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What is the correct answer?

4

Compression ratio of I.C. Engines is

A. The ratio of volumes of air in cylinder before compression stroke and after compression stroke

B. Volume displaced by piston per stroke and clearance volume in cylinder

C. Ratio of pressure after compression and before compression

D. Swept volume/cylinder volume

Correct Answer :

A. The ratio of volumes of air in cylinder before compression stroke and after compression stroke


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