Compression ratio for petrol engines varies from 6 to 10.

Higher compression ratio in diesel engines results in higher pressures.

Petrol engines work on Otto cycle.

all of the above

four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. Engine

four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. Engine

four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. Engine

two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. Engine

Right

Wrong

Right

Wrong

homogeneous

hetrogeneous

zero

none of these