A、the speed to be retarded by the friction brake
B、a load to go downward at full speed
C、the circuit breaker to turn off
D、the resistors to overheat and eventually burn out
更多“Running an electric winch at slow speed over a long period of time causes（）.”相关的问题
A、Static electricity B、An open running electric motor C、Loose wiring D、Explosion proof lights
A、Static electricity B、An open running electric motor C、Loose wiring D、Explosion proof lights
A、generate its own electrical power B、transform electrical energy into mechanical energy C、increase or decrease circuit voltage as required D、convert AC current to DC current
A、develop torque B、generate high voltages C、produce a magnetic field D、generate high electrical resistance
客服
TOP
查看正确答案
