單項選擇題White smoke exhausting from an operating diesel engine may indicate ()

A.a cracked liner
B.burning lube oil
C.an overloaded engine
D.insufficient combustion air


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題The over-speed trip installed on most diesel engine will stop the engine by shutting off the ()

A.water supply
B.fuel oil supply
C.lube oil supply
D.exhaust damper

2.單項選擇題The blower type crankcase ventilation system ()

A.removes combustible gases in the crankcase
B.prevents the formation of combustible gases in the crankcase
C.cools lubricating oil
D.improves cold weather starting

3.單項選擇題One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is to ()

A.increase scavenge air pressure
B.reduce fuel booster pump pressure
C.adjust the fuel rack
D.retard fuel injector timing

4.單項選擇題What is the best way of stopping an over-speeding diesel engine?()

A.Disconnect the battery cables from the starting motor
B.Drain the hydraulic fluid from the governor sump
C.Block the flow of cooling air to the radiator
D.Secure the fuel supply and block the air intake

5.單項選擇題The efficient burning of fuel in a diesel engine is dependent upon the ()

A.temperature of compression
B.atomization of the fuel
C.penetration of the fuel
D.all of the above

最新試題

Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()

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

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

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

The treatment of the fuel oils involves storage, heating, filtering and()

題型:單項選擇題

The ISPS Code consists of a mandatory section-Part A, which shows()

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

() is not installed on the main switchboar.

題型:單項選擇題

If separating effect is not good, which measure should be taken ()

題型:單項選擇題