Electrical Machines From no load to full load the slip will None of these not change. slightly decrease. slightly increase. None of these not change. slightly decrease. slightly increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An alternator is feeding an infinite busbar. Its prime mover is suddenly shutdown. The alternator will 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. start working as induction motor. come to stand still. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Split phase IM. Cage induction motor. Synchronous motors. Shaded pole IM. Split phase IM. Cage induction motor. Synchronous motors. Shaded pole IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A self-excited shunt generator fails to build up, because 1. the field circuit is open 2. The armature circuit is open 3. the residual magnetism is absent 4. The direction of rotation is wrong From these, the correct answer is 1, 2 and 3 3 only 1, 3 1, 2, 3 and 4 1, 2 and 3 3 only 1, 3 1, 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally Low. 1000 ohms. Infinitely large. around 500 ohms. Low. 1000 ohms. Infinitely large. around 500 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor when started on no load does not accelerate up to full speed but runs at 1/7th of the rated speed. The motor is said to be cogging. locking. plugging. crawling. cogging. locking. plugging. crawling. ANSWER DOWNLOAD EXAMIANS APP
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