Question

Which of the following is the need of the gearbox?

(a) To vary the speed of the vehicle

(b) To vary the torque of the vehicle

(c) To vary the power of the vehicle

(d) To vary the acceleration of the vehicle

This question was posed to me in a job interview.

Question is taken from Transmission System topic in chapter Chassis & Transmission System of Automobile Engineering

Answer 1

The correct option is (b) To vary the torque of the vehicle

For explanation I would say: The purpose of the gearbox is to give means so that the torque can be varied as required between the engine and the road wheels.