Electrical Machines The speed of a 50 Hz three phase induction motor under full load condition is 725 rpm the number of poles of the motor are ______________. 4. 8. 2. 6. 4. 8. 2. 6. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in voltage transformer. earthing transformer. current transformer. power transformer. voltage transformer. earthing transformer. current transformer. power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a 3 - Φ wound induction motor is provided with heavy short-circuited end rings. heavy copper or aluminium bars placed in rotor slots. three phase winding. single phase winding. heavy short-circuited end rings. heavy copper or aluminium bars placed in rotor slots. three phase winding. single phase winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is equal to primary. any of the above. less than primary. greater than the primary. equal to primary. any of the above. less than primary. greater than the primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Inter pole winding will act in interpolar region. None of these Compensating winding will act under the pole. Both A and B. Inter pole winding will act in interpolar region. None of these Compensating winding will act under the pole. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V dc series generator is driven at its rated speed. The no-load voltage across its armature terminals would be somewhat more than 230 V somewhat less than 230 V 6 V 230 V somewhat more than 230 V somewhat less than 230 V 6 V 230 V ANSWER DOWNLOAD EXAMIANS APP
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