A.Control panel
B.Paralleling panel
C.Load panel
D.Busbar
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A.Overflow valve
B.Reducing valve
C.Balancing valve
D.Reducing valve or balancing valve
A.overflow valve
B.reducing valve
C.relief valve
D.sequence valve
A.overflow valve
B.reducing valve
C.relief valve
D.sequence valve
A.control the fluid flow through it
B.prevent the pressure before it over the specified valve
C.make the pressure after it steady
D.control the direction of oil flow
A.control the back pressure of return oil
B.lock the oil lines under some conditions
C.change the direction of oil flow
D.act as relief valve
最新試題
Cold weather starting of a diesel engine may be made easier by（）
The main purpose of port State control is not to（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
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
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
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（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）