Electrical Machines Regenerative braking is not found in which motor? DC series. DC compound. Induction motor. DC shunt. DC series. DC compound. Induction motor. DC shunt. ANSWER DOWNLOAD EXAMIANS APP
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 A transformer core is made up of a silicon steel laminations which has maximum flux density 1 Tesla. If it was cold rolled grain oriented its flux density increases to 1.6 Tesla. What is the saving in core size or area due to cold rolled grain oriented process? 60% 38% 40% 68% 60% 38% 40% 68% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using delta connection. star connection. V connection. zig - zag connection. delta connection. star connection. V connection. zig - zag connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The total core loss of a 400 V, 50 Hz transformer is 2400W, when it is supplied by 200 V, 25 Hz loss is 800W. Calculate eddy current loss and hysteresis loss? 1000W , 1400W 1600W, 800W 1400W, 1000W 800W, 1600W 1000W , 1400W 1600W, 800W 1400W, 1000W 800W, 1600W 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 efficiency will improve 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 ANSWER DOWNLOAD EXAMIANS APP
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