1       WHAT IS TRANSMISSION? The mechanism that transmits the power developed by the engine of the automobile to the driving wheel is called the transmission system. Main components are: Engine: Clutch Gearbox Differential   WHAT IS CLUTCH? Clutch is a device which is used to transmit power from one shaft to another. It connects a shaft on which it mounted to another shaft which is in motion. Clutches are generally used in automobile to transmit power from engine to the driving wheels. In cars it transmit power from the flywheel connected to the engine shaft to the clutch shaft, And from clutch shaft it is transmitted to the rear wheels through gear shaft, propeller shaft and differential.   Requirements of a good clutch Gradual engagement : The clutches should