單項(xiàng)選擇題Diesel engine air start system check valves are opened by ()

A.an air start cam
B.cylinder compression pressure
C.starting air pressure
D.valve springs


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

A.ignition quality of the fuel
B.calorific value of the fuel
C.flash point of the fuel
D.rate of fuel consumption

2.單項(xiàng)選擇題The condensers located in various stages of a flash evaporator are cooled by()

A.distillate
B.seawater
C.brine
D.air

3.單項(xiàng)選擇題Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()

A.Impeller
B.Compressor
C.After-cooler
D.Exhaust differ

5.單項(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?()

A.Speed limiting governor
B.Over-speed governor
C.Over-speed trip
D.Over-speed relay

最新試題

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

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

題型:?jiǎn)雾?xiàng)選擇題

()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.

題型:?jiǎn)雾?xiàng)選擇題

()connectors hold best if a wire is accidentally pulled or a connection becomes loose.

題型:?jiǎn)雾?xiàng)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:?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

As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()

題型:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題