Electrical Machines Under which of the following conditions hunting of synchronous motor is likely to occur ? Periodic variation of load. Small and constant load. Over-loading for long period. Over-excitation. Periodic variation of load. Small and constant load. Over-loading for long period. Over-excitation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - φ induction motor can also be referred to as a repulsion motor. asynchronous motor. transformer. shunt motor. repulsion motor. asynchronous motor. transformer. shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is normal speed. zero. less than normal speed. more than normal speed. normal speed. zero. less than normal speed. more than normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field system has to be provided on stator unlike synchronous machines Where in it could be on any member, because dc machines are comparatively low rating machines. it reduces field structure iron losses it gives more uniform air-gap flux distribution commutator action is not possible otherwise dc machines are comparatively low rating machines. it reduces field structure iron losses it gives more uniform air-gap flux distribution commutator action is not possible otherwise ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in paper insulation in transformers. steel core. transformer insulating oil. winding conductors and steel structures of transformer. paper insulation in transformers. steel core. transformer insulating oil. winding conductors and steel structures of transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? series generators both B and C over compound generator shunt generator series generators both B and C over compound generator shunt generator ANSWER DOWNLOAD EXAMIANS APP
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