Electrical Machines When maximum flux density is constant, the eddy current losses are proportional to f2 V2 f V f2 V2 f V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The three point starter is used for Shunt, compound and series motor. Shunt motor as well as compound motors. Shunt motor. Series motor. Shunt, compound and series motor. Shunt motor as well as compound motors. Shunt motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To control the speed of an induction motor, the supply frequency is reduced by 10%. For the same magnetizing current to remain constant, the supply voltage must be increased by 20% reduced by 20% reduced by 10% increased by 10% increased by 20% reduced by 20% reduced by 10% increased by 10% 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 In salient pole synchronous machine, the reluctance power varies as sinδ cos2δ sin2δ cosδ sinδ cos2δ sin2δ cosδ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will start automatically without trouble. not start automatically. develop very low starting torque. get damaged. start automatically without trouble. not start automatically. develop very low starting torque. get damaged. ANSWER DOWNLOAD EXAMIANS APP