A.a leaking fuel injector nozzle
B.a clogged air filter
C.excessively early fuel injection
D.malfunctioning valves
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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
A.radiated through the engine block
B.transferred to water cooled cylinder walls
C.conducted through the piston crown
D.transferred to escaping exhaust gases
A.the elimination of valve wear
B.improved atomization
C.a decrease in cylinder blow-by
D.an increase in cylinder blow-by
A.supercharging
B.scavenging
C.turbulence
D.swept volume charging
A.Each engine must have its own engine driven cooling water pump capable of providing cooling for all ranges of operation
B.propulsion engines with bores exceeding 200 mm are to be fitted with a means to display the cooling water temperature of each cylinder
C.At least two independent sea suctions are to be provided for supplying water to the engine jackets or to the heat exchangers
D.Suitable strain are to be fitted between the circulating pumps and heat exchangers when sea water is used for direct cooling
A.a clogged filter element
B.excessive lube oil pump discharge pressure
C.excessive lube oil flow
D.excessively hot lube oil
A.improper venting of the cooling system
B.carrying the expansion tank water level too high
C.a totally clogged impeller in the cooling water pump
D.an incorrectly set cooling system temperature control
A.crankcase
B.low lube oil temperature
C.excessive oil consumption
D.low bearing oil pressure
最新试题
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() is not installed on the main switchboar.
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