A.To cut out generators when they are no longer required
B.To cut in additional generators automatically as required
C.To divide the KW load equally between generators operating in parallel
D.To divide reactive current between generators operating in parallel
您可能感興趣的試卷
你可能感興趣的試題
A.capacitor in series with the load
B.inductor in series with the load
C.capacitor and inductor in series with the load
D.resistor in series with the load
A.the resistor next to the negative terminal
B.a short circuit
C.the resistor next to the positive terminal
D.an open circuit
A.amount of field excitation of the leading machine
B.load-speed characteristics of the governors
C.amount of field excitation to the lagging machine
D.type of alternator
A.voltage regulators
B.field rheostats
C.reverse power relays
D.prime mover governors
A.120°apart
B.160°apart
C.180°apart
D.360°apart

最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
If separating effect is not good, which measure should be taken ()
Which of the following items don’t belong to dock repair works?()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
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.
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
The ISPS Code consists of a mandatory section-Part A, which shows()
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 cetane rating of diesel fuel is an indication of the ()