Answer the following statement(s) true (T) or false (F)

1. For the gentle starting of large motors, a motor starter is used.
2. Four-terminal manual starting has three functions in common with three-terminal starting rheostats.
3. Four-terminal manual starting has three functions in common with three-terminal starting rheostats.
4. Series and cumulative compound motors are rarely used on cranes, elevators, machine tools, and other devices where the motor is under the direct control of an operator.
5. A contactor is a switch that is closed or opened by the magnetic pull of an energized relay coil.


1. True
2. False
3. True
4. False
5. True

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