單項(xiàng)選擇題In a four-cycle diesel engine piston blow-by can result in increased()

A.crankcase pressure
B.compression pressure
C.scavenge pressure
D.exhaust manifold pressure


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題The most effective method in removing water from diesel fuel oil is by()

A.centrifuging the fuel
B.using it in the engine
C.heating the fuel tanks
D.starting the fuel

2.單項(xiàng)選擇題On board supply vessels, a centrifuge is normally used to purify()

A.cooling water
B.fuel oil
C.sea water
D.diesel intake air

3.單項(xiàng)選擇題Water accumulating in the crankcase of a diesel engine could indicate()

A.a cracked cylinder liner
B.excessive water in the fuel
C.a leaking intercooler
D.excessive moisture in the scavenge air

4.單項(xiàng)選擇題The device used to store a charged pressure for a hydraulic starting system is called the()

A.reservoir
B.hand pump
C.accelerator
D.accumulator

5.單項(xiàng)選擇題How dose water enter the crankcase of a diesel engine?()

A.Through the crankcase exhauster
B.As water vapor contained in blow-by
C.Demulsifying lube oil passing through the main bearings
D.Condensation from vapor formed in the expansion tank

最新試題

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

題型:?jiǎn)雾?xiàng)選擇題

() is not installed on the main switchboar.

題型:?jiǎn)雾?xiàng)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:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()

題型:?jiǎn)雾?xiàng)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:?jiǎn)雾?xiàng)選擇題

The cetane rating of diesel fuel is an indication of the ()

題型:?jiǎn)雾?xiàng)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:?jiǎn)雾?xiàng)選擇題

Which one is NOT the ‘clear grounds’ for a more detailed inspection?()

題型:?jiǎn)雾?xiàng)選擇題

To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()

題型:?jiǎn)雾?xiàng)選擇題