Electrical Machines When maximum flux density is constant, the eddy current losses are proportional to V2 V f f2 V2 V f f2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a DC Shunt motor if the load is decreased to some extent, what will happen to its speed? The speed will increase gradually. The speed will remains almost constant. The speed will increase abruptly. The speed will increase in proportion to reduction in load. The speed will increase gradually. The speed will remains almost constant. The speed will increase abruptly. The speed will increase in proportion to reduction in load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? The leakage reactance of the induction motor should be small. A small value of leakage reactance will increase the maximum power output of motor. None of these Both 1 and 2. The leakage reactance of the induction motor should be small. A small value of leakage reactance will increase the maximum power output of motor. None of these Both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? High. Equal to 1. Same as full load. Low. High. Equal to 1. Same as full load. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Series motor. Cumulatively compound motor. Differently compared motor. Shunt motor. Series motor. Cumulatively compound motor. Differently compared motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Example of double excited machine is DC Shunt Motor Synchronous motor. Both are correct. None of these DC Shunt Motor Synchronous motor. Both are correct. None of these ANSWER DOWNLOAD EXAMIANS APP