A.a spindle lubricator
B.an oil jet
C.internal splashing
D.drilled passages in the crankshaft
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A.the same, whether at sea, or during maneuvering
B.adjusted during each hour of operation while at constant RPM
C.higher at sea than while maneuvering
D.lower at sea than while maneuvering
A.improve fuel economy
B.increase the air charge velocity
C.reduce the risk of explosion
D.all of the above
A.Increased suction head pressure
B.Decreased feedwater temperature
C.Pump recirculating line being open too much
D.Excessive feedwater temperature
A.The safety valve escape piping should be disconnected from the valve body and a blank inserted
B.The boiler vent valves should be opened
C.All handhole/manhole covers should be tightened up as much as possible to preclude any leaks
D.All of the above
A.salinity is abnormally high
B.steam demand is too high
C.water level is abnormally low
D.feedwater flow is low
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Lube oil cannot be efficiently filtered if its （）.
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If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
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