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Automobile Engineering in ME

Automobile Engineering in ME
The piston compression rings are made of

Steel
Bronze
Aluminium
Cast iron

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Automobile Engineering in ME
If the air-fuel mixture in a spark ignition engine is too rich, then air-fuel ratio is about

0.62569444444444
0.70902777777778
0.54236111111111
0.41736111111111

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Automobile Engineering in ME
In Diesel engines, the duration between the time of injection and the time of ignition is called

Injection period
Ignition period
Spill cut-off
Delay period

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

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

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Automobile Engineering in ME
With the increase of battery temperature, the specific gravity of electrolyte

Increases
Decreases
None of the listed here
Remains the same

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Automobile Engineering in ME
The negative plates of a lead acid battery has

Lead peroxide (PbO₂)
Lead sulphate (PbSO₄)
Sulphuric acid (H₂SO₄)
Spongy lead (Pb)

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MORE MCQ ON Automobile Engineering in ME

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