Telescopic pipes which are attached to water cooled pistons of large, slow-speed, main propulsion diesel engines are designed to ________.

Question

Accepted Answer

allow piston cooling water to efficiently enter the piston despite its reciprocating piston motion without contaminating the engine lube oil

Answer

overcome excessive crankcase pressure

Answer

prevent excessive lube oil temperature

Answer

prevent contamination of the cylinder cooling water with engine lube oil

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