Electrical Machines Which of the following motor has the highest power factor at full load? Shaded pole Resistance split phase Capacitor run Capacitor start Shaded pole Resistance split phase Capacitor run Capacitor start ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Both 1and 2 Speed of alternators should be same Frequency should be same Terminal voltage is same Both 1and 2 Speed of alternators should be same Frequency should be same Terminal voltage is same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor in split phase induction motor is used to start the motor. reduce the harmonics. improve the power factor. improve the starting torque. start the motor. reduce the harmonics. improve the power factor. improve the starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? above rated speed None of these below rated speed both 1 and 2 above rated speed None of these below rated speed both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Auxiliary winding. Compensating winding. Both Compensating and Commutating pole winding. Commutating pole winding. Auxiliary winding. Compensating winding. Both Compensating and Commutating pole winding. Commutating pole winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC motor is connected across the AC supply it will Run at lower speed. Burn. Not run. Run at normal speed. Run at lower speed. Burn. Not run. Run at normal speed. ANSWER DOWNLOAD EXAMIANS APP
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