A．by using of fresh water
B．with compressed air
C．by using of sea water
D．with chemical compound
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A.top of the ring groove
B.cylinder liner oil film
C.bottom of the ring groove
D.back of the ring groove
A.One
B.Two
C.Four
D.Eight
A.temperature
B.pressure
C.engine speed
D.all of the above
A.Prevents lateral movement of the slow speed gear
B.Transmits propeller thrust to the hull
C.Keeps spring bearings in line
D.Prevents main reduction gear axial movement
A.wheelhouse control station
B.engine room control station
C.captains office
D.chief engineers office
A.reduce the engine load
B.increase the cooling water flow
C.increase the lube oil pressure
D.adjust the fuel rack
A.at any time
B.only after the engine room control station is switched to “bridge control”
C.whenever the secondary station is switched to "bridge control"
D.with the approval of the chief engineer only
A.at TDC
B.before TDC
C.after TDC
D.during air starting
A.checking for leaks
B.checking temperatures and pressures
C.listening for abnormal noises
D.all of the above
A.excessive fuel penetration
B.prolonged injection lag
C.reduced ignition lag
D.prolonged ignition lag
最新試題
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The main purpose of the piston oil scraper rings is to （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
What is the function of the thrust bearing?（）
An automated diesel engine should normally shut down due to （）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.