Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.2 lagging 0.2 leading Unity 0.5 leading 0.2 lagging 0.2 leading Unity 0.5 leading ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Below synchronous speed Synchronous speed Any of the above Above synchronous speed Below synchronous speed Synchronous speed Any of the above Above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ Short circuited None of the listed here Open circuited Supplying a variable resistive load Short circuited None of the listed here Open circuited Supplying a variable resistive load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 99% 60 to 90% 95 to 98 % 80 to 90% 99% 60 to 90% 95 to 98 % 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 730 rpm 2880 rpm 1000 rpm 1440 rpm 730 rpm 2880 rpm 1000 rpm 1440 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides high starting torque Provides fine speed control None of the listed here Has simple and rugged construction Provides high starting torque Provides fine speed control None of the listed here Has simple and rugged construction ANSWER DOWNLOAD EXAMIANS APP
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