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In a diesel engine with worn piston rings, which consequence results because incomplete combustion occurs?

A)Cylinder pressure suffers blow-by loss
B)Volumetric efficiency improves notably now
C)Fuel efficiency increases sharply upward
D)Exhaust temperature drops instantly lower

💡 Explanation

Cylinder pressure loss occurs as a result of worn piston rings due to blow-by mechanism, where combustion gases leak past the pistons, therefore reduces compression rather than increasing, because complete combustion cannot occur at its specification.

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