Electrical Machines Which of the following motor has the highest power factor at full load? Shaded pole Resistance split phase Capacitor run Capacitor start Shaded pole Resistance split phase Capacitor run Capacitor start ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous motor can be started by any of the above methods. coupling it with a small AC induction motor called the pony motor. providing damper winding in its rotor circuit. coupling it with a DC compound motor. any of the above methods. coupling it with a small AC induction motor called the pony motor. providing damper winding in its rotor circuit. coupling it with a DC compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short circuit test on a transformer gives copper loss at over load. copper loss at any load. copper loss at full load. copper loss at half load. copper loss at over load. copper loss at any load. copper loss at full load. copper loss at half load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC generator will be in a position to build up without any residual magnetism in the field? Series. Compound. Shunt. Separately excited. Series. Compound. Shunt. Separately excited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be no resistance is connected. parallel. series. any one of the connection. no resistance is connected. parallel. series. any one of the connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will happen if the the supply terminals are reversed in case of a DC shunt motor? The motor will stop. The motor will run in reverse direction. The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. The motor will stop. The motor will run in reverse direction. The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. ANSWER DOWNLOAD EXAMIANS APP
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