DC MOTORS - Quiz

1) Which motor is used for traction purpose?

DC shunt motor DC compound motor DC series motor Capacitor motor

2) Which motor is used for grinders and polishers?

DC series motor DC shunt motor Differential compound motor Cumulative compound motor

3) Which instrument is used to measure insulation resistance of DC motor?

Earth tester Megger Voltmeter Ammeter

4) Which is the major reason for open circuit in armature circuit of DC machine?

Over voltage Low voltage Over load Loose commulator segments

5) Which test is conducted to determine the winding earth leakage of a DC motor?

Continuity test Ground test Short circuit test Open circuit test