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
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.
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Diesel engine air start system check valves are opened by （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Under MARPOL Code the ship to which it applies has to carry （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）