Electrical Machines Compensating winding is placed in the main field All of these pole shoe armature core main field All of these pole shoe armature core ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator with a diameter of 50 cm rotating at 1000 rpm. For a brush width of 1.5 cm, find the time of commutation in ms. 0.443. 0.512. 0.649. 0.573. 0.443. 0.512. 0.649. 0.573. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The constant losses in transformer is/are copper loss. hysteresis loss. both 2 and 3. eddy current loss. copper loss. hysteresis loss. both 2 and 3. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An alternator is feeding an infinite busbar. Its prime mover is suddenly shutdown. The alternator will come to stand still. continue to work as alternator but the direction of rotation will reverse. start working as induction motor. continue to work as synchronous motor with same direction of rotation. come to stand still. continue to work as alternator but the direction of rotation will reverse. start working as induction motor. continue to work as synchronous motor with same direction of rotation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. None of above. Any of above method. Ward Leonard control. Rheostatic control. None of above. Any of above method. Ward Leonard control. Rheostatic control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commonly used starters of cage motor is star delta. both A and B. None of these DOL. star delta. both A and B. None of these DOL. ANSWER DOWNLOAD EXAMIANS APP