A.The breaker should be closed when one synchronizing lamp is dark and the other is bright
B.The breaker should be closed when both synchronizing lamps are bright
C.The frequency meter should be used to determine that the incoming alternator frequency is slightly higher than the bus
D.A portable phase sequence indicator must be used to verify the information from the lamps
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A.100kw
B.400kw
C.500kw
D.600kw
A.used to do mechanical work
B.used to establish the magnetic field of the motor
C.lost as heat generated by the windings
D.lost in doing work to turn the motor itself
A.an electrical interlock system
B.an automatic paralleling trip switch
C.the synchronizing oscilloscope
D.the reverse current relay
A.waterproof
B.drip proof
C.spray tight
D.spray proof
A.portable tools
B.large pump motors
C.turbo electric main motors
D.forced draft fans
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