Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is leading lagging unity zero leading lagging unity zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? any of the above half load no load full load any of the above half load no load full load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Copper loss Eddy current loss Hysteresis loss Magnetic loss Copper loss Eddy current loss Hysteresis loss Magnetic loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor the torque is proportional to 1/P P² Power P 1/P² 1/P P² Power P 1/P² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is starting torque. none. maximum torque. electromagnetic torque. starting torque. none. maximum torque. electromagnetic torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to increase the load current. suppress the hunting. decrease the load current. both 1 and 2. increase the load current. suppress the hunting. decrease the load current. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
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