A.rotary；reciprocating
B.up and down；fore and aft
C.fore and aft；up and down
D.up and down；rotary
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A.camshaft
B.piston movement
C.exhaust valves
D.vertical drive
A.exhaust pressure
B.valve spring pressure
C.rocker arm movement
D.wrist pin movement
A.piston rod guides
B.engine thrust bearing
C.crosshead bearing
D.main shaft flexible coupling
A.opening the exhaust ports
B.placed on top of the engine along its centerline
C.farthest from the cylinder head
D.nearest to the cylinder head
A.Intake stroke
B.Compression stroke
C.Exhaust stroke
D.Pumping stroke
最新試題
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
To proceed to the assistance of a ship in distress is（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Cold weather starting of a diesel engine may be made easier by（）
The main purpose of port State control is not to（）
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.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）