Excessive mechanical and pulsating vibrations developed in a main propulsion diesel engine may be more likely to cause damage to an attached __________.

Question

Accepted Answer

gas driven turbocharger because it has a wide speed range, high operating temperatures and close tolerances.

Answer

scavenged air pump because it is designed for steady state operation rather than pulsating gas load

Answer

reciprocating scavenge pump because of its direct linkage to the crankshaft

Answer

centrifugal cooling water pump because of the close tolerances required between the impeller rim and the volute

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