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. 6. 2. 8. 4. 6. 2. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has got maximum relieving property? Differentical compound. Shunt. Series. Cummulative compound. Differentical compound. Shunt. Series. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 2000. 500. 0. 1000. 2000. 500. 0. 1000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the speed of a dc motor increases with load torque, then it is a comulatively compounded motor series motor permanent magnet motor differentially compounded motor comulatively compounded motor series motor permanent magnet motor differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, air gap power is 10 Kw and mechanically developed power is 8 Kw. What are the rotor ohmic losses? 1.5KW 0.5Kw 2KW 3KW 1.5KW 0.5Kw 2KW 3KW ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Poles of DC machine are often laminated to dissipate more heat. reduce iron weight. reduce armature reaction. reduce pulsation loss. dissipate more heat. reduce iron weight. reduce armature reaction. reduce pulsation loss. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS