Electrical Machines Dynamic braking is employed to brake non reversing drive None of these both 1 and 2 reversing drive non reversing drive None of these both 1 and 2 reversing drive ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator sparking between brushes and commutator surface may be due to any of the above. under commutation. too rapid reversal of current. over commutation. any of the above. under commutation. too rapid reversal of current. over commutation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Rotational loss All of these Stator core loss Stator copper loss Rotational loss All of these Stator core loss Stator copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the speed of a dc motor increases with load torque, then it is a series motor permanent magnet motor differentially compounded motor comulatively compounded motor series motor permanent magnet motor differentially compounded motor comulatively compounded motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Silicon content in steel lamination is kept within 5% as it All of these increases hysteresis loss. makes the material brittle. Increases cost. All of these increases hysteresis loss. makes the material brittle. Increases cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 5 %. 2.67 %. 30 %. 1.5 %. 5 %. 2.67 %. 30 %. 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
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