Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 200 V 115 V 230 V 460 V 200 V 115 V 230 V 460 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The constant losses in transformer is/are eddy current loss. both 2 and 3. copper loss. hysteresis loss. eddy current loss. both 2 and 3. copper loss. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous reactance of an alternator represents a reactance operating at synchronous speed All of these armature reactance and leakage reactance field winding reactance a reactance operating at synchronous speed All of these armature reactance and leakage reactance field winding reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole lap wound dc generator has 4 brushes, if one of the brush is damaged, what will be the change in V, I and P ratings V, I and P V/2, I/2 and P/4 V/2, I and P/2 V, I/2 and P/2 V, I and P V/2, I/2 and P/4 V/2, I and P/2 V, I/2 and P/2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound 4 pole dc motor has 460 conductors. Find the number of parallel paths between the conductors? data provided is insufficient. 2. 4. 6. data provided is insufficient. 2. 4. 6. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC motor is laminated to reduce the hysteresis loss. to reduce the inductor. to reduce the eddy current loss. to reduce the mass. to reduce the hysteresis loss. to reduce the inductor. to reduce the eddy current loss. to reduce the mass. ANSWER DOWNLOAD EXAMIANS APP
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