Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant power. current. torque. speed. power. current. torque. speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronising power of a synchronous motor varies inversely as 1/Xs directly as Xs2 directly as synchronous reactances Xs All of these inversely as 1/Xs directly as Xs2 directly as synchronous reactances Xs All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Stator resistance starting. Direct online starting. Auto transformer starting. Rotor resistance starting. Stator resistance starting. Direct online starting. Auto transformer starting. Rotor resistance starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW 33.33 MW and 66.67 MW respectively 50 MW and 50 MW respectively 66.67 MW and 33.33 MW respectively any of the above 33.33 MW and 66.67 MW respectively 50 MW and 50 MW respectively 66.67 MW and 33.33 MW respectively any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? The leakage reactance of the induction motor should be small. None of these A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. The leakage reactance of the induction motor should be small. None of these A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces no torque. both 1 and 2. eddy current torque. damping torqe. no torque. both 1 and 2. eddy current torque. damping torqe. ANSWER DOWNLOAD EXAMIANS APP
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