Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Has simple and rugged construction None of the listed here Provides fine speed control Provides high starting torque Has simple and rugged construction None of the listed here Provides fine speed control Provides high starting torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Eddy currents Mutual induction Self induction Hysteresis Eddy currents Mutual induction Self induction Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Insertion of resistance in the rotor of an induction motor to develop a given torque Decreases the rotor current Rotor current becomes zero Increases the rotor current Rotor current remains same Decreases the rotor current Rotor current becomes zero Increases the rotor current Rotor current remains same ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The crawling in an induction motor is caused by Improper design of machine Low voltage supply High loads Harmonics developed in the rotor Improper design of machine Low voltage supply High loads Harmonics developed in the rotor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by None of the listed here Cascade control Rheostatic control Pole changing None of the listed here Cascade control Rheostatic control Pole changing ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of None of these Both (A) and (B) Squirrel cage induction motor Slip ring induction motor None of these Both (A) and (B) Squirrel cage induction motor Slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
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