Electrical Machines An unexcited single phase synchronous motor is AC series motor. universal motor. reluctance motor. repulsion motor. AC series motor. universal motor. reluctance motor. repulsion motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The low voltage winding of a 400/230 V single phase 50 Hz transformer is to be connected to keep the magnetization current at the same level in both the cases the voltage at 25 Hz should be 230 V 65 V 115 V 460 V 230 V 65 V 115 V 460 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in traction computer printers food processing All of these traction computer printers food processing All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 2 6 4 1 2 6 4 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Demagnetization effects which of the following? reduces the terminal voltage reduction in main field flux commutation both B and C reduces the terminal voltage reduction in main field flux commutation both B and C ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC motor, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will improve and the speed falls. deteriorate and the speed rises. deteriorate and the speed falls. improve and the speed rises. improve and the speed falls. deteriorate and the speed rises. deteriorate and the speed falls. improve and the speed rises. ANSWER DOWNLOAD EXAMIANS APP
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