Electrical Machines Essential conditions for two DC generators are connecting for parallel operation is/are rating of generators should be same. terminal voltage should be same. polarities should be same. both A and B. rating of generators should be same. terminal voltage should be same. polarities should be same. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a compensated DC series motor, the compensating winding is provided In parallel with the armature winding. As a separate unit. In series with the armature winding. In parallel with the field winding. In parallel with the armature winding. As a separate unit. In series with the armature winding. In parallel with the field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer OC test is conducted on HV side and SC test is conducted on LV side OC test is conducted on LV side and SC test is conducted on HV 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 HV side and SC test is conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side both Oc and SC tests are conducted on HV side both OC and SC tests are conducted on LV side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For very sensitive and wide speed control, the preferable control method is Multiple voltage control. Ward-Leonard control. Field control. Armature control. Multiple voltage control. Ward-Leonard control. Field control. Armature control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 950 rpm 940 rpm 1000 rpm 975 rpm 950 rpm 940 rpm 1000 rpm 975 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. always opened. semi closed or semi opened. always closed. none. always opened. semi closed or semi opened. always closed. none. ANSWER DOWNLOAD EXAMIANS APP
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