A.inductance
B.capacitance
C.resistance
D.amperage
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A.Fan
B.Pump
C.Winch
D.Machine tool
A.number of turns of wire in the armature coil
B.number of magnetic poles
C.strength of the magnets used
D.output voltage
A.diode
B.transformer
C.transistor
D.rheostat
A.Transducer
B.Reducer
C.Transformer
D.Rectifier
A.magnetic shield
B.electromagnet
C.piezoelectric device
D.electromagnetic domain
最新試題
Which of the following items don’t belong to dock repair works?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Cold weather starting of a diesel engine may be made easier by（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
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.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
The condensers located in various stages of a flash evaporator are cooled by（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Diesel engine air start system check valves are opened by （）