Automobile Engineering in ME
The rigid suspension is beneficial when

It is desired to reduce the unsprung mass
It is desired to have more flexibility in design
Large changes in load make it necessary to have a large suspension stroke
It is desired to improve tyre to ground contact characteristics

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Automobile Engineering in ME
The main task of a battery in automobiles is to

Supply electricity to the vehicle's electrical system at all times while the engine is running
Act as a reservoir or stabilizer of electricity
Supply electricity to the alternator
Supply a large amount of power to turn the starter motor when the engine is being started

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