A.the bilges
B.the periscope
C.the water level
D.the oil pressure
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A.excess stresses will not be set up in the boiler
B.the decks will not be covered with soot
C.the soot will be swept toward the uptakes
D.there will not be a loss of steam pressure
A.bottom-blow valve
B.skin valve
C.feed-check valve
D.feed-stop valve
A.a system with a Hydraulic Power Supply (HPS) unit
B.a system with roller guides for exhaust valves
C.a system with an electronically controlled Alpha Lubricator
D.a system directly powered by electric motor
A.Lower fuel consumption
B.Better balanced cylinder power
C.A shorter overhaul period
D.Less smoke emission
A.too low
B.a little lower
C.a little higher
D.exactly the same
最新試題
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The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
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（） is not installed on the main switchboar.
Using a file without a handle may result in （）
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The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）