Electrical Machines The torque speed characteristics of a AC servomotor is approximately any of the above parabola linearised hyperbola any of the above parabola linearised hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor remains same. decreases. None of these increases. remains same. decreases. None of these increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer 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 OC test is conducted on HV side and SC test is conducted on LV 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 both Oc and SC tests are 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 LV side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively Power factor and field current. Torque and field current. Armature current and torque. Armature current and field current. Power factor and field current. Torque and field current. Armature current and torque. Armature current and field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is leading lagging zero unity leading lagging zero unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would be more than 10% remain unchanged be 12.5% be less than 10% be more than 10% remain unchanged be 12.5% be less than 10% ANSWER DOWNLOAD EXAMIANS APP
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