A.heavy carbon deposits will buildup on the valves and in the exhaust
B.fuel dilution is increased at low load
C.exhaust valves may be damaged
D.all of the above
您可能感興趣的試卷
你可能感興趣的試題
A.governor malfunctions
B.fuel injection system malfunctions
C.high cylinder lube oil temperatures
D.low intake temperatures
A.air quantity aspirated
B.fuel injection pressure
C.combustion pressure on the power stroke
D.compression on the compression stroke
A.incorrect adjustments
B.dirty fuel
C.broken fuel lines
D.excessive vibration
A.quantity of air it takes in and retains in the cylinders during a given time period
B.proportion of trapped air that is utilized in the combustion process
C.thermodynamic efficiency of the engine cycle
D.all of the above
A.damage to strainers
B.over-speeding of the engine
C.excessive cooling of the engine
D.injector damage
最新試題
The shipboard oil pollution emergency plan will be invalid after ()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
Under MARPOL Code the ship to which it applies has to carry ()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
To proceed to the assistance of a ship in distress is()
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()
Flame failure in an automatically fired auxiliary boiler can from a/an ()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()