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单选题
Routine monitoring of a diesel engine should include （）.
A
checking for leaks
B
checking temperatures and pressures
C
listening for abnormal noises
D
all of the above
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scavenge air pressureC
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increase the fuel rack settingD
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单选题The cooling water of the diesel engine should be treated, because it has（）A
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单选题If a diesel engine has been stopped because of piston seizure due to severe overheating, the crankcase（）A
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keeping the terminals cleanB
coating cable connections with petroleum jellyC
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单选题A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.A
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cetane numberB
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单选题What monitoring device best indicates the load being carried by a diesel engine?（）A
Lube oil pressure gaugeB
Jacket water temperature gaugeC
TachometerD
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考题
单选题When monitoring diesel engine performance, the most useful instrument to use is the （）A
dwell-tachometerB
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