A.half the resistance of the other resistor
B.a resistance equal to the other
C.at least ten times the resistance of the other
D.a partial short circuit
您可能感興趣的試卷
你可能感興趣的試題
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
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
最新試題
The main purpose of port State control is not to（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
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（）
Under MARPOL Code the ship to which it applies has to carry （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）