Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be oscillating None of these steady and unidirectional pulsating and unidirectional oscillating None of these steady and unidirectional pulsating and unidirectional ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 10KVA auto transformer, turn ratio is 0.4. Find the power transferred inductively? 4 KVA 6 KVA 0 KVA 10 KVA 4 KVA 6 KVA 0 KVA 10 KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately-excited DC generator, running at rated speed, has 6 volts across its armature terminals with no field current. When field winding is excited with one ampere, the voltage builds up to 250 V at no load. In case field current is reduced to zero, with the speed remaining unaltered, the armature terminal voltage would be 6 V zero less than 6 V more than 6 V 6 V zero less than 6 V more than 6 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Shunt motor with interpoles. Series motor without interpoles. Series motor with interpoles. Cummulative compound motor with interpoles. Shunt motor with interpoles. Series motor without interpoles. Series motor with interpoles. Cummulative compound motor with interpoles. 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/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 V, I and P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An alternator is feeding an infinite busbar. Its prime mover is suddenly shutdown. The alternator will start working as induction motor. come to stand still. continue to work as synchronous motor with same direction of rotation. continue to work as alternator but the direction of rotation will reverse. start working as induction motor. come to stand still. continue to work as synchronous motor with same direction of rotation. continue to work as alternator but the direction of rotation will reverse. ANSWER DOWNLOAD EXAMIANS APP
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