Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces damping torqe. both 1 and 2. no torque. eddy current torque. damping torqe. both 1 and 2. no torque. eddy current torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed increased slightly. remains constant. reduce slightly. increase proportional. increased slightly. remains constant. reduce slightly. increase proportional. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer which of the following losses are zero? Iron loss Rotational loss Copper loss All of these Iron loss Rotational loss Copper loss All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit in a transformer is prefered with rated transformer voltage rated transformer current high frequency supply direct current rated transformer voltage rated transformer current high frequency supply direct current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An ideal DC generated is one that has _____________ voltage regulation. low. negative. zero. positive. low. negative. zero. positive. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum flux density is constant, the eddy current losses are proportional to V V2 f2 f V V2 f2 f ANSWER DOWNLOAD EXAMIANS APP