單項(xiàng)選擇題Combustion knock occurring in a diesel engine can be caused by ()

A.low coolant temperature
B.insufficient fuel
C.high ambient temperature
D.carbon buildup on the injector tips


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Crankcase explosions in propulsion diesel result from()

A.the splashing of lubrication oil by the crankshaft
B.the dilution of crankcase oil with particles of combustion
C.broken fuel lines spraying oil on the crankcase
D.the ignition of unburned fuel and air in the crankcase

3.單項(xiàng)選擇題What is the function of an engine’s stationary parts?()

A.To add power to the engine
B.To keep the engine firmly attached to its supporting base
C.To keep moving engine part in their proper relative positions
D.To rotate the crankshaft

4.單項(xiàng)選擇題An overcorrecting and unstable engine governor operation is known as().

A.droop
B.dead banding
C.dash potting
D.hunting

5.單項(xiàng)選擇題Coolant can be lost from a diesel engine jacket cooling waster system by leakage from()

A.cylinder head cracks
B.piping joints
C.pump leaking
D.all of the above

最新試題

A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()

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 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

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()

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

Cold weather starting of a diesel engine may be made easier by()

題型:?jiǎn)雾?xiàng)選擇題

Under MARPOL Code the ship to which it applies has to carry ()

題型:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題