A.cylinder head cracks
B.piping joints
C.pump leaking
D.all of the above
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A.reduce the ring groove wear rate
B.seal against crankcase vapors
C.lessen the wear on aluminum part of the cylinder
D.allow for the greater expansion rate of aluminum
A.a leaking fuel injector nozzle
B.a clogged air filter
C.excessively early fuel injection
D.malfunctioning valves
A.An alarm device with audible and visible signals is required for all cooling water systems
B.Propulsion engines with bores over 200 mm are to be fitted with cooling water jackets
C.Each totally enclosed cooling system shall be provided with a suitable head tank
D.Drain cocks are to be provided at the lowest points of all cylinder water jackets
A.turbocharger efficiency
B.engine power output
C.carbon deposits on fuel injectors
D.cylinder scavenging
A.holed
B.fouled
C.clean
D.dry
最新試題
Diesel engine air start system check valves are opened by （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The shipboard oil pollution emergency plan will be invalid after （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
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（）
The condensers located in various stages of a flash evaporator are cooled by（）
The main purpose of port State control is not to（）