單項選擇題Faulty operation of diesel engine fuel injection nozzles can be a direct cause of().

A.excessive fuel nozzle holder cooling
B.sediment in the fuel supply
C.distortion of the fuel spray pattern
D.improper atomization of the fuel


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題When the load is increased on a turbocharged diesel engine, the amount of increased air supplied by the turbocharger will()

A.lag behind the increased fuel supplied to the engine
B.enter the engine along with the increase in the fuel
C.enter the engine before the increased fuel supply
D.leave the turbocharger as a negative pulse

2.單項選擇題After changing out the fuel filters the diesel engine fails to restart, the most probable cause for this condition is a/an().

A.low compression
B.air-bound fuel system
C.improper spark
D.change in viscosity

3.單項選擇題If a diesel engine starts firing, but is unable to come up normal speed, either without load or even under a small load, the cause may be ()

A.insufficient fuel supply
B.faulty governor
C.high exhaust back pressure
D.all of the above may cause this problem

4.單項選擇題Air in the fuel can cause()

A.high lube oil temperature
B.blue smoke
C.the engine to stop
D.piston seizure

5.單項選擇題Which of the following operating procedures should be carried out immediately after any diesel engine is started?()

A.Take all exhaust temperature reading
B.Check the sump oil level
C.Verify proper lube oil pressure
D.All of the above

最新試題

If two A.C.generators are to be operated in parallel, the load is distributed evenly by()

題型:單項選擇題

One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()

題型:單項選擇題

Flame failure in an automatically fired auxiliary boiler can from a/an ()

題型:單項選擇題

The shipboard oil pollution emergency plan will be invalid after ()

題型:單項選擇題

The condensers located in various stages of a flash evaporator are cooled by()

題型:單項選擇題

The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()

題型:單項選擇題

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()

題型:單項選擇題

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.

題型:單項選擇題

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()

題型:單項選擇題

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

題型:單項選擇題