A.Piston wrist pin bushing
B.turbine bearing
C.Spring bearing
D.Diesel engine main bearing
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A.higher firing pressure
B.more power output
C.lower fuel pressure
D.less power output
A.The chromium will not wear out the piston rings
B.The chromium strengthens the liners in the way of the scavenging air ports
C.Chromium eliminates the need for oil scraper rings
D.Pores in the plating aid in maintaining the lube oil film
A.decrease until the engine speed increases
B.increase as the load increases
C.decrease as the load
D.increases remain unchanged
A.SOLAS
B.MARPOL
C.STCW
D.Ballast Water convention
A.Lube oil is diluted and its viscosity is reduced
B.Sulfuric acid is formed
C.Bearings become pitted ad immediately fail
D.Valve stems develop sludge deposits
最新試題
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
To proceed to the assistance of a ship in distress is（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
If separating effect is not good, which measure should be taken （）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
The main purpose of port State control is not to（）