Electrical Machines If the air gap of IM is increased, ____________ will increase. speed. air gap flux. magnetizing current. power factor. speed. air gap flux. magnetizing current. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 240 V 140 V 120 V 175 V 240 V 140 V 120 V 175 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting phenomenon is observed in which motor? DC motor. Induction motor. Both A and C. Synchronous motor. DC motor. Induction motor. Both A and C. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be pulsating and unidirectional None of these oscillating steady and unidirectional pulsating and unidirectional None of these oscillating steady and unidirectional ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? None of these K × input power both A and B (1-K) × input power None of these K × input power both A and B (1-K) × input power ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator runs at 750 rpm and generate an emf of 240 V. The armature is wave wound and has 792 conductors. If the total flux from each pole is 0.0145 Wb. What is the leakage co-efficient? 1.2. 1.8. 1.5. 1.4. 1.2. 1.8. 1.5. 1.4. ANSWER DOWNLOAD EXAMIANS APP
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