Automobile Engineering in ME
In a four speed four stroke Diesel engine, the intake valve

opens at 20° before T.D.C. and closes at 35° after B.D.C.
not listed here
opens at T.D.C. and closes at B.D.C.
opens at 10° after T.D.C. and closes at 20° before B.D.C.

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Automobile Engineering in ME
The starting system includes

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

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