Question: Pick out the correct statement.
Options
A : Compression ratio of an Otto engine is comparatively higher than a diesel engine.
B : Efficiency of an Otto engine is higher than that of a diesel engine for the same compression ratio.
C : Otto engine efficiency decreases with the rise in compression ratio, due to decrease in work produced per quantity of heat.
D : Diesel engine normally operates at lower compression ratio than an Otto engine for an equal output of work.
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