Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Good voltage regulation Low short circuit current None of these High voltage regulation Good voltage regulation Low short circuit current None of these High voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motors are used in food processing cranes traction All of these food processing cranes traction All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, if the supply voltage and frequency are reduced by the same ratio, then slip at which maximum torque occurs is less and maximum torque decreases less and maximum torque increases more and maximum torque decreases more and maximum torque remains constant less and maximum torque decreases less and maximum torque increases more and maximum torque decreases more and maximum torque remains constant ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Poles of DC machine are often laminated to reduce iron weight. reduce armature reaction. reduce pulsation loss. dissipate more heat. reduce iron weight. reduce armature reaction. reduce pulsation loss. dissipate more heat. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is rectangular flat-topped sinusoidal co- sinusoidal rectangular flat-topped sinusoidal co- sinusoidal 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? 1.4. 1.2. 1.5. 1.8. 1.4. 1.2. 1.5. 1.8. ANSWER DOWNLOAD EXAMIANS APP
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