Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ High rotor resistance is required during running Speed control is required High starting torque is required Less costly motor is not required High rotor resistance is required during running Speed control is required High starting torque is required Less costly motor is not required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor current Shaft diameter Rotor power factor Rotor emf Rotor current Shaft diameter Rotor power factor Rotor emf ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ Is increased None of the listed here Is decreased Remains unchanged Is increased None of the listed here Is decreased Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Independent of Directly proportional to sqaure of None of the listed here Directly proportional to Independent of Directly proportional to sqaure of None of the listed here Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? Shaft Stator core None of these Bearings Shaft Stator core None of these Bearings ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Low Same as full load torque Negligible Slightly more than full load torque Low Same as full load torque Negligible Slightly more than full load torque ANSWER DOWNLOAD EXAMIANS APP
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