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 3-phase wound rotor morors are also called _____ motors. Commutator Slip ring Series Synchronous Commutator Slip ring Series Synchronous 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 Remains unchanged Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. Greater than Smaller than None of the listed here Equal to Greater than Smaller than None of the listed here Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? Stator core Bearings None of these Shaft Stator core Bearings None of these Shaft ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ 90% None of the listed here 40% 65% 90% None of the listed here 40% 65% ANSWER DOWNLOAD EXAMIANS APP
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