A.sea water
B.fresh water
C.vapour
D.gas
您可能感興趣的試卷
你可能感興趣的試題
A.shell and tube type
B.plate type
C.coil type
D.conical disc type
A.temperature
B.velocity
C.density
D.viscosity
A.the low inertia
B.the high inertia
C.the low velocity
D.the high velocity
A.butterfly valve
B.globe valve
C.gate valve
D.non-return valve
A.overcooling
B.poor cooling
C.overloading
D.unloading
最新試題
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
If separating effect is not good, which measure should be taken （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
To proceed to the assistance of a ship in distress is（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
（） is not installed on the main switchboar.