Electrical Machines Example of double excited machine is Synchronous motor. Both are correct. DC Shunt Motor None of these Synchronous motor. Both are correct. DC Shunt Motor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole stacking pole chamfering compensating winding All of these pole stacking pole chamfering compensating winding All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc series motor driving and electric train faces a constant power load. It is running at rated speed and rated voltage. If the speed has to be brought down to 0.25 p.u. the supply voltage has to be approximately brought down to 0.125 p.u 0.75 p.u 0.25 p.u 0.5 p.u 0.125 p.u 0.75 p.u 0.25 p.u 0.5 p.u ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating magnetic field is produced in an induction motor because of stator winding. rotor winding. either stator winding or rotor winding. None of these stator winding. rotor winding. either stator winding or rotor winding. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place when power factor is unity. motor is under loaded. when supply voltage fluctuates. when load varies. when power factor is unity. motor is under loaded. when supply voltage fluctuates. when load varies. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronising power of a synchronous motor varies 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 inversely as 1/Xs ANSWER DOWNLOAD EXAMIANS APP