clutch and semi-centrifugal clutch with neat sketch

BT2

4

Describe the working principle of fluid fly wheel with the help of a sketch

BT2

5

Illustrate the operation of a

(i)             sliding mesh gearbox

(ii)            constant mesh gearbox

(iii)          synchromesh gearbox

BT2

6

Explain the working of Epi-cyclic gear box with neat sketch

BT2

7

Explain the working of a Torque converter with suitable diagram.

BT2

8

Explain the working of Constant velocity universal joint.

BT2

9

Describe the construction and working of an over drive with a neat sketch and list out its advantages.

BT2

10

Explain the principle and working of a differential with a neat sketch.

BT2

11

Explain the types of rear axle drive with suitable sketch.

BT2

12

Explain in detail with neat sketches about Hotchkiss drive and torque tube drive

BT2

13

Explain in detail with neat sketches about final drive gears.

BT2

UNIT III –Steering Systems

PART-A (Two Marks Questions)

1

Define wheel track and wheel base

BT1

2

Give a brief note on damper.

BT1

3

Define steering gear.

BT1

13

Define toe-in and toe-out.

BT1

14

Define castor and camber.

BT1

15

Define king pin inclination.

BT1

17

List out the types of stub axle.

BT1

18

What is the Ackermann principle of steering?

BT1

19

What is center point steering?

BT1

20

What is slip angle in steering?

BT1

PART-B (Ten Marks Questions)

1

Discuss in detail about the different types of wheels and tires with respect to construction, advantages and disadvantages.

BT2

2

Explain the different types of stub axle with neat sketch.

BT2

3

Explain the wheel alignment, factors of wheel alignment and factors pertaining to wheels with neat sketch.

BT2

4

Sketch and explain various steering geometries.

BT2

5

Sketch and explain steering mechanism. Deduce an expression for true rolling of a steering wheel.

BT2

6

vehicle handling

BT2

7

Explain the steering linkage with suitable sketch.

BT2

8

What are the different types of steering gears? What is the purpose of steering gear? Explain with sketch of steering gears.

BT2

9

Explain the power steering system with neat sketch

BT2

10

Discuss the various troubles shooting in steering system.

BT2

UNIT IV Suspension and Braking Systems

PART-A (Two Marks Questions)

1

What are Objectives of vehicle Suspension System?

BT1

2

What are the Difference between Pitch, Roll, and Yaw?

BT1

3

What is meant by unsprung weight?

BT1

4

What is the function of shackle with a leaf spring?

BT1

5

What is the material used for leaf spring?

BT1

6

What forces are supported by a leaf spring?

BT1

7

State the advantages of a tapered leaf spring.

BT1

8

What is rigid axle suspension system?

BT1

9

What are the advantages of an independent suspension system over a rigid axle suspension?

BT1

10

What is the purpose of a shock absorber?

BT1

11

How do shock absorbers work?

BT1

12

What are the symptoms of bad shock absorbers?

BT1

13

Write its advantages and disadvantages of disc brake.

BT1

PART-B (Ten Marks Questions)

1

Explain in detail about suspension system with neat sketches.

BT2

2

Sketch and explain the working of torsion bar.

BT2

3

Explain the operation of a telescopic type shock absorber with a sketch.

BT2

4

Describe the working of front independent suspension system with neat sketch.

BT2

5

Explain the working air suspension system with neat sketch.

BT2

6

Describe the mechanical brake system with neat sketch.

BT2

7

Explain the working principles of hydraulic brake system with neat sketch

BT2

8

Explain the pneumatic or air brakes with neat sketch.

BT2

9

Sketch and explain the vacuum brake system.

BT2

10

Explain the anti-lock braking system with suitable sketch.

BT2

11

What is EBD (electronic brake force distribution) and how does it work?

BT2

12

Explain the traction control with suitable sketch.

BT2

UNIT V

PART-A (Two Marks Questions)

1

What are the alternative fuels?

BT1

2

List the advantages of hydrogen fuel used in automobiles.

BT1

3

What are the disadvantages of using alcohol as an alternative fuel?

BT1

4

How does the charging system work?

BT1

5

How does alternator charge the battery?

BT1

6

What causes charging system failure?

BT1

7

What are the symptoms of a bad alternator?

BT1

8

What is a voltage regulator and how does it work?

BT1

9

What is the need for voltage regulator?

BT1

10

What is the function of voltage regulator?

BT1

11

How does the starting system work?

BT1

12

What is the purpose of the starting system?

BT1

13

What are the main components of the starting system?

BT1

14

What is the purpose of the starting motor?

BT1

15

What are the components in the charging system?

BT1

16

What is bendix drive?

BT1

17

How solenoid does switch work?

BT1

18

What is the working principle of solenoid?

BT1

19

What are the symptoms of a bad starter solenoid?

BT1

20

What is the purpose of lighting?

BT1

21

What are the different types of lighting systems?

BT1

22

How does a horn system work?

BT1

PART-B (Ten Marks Questions)

1

Explain in detail about of engine emissions and emission standards.

BT2

2

Classify the different types of emission control device with suitable sketch.(Any two)

BT2

3

Explain the working of multi point fuel injection system for SI engines.

BT2

4

Explain the working of common rail fuel injection system for SI engines.

BT2

5

Explain the following alternative fuels

(iv)            Hydrogen

(v)              Bio mass

(vi)            Alcohols

(vii)           LPG

(viii)         CNG

BT2

6

Explain about Charging circuit ,Starting system in an automobile

BT2

7

Describe the mechanism of solenoid switch with neat sketch

BT2

8

Describe the working of a standard bendix drive used in starter motors.

BT2

9

Explain in detail about Lighting system

BT2

10

Explain the function and working of following electrical system.

(ix)           Horn

(x)            Wiper

(xi)           Fuel gauge

(xii)         Oil pressure gauge

(xiii)        Engine temperature indicator

BT2

11

Explain the working of engine management system.

BT2