A.power
B.efficiency
C.effective power
D.power factor
您可能感興趣的試卷
你可能感興趣的試題
A.connects
B.trips
C.fouls
D.destructs
A.The generator needs not excitation
B.The winding on the rotor is for inputting excitation current
C.There are three phase windings on the rotor
D.The generator has brushes
A.current
B.voltage
C.power
D.frequency
A.the same as
B.much larger than
C.less than
D.equals
最新試題
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
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
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The condensers located in various stages of a flash evaporator are cooled by（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Using a file without a handle may result in （）
The ISPS Code consists of a mandatory section-Part A, which shows（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）