an engine-driven;as well
an engine-driven;has an independent pump
an independent;as well
an independent;has an engine-driven pump
第1题:
Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by
A.heat conduction into the injected fuel oil
B.heat conduction into the water jacket wall
C.water circulation through passages in the holder
D.fuel oil circulation through passages m the holder
第2题:
The main propulsion diesel engine jacket water temperature rises above normal, with the raw sea suction and the expansion tank water level being normal. Which of the following problems is most likely the cause?
A.Faulty thermostatic bypass valve
B.Eroded zinc pencils in the heat exchanger
C.Steam formation in the expansion tank
D.Excessive leakage from jacket water pump seals
第3题:
A.filtering
B.centrifuging
C.depositing
D.operating
第4题:
reduce heat radiation to the engine room
aid in preventing turbocharger overheating
condense and drain moisture from exhaust gases
dampen exhaust gas pulsations in the manifold
第5题:
low lube oil temperature
low lube oil pressure
high exhaust temperature
high cooling water pressure
第6题:
When using a fuel with a higher than normal sulfur content in an auxiliary four stroke diesel engine, you may
A.maintain higher than normal jacket water temperature
B.change the lube oil more frequently than normal
C.maintain a higher air-box temperature than normal
D.maintain a higher air-box pressure than normal
第7题:
辅助给水系统/应急给水系统 auxiliary feed water system/emergency feed water system
第8题:
If an auxiliary diesel engine coolant temperature is higher than normal, but the thermostat is determined not to be defective, you would suspect a/an
A.cavitation erosion in the water jackets
B.excess corrosion inhibitor in the coolant
C.dirty jacket water cooler
D.defective turbocharger
第9题:
The chief engineer
The second engineer
The third engineer
The fourth engineer
第10题:
High lube oil pressure
High jacket water pressure
High jacket water temperature
Low jacket water pressure