Three Phase Induction Motors If an induction motor is running at slip S, then rotor output is ______ S × rotor input (1-S) × rotor input (S-1) × rotor input (1+S) × rotor input S × rotor input (1-S) × rotor input (S-1) × rotor input (1+S) × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The good power factor of an induction motor can be achieved if the average flux density in the air gap is Absent Infinity Large Small Absent Infinity Large Small ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to None of the listed here Directly proportional to sqaure of Independent of Directly proportional to None of the listed here Directly proportional to sqaure of Independent of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 15 to 20 % 10 to 15% 5% 30 to 50% 15 to 20 % 10 to 15% 5% 30 to 50% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? None of these Shaft Stator core Bearings None of these Shaft Stator core Bearings ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ None of the listed here Provides fine speed control Has simple and rugged construction Provides high starting torque None of the listed here Provides fine speed control Has simple and rugged construction Provides high starting torque ANSWER DOWNLOAD EXAMIANS APP
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