Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 18° 72° 30° 36° 18° 72° 30° 36° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a DC cummulative compound wound motor is loaded Torque decrease and speed increases. Torque increase and speed decrease. Torque and speed both increase. Both torque and speed decrease. Torque decrease and speed increases. Torque increase and speed decrease. Torque and speed both increase. Both torque and speed decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will increase. any of the above. remain constant. decrease. increase. any of the above. remain constant. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At what power factor, the voltage regulation of a transformer can be zero ? Leading power factor. Zero power factor. Unity power factor. Lagging power factor. Leading power factor. Zero power factor. Unity power factor. Lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Synchronous motors. Split phase IM. Cage induction motor. Shaded pole IM. Synchronous motors. Split phase IM. Cage induction motor. Shaded pole IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 0. 500. 2000. 1000. 0. 500. 2000. 1000. ANSWER DOWNLOAD EXAMIANS APP
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