Electrical Machines For satisfactory performance of 3-phase 480V, 60 Hz induction motor, the supply voltage at 50 Hz should be equal to 480 V. 420 V. 400 V. 350 V. 480 V. 420 V. 400 V. 350 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? Copper loss windage and friction loss both 1 and 2 core loss only Copper loss windage and friction loss both 1 and 2 core loss only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which single phase motor is used for a refrigerator? Capacitor run. Universal. Split phase. Repulsion. Capacitor run. Universal. Split phase. Repulsion. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine windings are either of these full pitched short pitched None of these either of these full pitched short pitched None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has the highest starting torque? Squirrel cage induction motor. Same in both induction motors. Slip ring induction motor. None of these Squirrel cage induction motor. Same in both induction motors. Slip ring induction motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC shunt motor if load is reduced The speed will increase abruptly. The speed will increase in proportion to reduction in load. The speed will remains almost constant. DC Shunt Motor The speed will increase abruptly. The speed will increase in proportion to reduction in load. The speed will remains almost constant. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
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