单项选择题
A.main alternator field rheostat B.exciter field rheostat C.prime mover governor control D.equalizing reactor
When the current flow through a copper wire increases, ...
单项选择题When the current flow through a copper wire increases, its （）
A.resistance will decrease B.insulation will bum C.temperature will increase D.conductivity will increase
When securing an AC generator, you should FIRST （）.A.op...
单项选择题When securing an AC generator, you should FIRST （）.
A.open the generator circuit breaker B.switch the voltage regulator to “manual” C.decrease the field excitation to minimum D.reduce the load on the unit
Prior to starting an AC generator prime mover, the volt...
单项选择题Prior to starting an AC generator prime mover, the voltage regulator cutout switch should be placed in the （）
A.manual position B.bus neutral position C.raise voltage position D.transfer position
