Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. wound. none of these. cage. linear. wound. none of these. cage. linear. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature flux is.............with respect to main field flux or main field poles? None of these rotates same direction stationary rotates opposite direction None of these rotates same direction stationary rotates opposite direction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to improve starting torque improve the power factor reduce hunting All of these improve starting torque improve the power factor reduce hunting All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC series motors are connected in series and are driving the same mechanical load. If the motors are now connected in parallel the speed will become half. one fourth. 4 times. double. half. one fourth. 4 times. double. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? All of these. Auto transformer starter. DOL starter. Star-delta starter. All of these. Auto transformer starter. DOL starter. Star-delta starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by increasing number of poles. speed can not be increased. increasing of frequency. decreasing of frequency. increasing number of poles. speed can not be increased. increasing of frequency. decreasing of frequency. ANSWER DOWNLOAD EXAMIANS APP
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