Electrical Machines In shapers and slotters which motor are preferred? Slip ring IM. Squirrel cage IM. Synchronous motor. Double cage motor. Slip ring IM. Squirrel cage IM. Synchronous motor. Double cage motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by using a flywheel. providing damper winding in the rotor pole faces. designing the motor for adequate synchronizing power. any of above methods. using a flywheel. providing damper winding in the rotor pole faces. designing the motor for adequate synchronizing power. any of above methods. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series motor is efficiently suitable for low starting torque operation. constant speed operation. none of these. high starting torque operation. low starting torque operation. constant speed operation. none of these. high starting torque operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following losses are negligible in blocked rotor test? iron loss copper loss both A and B mechanical loss iron loss copper loss both A and B mechanical loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an additional resistance is connected in series with a DC series motor operating at rated speed, the speed of the motor will Increase. Reduce. Remain unaltered. Oscillate around the normal speed. Increase. Reduce. Remain unaltered. Oscillate around the normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is very effective for shunt motors. series motors. differential compound motors. separately excited motors. shunt motors. series motors. differential compound motors. separately excited motors. ANSWER DOWNLOAD EXAMIANS APP