單項(xiàng)選擇題A substantial increase pressure could be an indication of a/an ()

A.worn cylinder liner
B.faulty cylinder relief valve
C.excessive lube oil pressure
D.excessive scavenge air 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 water jacket is placed around the exhaust manifolds of propulsion diesel engines to()

A.reduce heat radiation to the engine room
B.aid in preventing turbocharger overheating
C.condense and drain moisture from exhaust gases
D.dampen exhaust gas pulsations in the manifold

2.單項(xiàng)選擇題An increase in diesel engine crankcase pressure generally indicates excessive()

A.compression pressure
B.lube oil header pressure
C.scavenge air pressure
D.piston ring blow-by

3.單項(xiàng)選擇題You are inspecting the lower main precision bearings on a diesel engine.You observe that about half the thin Babbitt linings are of a milky white colourThis condition is caused by ()

A.large dirt particles in the oil supply
B.insufficient lubricating oil and overheating
C.normal wear
D.water contamination of the lube oil

4.單項(xiàng)選擇題A substantial increase in crankcase pressure could be an indication of ()

A.excessive lube oil pressure
B.the proper seating of new rings
C.a worn cylinder liner
D.a malfunctioning cylinder relief valve

5.單項(xiàng)選擇題Scuffed cylinder liner wearing surfaces in a diesel engines can result from ()

A.starting the engine while hot
B.knurling the piston skirt
C.operating the engine overheated
D.scuff resistant piston rings

最新試題

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

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

題型:?jiǎn)雾?xiàng)選擇題

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

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

The cetane rating of diesel fuel is an indication of 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

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

For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()

題型:?jiǎn)雾?xiàng)選擇題

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()

題型:?jiǎn)雾?xiàng)選擇題