Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Good voltage regulation High voltage regulation None of these Low short circuit current Good voltage regulation High voltage regulation None of these Low short circuit current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The size of inter poles is small as compared to main poles. What is the reason? In order to not to get saturated. In order to get saturated. In order to get more flux. All of these In order to not to get saturated. In order to get saturated. In order to get more flux. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the speed of a dc motor increases with load torque, then it is a permanent magnet motor comulatively compounded motor series motor differentially compounded motor permanent magnet motor comulatively compounded motor series motor differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________. increased. kept constant to certain value. remains same. decreased. increased. kept constant to certain value. remains same. decreased. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor must started on no load because it would Not develop starting torque. Run at dangerously high speed. Fail to start without load. Draw more current without producing sufficient torque. Not develop starting torque. Run at dangerously high speed. Fail to start without load. Draw more current without producing sufficient torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which one of the following statement is correct ? In an induction motor if the air gap is increased then its power factor will reduce its speed will reduce its speed will increase its efficiency will improve its power factor will reduce its speed will reduce its speed will increase its efficiency will improve ANSWER DOWNLOAD EXAMIANS APP
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