Which of the following conditions can ...

单项选择题Which of the following conditions can cause excessive lube oil consumption in a diesel engine?（）

A.Low lube oil temperature
B.Dirty lube oil strainer
C.Low lube oil pressure
D.High lube oil temperature

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1.单项选择题In the common rail system, excessive pressure in the header may be caused by （）

A.improper adjustment of the bypass valve
B.a dribble in the fuel injection nozzle
C.insufficient leak-off through injection nozzle packing
D.a malfunctioning injection nozzle

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2.单项选择题Diesel engine valve springs function to （）

A.hold the valves open
B.keep the valves off their seats until the exhaust stroke is completed
C.close the valves
D.open inlet valves when the air injection cycle begins

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3.单项选择题Worn diesel engine intake valve guides can result in （）

A.increased engine breathing efficiency
B.excessive valve lash
C.excessive lube oil consumption
D.lower than normal fuel consumption

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4.单项选择题If a diesel engine runs roughly, which of the systems listed is most likely to be at fault?（）

A.Fuel
B.Lubricating
C.Cooling
D.Ignition

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5.单项选择题Excessive piston ring wear in a diesel engine will cause（）

A.high lube oil viscosity
B.increased lube oil consumption
C.low lube oil temperatures
D.high firing pressures

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6.单项选择题In the voyage, when carrying out abandon ship drill, should be test every time（）.

A.the emergency lighting system for muster and abandon ship
B.air/oil emergency shut-down
C.M-Eemergency operation
D.main/auxiliary steering gear changing

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7.单项选择题In order to strengthen maritime security and prevent and suppress acts of terrorism against shipping, a new, comprehensive security regime for international shipping was set to enter into force in July 2004 The new regime is（）.

A.ISM Code
B.ISPS Code
C.FSS Code
D.IBC Code

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8.单项选择题The SOLAS convention prescribes that in the fire fighting drill the duty engineer should start the pump and supply deck water in（） minute(s).

A.5
B.3
C.2
D.1

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9.单项选择题When the order given by bridge may have bad results, the duty engineer should（）

A.inform the captain for a further consideration, then perform it
B.inform the captain, and not perform it
C.stop the M/E immediately, and then inform the chief engineer
D.stop the M/E immediately, and then inform the captain

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10.单项选择题The installation and provision of fire fighting equipment is mainly subject to （）

A.ISM code
B.ISPS code
C.IBC code
D.FSS code

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