Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at No load Starting Full load Half full load No load Starting Full load Half full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Mutual induction Self induction Hysteresis Eddy currents Mutual induction Self induction Hysteresis Eddy currents 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 An induction motor is preferred to a dc motor because it _______ Has simple and rugged construction 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 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The low power factor of induction motor is due to Rotor leakage reactance All of these Stator reactance The reactive lagging magnetizing current necessary to generate the magnetic flux Rotor leakage reactance All of these Stator reactance The reactive lagging magnetizing current necessary to generate the magnetic flux 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? 2880 rpm 1440 rpm 730 rpm 1000 rpm 2880 rpm 1440 rpm 730 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP