Electrical Machines At what power factor, the voltage regulation of a transformer can be zero ? Zero power factor. Leading power factor. Unity power factor. Lagging power factor. Zero power factor. Leading power factor. Unity power factor. Lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in in both machines. induction motor. none of above. synchronous motor. in both machines. induction motor. none of above. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing the field of DC generator means creating residual magnetism by a DC source. increasing flux density by adding extra turns of winding. making the magnetic losses forces parallel. neutralising residual magnetism. creating residual magnetism by a DC source. increasing flux density by adding extra turns of winding. making the magnetic losses forces parallel. neutralising residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along quadrature axis and direct axis direct axis and interpolar axis quadrature axis and interpolar axis direct axis and indirect axis quadrature axis and direct axis direct axis and interpolar axis quadrature axis and interpolar axis direct axis and indirect axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer both OC and SC tests are conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side OC test is conducted on HV side and SC test is conducted on LV side both Oc and SC tests are conducted on HV side both OC and SC tests are conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side OC test is conducted on HV side and SC test is conducted on LV side both Oc and SC tests are conducted on HV side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is running with a divertor connected across its field winding. If the divertor resistance is reduced then the speed of the motor will increase. remain unaltered. become execessively high. decrease. increase. remain unaltered. become execessively high. decrease. ANSWER DOWNLOAD EXAMIANS APP
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