Electrical Machines A transformer has resistance and reactance in per unit as 0.01 and 0.04 respectively. Its voltage regulation for 0.8 power factor lagging and leading will be None of these 3.2% and -1.6% 6% and -4% 4.8% and -3.2% None of these 3.2% and -1.6% 6% and -4% 4.8% and -3.2% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer oil is used as both A and B. inert medium. an insulator. a coolant. both A and B. inert medium. an insulator. a coolant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator a synchronous dead load (lamp, furnaces etc) has no ____________ hence it has no natural frequency of oscillation. damping torque. mechanical rotatory system. restoring torque. synchronizing power co efficient. damping torque. mechanical rotatory system. restoring torque. synchronizing power co efficient. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The interpoles in dc machines have a tapering shape in order to reduce the overall weight reduce the saturation in the interpole increase the acceleration of commutation economise on the material required for interpoles and their windings reduce the overall weight reduce the saturation in the interpole increase the acceleration of commutation economise on the material required for interpoles and their windings ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Star - delta Delta - delta Star - star Delta - star Star - delta Delta - delta Star - star Delta - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 1 - 2 µF. 0.1 µF. 2 - 3 µF. 5 - 10 F. 1 - 2 µF. 0.1 µF. 2 - 3 µF. 5 - 10 F. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS