Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Hyperbola Parabola Straight line Rectangular parabola Hyperbola Parabola Straight line Rectangular parabola ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by Cascade control Rheostatic control Pole changing None of the listed here Cascade control Rheostatic control Pole changing None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 80 to 90% 60 to 90% 99% 95 to 98 % 80 to 90% 60 to 90% 99% 95 to 98 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The no load speed of an induction motor depends on The supply frequency Both supply frequency and number of poles The number of its poles The maximum flux/poles The supply frequency Both supply frequency and number of poles The number of its poles The maximum flux/poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip of an induction motor is negative when None of these Magnetic field and rotor rotate in opposite direction Rotor speed is less than the synchronous speed of the field and are in the same direction Rotor speed is more than the synchronous speed of the field and are in the same direction None of these Magnetic field and rotor rotate in opposite direction Rotor speed is less than the synchronous speed of the field and are in the same direction Rotor speed is more than the synchronous speed of the field and are in the same direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of induction motor is made of Hollow Any of the listed here Stiff Flexible Hollow Any of the listed here Stiff Flexible ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS