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单选题
The pressure differential across a diesel engine lube oil system duplex filter should be checked to （）
A
determine the need for filter cleaning
B
measure any change in oil viscosity
C
prevent damage to the filter
D
determine the need for batch filtration
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The pressure differential across a diesel engine lube oil system duplex filter should be checked to ________.A.determine the need for filter cleaningB.measure any change in oil viscosityC.prevent damage to the filterD.determine the need for batch filtration
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考题
单选题To determine if the lube oil filter elements need changing, （）.A
open the filter and inspect the elementsB
check the lube oil pump discharge pressureC
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check the pressure drop across the filter
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Dirty lube oil filterB
Too much piston ring wearC
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单选题In a bypass type lubrication system for a diesel engine, the dirty oil line to the centrifuge should be taken from the （）.A
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lube oil pump discharge lineC
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outlet from the lube oil header
考题
单选题Fuel oil contamination of an auxiliary diesel engine lube oil can result in（）A
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单选题Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.A
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单选题Which of the following conditions can cause excessive lube oil consumption in a diesel engine?（）A
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Dirty lube oil strainerC
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Water discharging from the water outlet of the lube oil purifierB
Fuel oil discharging from the water outlet of the lube oil purifierC
Lube oil discharging from the water outlet of the lube oil purifierD
A change in the lube oil viscosity
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考题
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check for proper lube oil pressure
考题
单选题An automated diesel engine should normally shut down due to （）A
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考题
单选题Which condition indicates the air side fouling of an after-cooler on a turbocharged diesel engine?（）A
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考题
单选题The pressure differential across a diesel engine lube oil system duplex filter should be checked to （）A
determine the need for filter cleaningB
measure any change in oil viscosityC
prevent damage to the filterD
determine the need for batch filtration
考题
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考题
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单选题Which of the listed failures, occurring in an automated diesel generator system, should cause an audible alarm at the engine room control station?（）A
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