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单选题
Waste oil from the lube oil sumps of machinery may NOT be （）.
A
drained into the vessels bilges
B
reclaimed for other uses
C
held in a slop tank
D
purified and then reused
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have the lube oil burntD
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单选题A lube oil sample taken from the main engine lube oil system has dark yellow opaque color.This is the result of （）A
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单选题Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）.A
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单选题Main propulsion engine lube oil sumps should be constructed （）A
so as to never be integral lubeB
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单选题Excessive piston ring wear in a diesel engine will cause（）A
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单选题Waste oil from the lube oil sumps of machinery may NOT be （）.A
drained into the vessels bilgesB
reclaimed for other usesC
held in a slop tankD
purified and then reused
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Clogged oil pump suction screensB
Increased oil operating temperaturesC
Sticking piston ringsD
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单选题Which of the following faults would allow lube oil to enter the cooling system of a diesel engine?（）A
Excessive valve train lubricationB
Leaking standby oil cooler coreC
Excessive lube oil pressureD
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