Electrical Machines Hunting phenomenon is observed in which motor? Both A and C. Induction motor. DC motor. Synchronous motor. Both A and C. Induction motor. DC motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 1. 0.7. 0.3. 0.54. 1. 0.7. 0.3. 0.54. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? No load. Low load. None of these. Full load. No load. Low load. None of these. Full load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous generator, if mechanical input is increased with constant excitation, the load angle will decrease increase either increase or decrease None of these decrease increase either increase or decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following starter is sufficient to start the DC series motor ? 3 point starter 2 point starter 4 point starter All of these 3 point starter 2 point starter 4 point starter All of these 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 3 only 1, 2, 3 and 4 1, 3 1, 2 and 3 3 only 1, 2, 3 and 4 1, 3 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
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