Three Phase Induction Motors The rotor of an induction motor runs at Any of the above Below synchronous speed Synchronous speed Above synchronous speed Any of the above Below synchronous speed Synchronous speed Above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of stator slots is _______ rotor slots. Either more or less than the number of Always eqaul to the number of Always greater than the number of Always less than the number of Either more or less than the number of Always eqaul to the number of Always greater than the number of Always less than the number of 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 remains same Increases the rotor current Rotor current becomes zero Decreases the rotor current Rotor current remains same Increases the rotor current Rotor current becomes zero ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ High starting torque is required Speed control is required High rotor resistance is required during running Less costly motor is not required High starting torque is required Speed control is required High rotor resistance is required during running Less costly motor is not required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Supply frequency None of these Copper losses in motor Supply voltage Supply frequency None of these Copper losses in motor Supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 600 rpm 1000 rpm 1200 rpm 300 rpm 600 rpm 1000 rpm 1200 rpm 300 rpm ANSWER DOWNLOAD EXAMIANS APP