Electrical Machines For high current and low current rating which winding is employed to DC machine? None of above Lap winding Both lap and wave winding Wave winding None of above Lap winding Both lap and wave winding Wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. remains unaffected increases decreases any of the above remains unaffected increases decreases any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3-phase, 4 pole, 50 Hz synchronous motor the frequency, pole number and the frequency are halved. The motor speed will be 75 rpm 1500 rpm 375 rpm 3000 rpm 75 rpm 1500 rpm 375 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat generated in the transformer is dissipated mainly by conduction. radiation. All of these convection. conduction. radiation. All of these convection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives eddy current loss hysteresis loss both 1and 2 copper loss eddy current loss hysteresis loss both 1and 2 copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? All of these. Armature current. Applied voltage. Field flux. All of these. Armature current. Applied voltage. Field flux. ANSWER DOWNLOAD EXAMIANS APP
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