A.reciprocating motion of exhaust valves
B.rotary motion of the camshaft
C.reciprocating motion of the piston
D.developed differential
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A.dilutes the lube oil and reduces its viscosity
B.forms sulfuric acid in the lube oil
C.causes pitting and failure of the bearings
D.causes sludge deposits on valve stems
A.To provide accessibility to the cylinder liners
B.To add stability to the engine block
C.To add rigidity to the block and a surface for attaching other parts
D.To make a surface for the base
A.temperature of the exhaust gases
B.energy supplied to the turbocharger
C.air pressure to the intake manifold
D.purge of exhausted gases from the cylinders
A.increase in engine speed
B.increase in cylinder turbulence
C.leaking needle valve
D.reduction in cylinder turbulence
A.check the air filter for dirt
B.check for an exhaust leak
C.check the cooling water temperature
D.notify the bridge that you are going to shut the engine down
最新試題
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Cold weather starting of a diesel engine may be made easier by（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
To proceed to the assistance of a ship in distress is（）
Diesel engine air start system check valves are opened by （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which of the following items don’t belong to dock repair works?（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
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.