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It is often necessary to _______the direction of rotation of a motor e.g. in lifts, overhead cranes,and machinesCorrectIncorrect
The mechanical interlock is built into the contactor assembly by the manufacturer, but the ________interlock often has to be wired into the control circuit by the electrician.CorrectIncorrect
In order to automatically change direction of the motor ______are used to start and stop the motor.CorrectIncorrect
The direction of rotation is achieved by interchanging any two supply lines above the contactors.CorrectIncorrect
It is not necessary to use electrical interlocks in the control circuit.CorrectIncorrect
To change direction of the motor you loosen the motor from its base and turn it around.CorrectIncorrect
An ammeter is connected in the control circuit to indicate the current used by the motorCorrectIncorrect
A voltmeter is connected in the power circuit to indicate the voltage acting on the circuit.CorrectIncorrect