Differentiate between constant mesh gear box over sliding mesh gear box.
Explain working principle of differential with neat sketch.
What is torque converter? What are the differences between torque converter and fluid coupling? Explain briefly.
What do you understand by overdrives? When to use on curves?
What is clutch? What are the functions of automobile clutch? Discuss any two types of clutch used in automobile?
Differentiate among manual, semi-automatic, and automatic transmission system.
State working of automatic transmission system.
Why differential is used in automobile? Show the working principle of differential with proper schematic diagram.
What is ignition system in automobile engine? State working of magneto ignition system.
What do you understand by ECU? How fuel injection system work? Draw the diagram of PFI system.
Write short notes on: (i) Fluid coupling (ii) Overdrive
Why clutch is used to change gears? How do you explain the change of gears due to resistance?
In modern automobiles synchromesh gear box is preferred over constant mesh gear box. Justify its application with suitable sketch.
Write short notes on (i) Epicyclic gear box, (ii) Torque converter, and (iii) Differential Mechanism.
What is the meaning of the letters by the gear selector lever in a car, such as P, R, N, D and S?
What do you understand by bleeding of a brake? Write the mechanism or way to stop an automatic transmission car, when brake would be failed.
What are the major differences between dc generator and alternator?
A car of mass 1000 kg1000\text{ kg}1000 kg is travelling at 45 kmph45\text{ kmph}45 kmph. Determine (i) the kinetic energy it possess, and (ii) the braking efficiency of a vehicle if the brakes bring the vehicle to rest from 60 kmph60\text{ kmph}60 kmph in a distance 121212 meters.
Draw the total resistance curve to vehicle in motion and explain how does gear change occur?
What is clutch? What are the functions of clutch? Describe the requirement of good clutch in automobile.
What is difference between an automobile transmission and a manual transmission? What are the purposes of an automatic transmission?
What are the advantages and disadvantages of hydraulic brake over mechanical brake? Discuss working principle of hydraulic brake with figure.
What is braking system? A Maruti Car moving at 80 kmph takes 32m to stop when the brakes are applied on it under standard test conditions. How much is its braking efficiency? Also determine the retardation produced during braking.
Why permanent speed reduction is necessary in automobile at final drive?
What do you mean by over drive, under drive and slip angle?