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High diesel engine cooling water temperatures can be caused by _____.A.a worn water pumpB.
High diesel engine cooling water temperatures can be caused by _____.
A.a worn water pump
B.not enough coolant
C.air in the cooling system
D.all of the above
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High diesel engine cooling water temperatures can be caused by _____.
A.a worn water pump
B.not enough coolant
C.air in the cooling system
D.all of the above
第1题
A.maintain alignment when the ship’s hull is working in heavy seas
B.ensure engine vibrations correspond to the natural frequency of the hull
C.permit the engine to expand away from the driven equipment as the engine heats up and expands
D.maintain engine thrust bearing clearances
第2题
A.in such cases, the air supply is no longer optimal, the thermal load will be higher
B.governor hunting will occur
C.torsional vibrations as other mechanical vibrations may occur
D.all of the above are correct
第3题
A.charge air receiver
B.scavenging air belt
C.turbine
D.air cooler
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