Electrical Machines Normally for the design of transformer the ambient temperature is taken as 32°C. 35°C. 45°C. 27°C. 32°C. 35°C. 45°C. 27°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will run at very high speed. burn. run at very low speed. start haunting. run at very high speed. burn. run at very low speed. start haunting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetic neutral axis. Magnetic neutral armature co-ordinate. Magnetically no-load armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. Magnetic neutral armature co-ordinate. Magnetically no-load armature co-ordinate. Magnetic no-load axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? Star-delta starter. DOL starter. Auto transformer starter. All of these. Star-delta starter. DOL starter. Auto transformer starter. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around unity 0.2 lead 0.2 lag 0.9 lag unity 0.2 lead 0.2 lag 0.9 lag ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of induction motors the ratio of length to pole pitch for minimum cost, is taken as 1.0. 1.5 to 2. 2 to 3. 3 to 5. 1.0. 1.5 to 2. 2 to 3. 3 to 5. ANSWER DOWNLOAD EXAMIANS APP
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