Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 2.5 Hz 1.5 Hz 5 Hz 0.05 Hz 2.5 Hz 1.5 Hz 5 Hz 0.05 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The 3- phase induction motor is so designed that the rotor should have ______ under running conditions. Low resistance High reactance high resistance Large slip Low resistance High reactance high resistance Large slip ANSWER DOWNLOAD EXAMIANS APP
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 The shape of the torque/slip curve of induction motor is Straight line Hyperbola Rectangular parabola Parabola Straight line Hyperbola Rectangular parabola Parabola ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of Both (A) and (B) None of these Slip ring induction motor Squirrel cage induction motor Both (A) and (B) None of these Slip ring induction motor Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque in an induction motor depends on Square of supply voltage All of the listed here Rotor inductive reactance Frequency Square of supply voltage All of the listed here Rotor inductive reactance Frequency ANSWER DOWNLOAD EXAMIANS APP