海船船员考试
单选题How dose water enter the crankcase of a diesel engine?（）A Through the crankcase exhausterB As water vapor contained in blow-byC Demulsifying lube oil passing through the main bearingsD Condensation from vapor formed in the expansion tank
题目
Through the crankcase exhauster
As water vapor contained in blow-by
Demulsifying lube oil passing through the main bearings
Condensation from vapor formed in the expansion tank
参考答案和解析
相似问题和答案
第1题：
How does combustion air enter the cylinder of a two-cycle diesel engine ? Through _______．
A.Cylinder head valves
B.Ports
C.Turbo chargers
D.Bleeder valves
第2题：
a cracked cylinder liner
excessive water in the fuel
a leaking intercooler
excessive moisture in the scavenge air
第3题：
How to pump out bilge water in the engine room?
第4题：
fuel pumps
cylinders
fuel strainers
all of above
第5题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine jacket water
第6题：
stop the engine immediately to prevent damage
increase lube oil pressure
slow the engine allowing it to gradually cool
decrease the cooling water it temperature to the water jacket
第7题：
check the pyrometer readings
check the crankcase oil level
check the fuel oil strainers
clean the fuel system
第8题：
A sudden power loss from a turbocharged and after-cooled diesel engine is an indication of a/an
A.turbocharger malfunction or failure
B.crankcase exhauster overload
C.overload on the intercooler
D.obstruction in the engine cylinders
第9题：
excessive crankcase pressure
excessive lube oil temperature
contamination of the lube oil by water
contamination of the cooling water by lube oil
第10题：
Cooling water is alkalescence
cooling water is acidity
cooling water has salinity
cooling water has impurity