Electrical Machines Eb/V ratio of a DC motor is an indication of Starting torque. Effiency. Speed regulation. Running Torque. Starting torque. Effiency. Speed regulation. Running Torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor cannot be started on no load? cumulative compound motors shunt motors both B and C series motors cumulative compound motors shunt motors both B and C series motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the increase in the torque expressed as percentage of initial torque, if current drawn by the dc series motor is increased from 10A to 11A? 41% 10% 21% 11% 41% 10% 21% 11% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The magnetic field which initially induces emf in the armature in a self excited DC generator is because of permanent magnets. armature reaction. residual magnetism. None of these permanent magnets. armature reaction. residual magnetism. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The basic function of a transformer is to change the power level the power factor the frequency the level of the voltage the power level the power factor the frequency the level of the voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP
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