Automobile Engineering in ME
The starting system includes

A battery, a distributor, and an ignition switch
A distributor, a starter, and an ignition switch
A battery, a starter, and an ignition switch
A battery, a starter, and a distributor

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Automobile Engineering in ME
The compression ratio in petrol engine is kept less than in Diesel engine because

It is just customary to have less compression ratio in petrol engines
It makes petrol engines lighter
Less compression ratio gives better performance
Higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition

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