Electrical Machines A DC series motor must started on no load because it would 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. Not develop starting torque. Run at dangerously high speed. Fail to start without load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Very low. Normal. Very high. Zero. Very low. Normal. Very high. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the armature reaction results in magnetization of inter poles. demagnetization of leading & magnetization of trailing pole tip. demagnetization of centers of poles. magnetization of leading and demagnetization of trailing pole tip. magnetization of inter poles. demagnetization of leading & magnetization of trailing pole tip. demagnetization of centers of poles. magnetization of leading and demagnetization of trailing pole tip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum efficiency will occur, when copper loss is_______to iron loss? any of the above less than equal to greater than any of the above less than equal to greater than ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in transformer insulating oil. steel core. paper insulation in transformers. winding conductors and steel structures of transformer. transformer insulating oil. steel core. paper insulation in transformers. winding conductors and steel structures of transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power indicated on the name plate of any motor is always the Power drawn in KVA. Gross power. Power drawn in KW. Output power at the shaft. Power drawn in KVA. Gross power. Power drawn in KW. Output power at the shaft. ANSWER DOWNLOAD EXAMIANS APP
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