Automobile Engineering - Mechanical Engineering (Semester 8)

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teamques10 ★ 69k

1. With the help of neat sketch explain in brief:

(a) Drum Brakes

(b) Tandem Master Cylinder

(d) Hydraulic Torque Converter

2. Write a short note on:

(a) ABS

(b) ZEBRA

(d) Overdrive

3. (a) With the help of neat sketch explain Rack and Pinion Steering Gear.

(b) Discuss factors affecting tyre life.

4. (a) What is the necessary of gear box? Explain the working of Constant Mesh Gear Box.

(b) Explain with sketch Wishbone suspensions used in cars, with its advantages.

5. (a) Explain in detail the working of ECM in a vehicle

(b) Discuss the electrical System.

6. (a) Discuss: Open, Semi Integral and Integral Structures.

(b) What is Battery Ratings?

7. Write short note on any on following (any four)

(a) Under-steer and Over-steer

(b) Sprung and un-sprung mass.

(d) Overrunning clutch.

(e) Anti lock braking system.

(f) Overdrives.

8. (a) Explain various materials used for body construction.

(b) What are the requirements of starting motors? Explain Bendix and Folo-through drive.

9. (a) What are the objectives of suspension? Explain any two types of suspension systems in detail.

(b) Explain lead acid battery in detail with its maintenance and testing.

10. (a) Write neat diagram explain construction and working of Telescopic type shock absorber.

(b) Classify gear box and explain sliding mesh gear box with diagram.

11. (a) Stating importance of Vehicle Body Design, explain layouts of passenger bus.

(b) With neat diagram explain construction and working of Hydraulic brake.

12. Write short note on following: (any five)

(a) Hot wire and thin film air full flow sensor.

(b) Oxygen sensor.

(d) Methanol sensor.

(d) Position sensor.

(e) Rain sensor.

(f) Temperature sensor.

13. Write short note on following (any four)

(a) Stability of vehicle in context of weak wheels and tyres.

(b) Requirement of steering gears.

(d) New development in the sensor technology.

(e) Importance of vehicle body design.

14. (a) Explain open, Semi integral and integral bus structure.

(b) Explain the requirement of Starter motor, solenoids and switches.

15. (a) Explain Objective of shock absorber, with neat sketch explain telescopic shock absorber and its advantages.

(b) Explain maintenance, testing and advantages of ZEBRA battery.

16. (a) Explain requirement, types of wheels and tyres.

(b) Explain Double declutching in Gearbox. With neat sketch explain Constant mesh gear Box.

17. (a) Explain different types of front excel and their constructions.

(b) Explain some common break troubleshooting (at least 5) in vehicle, and how anti lock braking system (ABS) is essential nowadays.

18. Write short note on following (any four)

(a) Electronic Control Module (ECM)

(b) Rectification from AC to DC.

(d) Oxygen sensors.

(e) Aerodynamic forces acting on vehicle.

(f) Working and application of temperature sensors.

19. With the help of neat sketches explain in brief:

(a) ZEBRA Battery

(b) Understeer and oversteer

(d) Inflation pressure and its importance

20. (a) Classify Gear Box and explain Synchromesh gear box with neat sketch.

(b) Explain with sketch any two suspension systems used in cars.

21. (a) Stating the importanec of vehicle body design, explain layouts of passenger cars.

(b) Explain differential and what do you mean by Non-slip differential?

22. (a) With the help of diagram explain construction and working of Telescopic type of shock absorber.

(b) Describe Radial ply tyres and its advantages.

23. (a) What are the requirements of starting motors? Explain Dyer drive.

(b) What do you mean by steering geometry? Explain.

24. Write short note on following:

(a) Advanced sensor tehnology used in automobiles.

(b) Un sprung and sprung mass.

(d) Electronic control module.

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