單項(xiàng)選擇題A diesel engine may fail to start due to ()

A.low air charge temperature
B.high cranking speed
C.excessive fuel dilution of lube oil
D.high compression 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A diesel engine fails to start due to excessive water in the fuelBefore the engine can be started, the water should be removed from the()

A.fuel lines
B.lube oil filter
C.crank case pump
D.rocker arm reservoir

2.單項(xiàng)選擇題A diesel engine fails to start because of water in the fuelIn order to start the engine, you should ()?

A.turn engine with jacking gear
B.drain filters and strainers and bleed off water at each injection pump
C.use ether to start the engine with blow-down valves open
D.blow through the cylinders and fuel lines with a drying agent

3.單項(xiàng)選擇題As engine RPM is increased from idle speed to full load speed, which of the conditions listed will decrease?()

A.Compression ratio
B.Fuel/Air ratio
C.Compression pressure
D.Lube oil pressure

4.單項(xiàng)選擇題Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to ()

A.test the starting system
B.remove condensation from the cylinders
C.check the compression
D.check for proper lube oil pressure

5.單項(xiàng)選擇題In the starting process of a diesel engine, the main object is to attain the compression conditions sufficient to ()

A.turn the flywheel
B.reduce friction
C.overcome inertia
D.ignite the fuel

最新試題

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

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

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

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

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

Which of the following items don’t belong to dock repair works?()

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

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

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