Electrical Machines The torque speed characteristics of a AC servomotor is approximately parabola linearised any of the above hyperbola parabola linearised any of the above hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor should be stiff. any of these. hollow. flexible. stiff. any of these. hollow. flexible. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a certain transformer is increased by 50% and the frequency is reduced by 50%, the maximum flux density will (assuming that the magnetic circuit remains unsaturated) changes to three times the original value changes to 1.5 times the original value remain the same as the original changes to 0.5 times the original value changes to three times the original value changes to 1.5 times the original value remain the same as the original changes to 0.5 times the original value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of double squirrel cage winding on the rotor provides low noise. reduced starting torque. a large starting torque. higher efficiency. low noise. reduced starting torque. a large starting torque. higher efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High starting torque and low starting current is the advantage of slip ring induction motor. squirrel cage induction motor. hysteresis motor. stepper motor. slip ring induction motor. squirrel cage induction motor. hysteresis motor. stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake non reversing drive reversing drive both 1 and 2 None of these non reversing drive reversing drive both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP