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单选题
Which of the following problems can cause fluctuating pressures in the closed cooling system of a main propulsion diesel engine?（）
A
Defective temperature controls in the system
B
Cavitation in the cooling water pump
C
Opened vent in the cooling system
D
Restricted water passages in the engine
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更多 “单选题Which of the following problems can cause fluctuating pressures in the closed cooling system of a main propulsion diesel engine?（）A Defective temperature controls in the systemB Cavitation in the cooling water pumpC Opened vent in the cooling systemD Restricted water passages in the engine” 相关考题
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单选题In a closed cooling water system, which of the problems can cause the water pressure to fluctuate?（）A
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clogged air filterB
compression strokeC
burned exhaust valvesD
all of the above
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correct timing of starting air valvesC
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Faulty turbocharger turbine diffuser ringB
Faulty turbocharger compressor ringC
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The suction strainer is cloggedC
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Carbon build up in the piston ring beltB
Faulty operation of a cylinder un-loaderC
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A corrupted or incorrect video driver is installed.C
An incorrect video card is installed in the computer.D
The video card is defective and needs to be replaced.
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