A.starters
B.pressure switches
C.pressure
D.water
您可能感興趣的試卷
你可能感興趣的試題
A.forced circulating pump
B.compressed air
C.gravity tank
D.bead tank
A.total dissolved solids
B.temperature of distillation of sea water
C.total dissolved sodium
D.total delivery system
A.sea water
B.fresh water
C.vapour
D.gas
A.shell and tube type
B.plate type
C.coil type
D.conical disc type
A.temperature
B.velocity
C.density
D.viscosity
最新試題
Which of the following items don’t belong to dock repair works?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
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
The treatment of the fuel oils involves storage, heating, filtering and（）
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（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
The main purpose of port State control is not to（）
Using a file without a handle may result in （）
The cetane rating of diesel fuel is an indication of the （）