Electrical Machines Commutators in DC machines have a role of which converts Both AC to DC and DC to AC. AC to DC. high voltage DC to low voltage DC. none of these. Both AC to DC and DC to AC. AC to DC. high voltage DC to low voltage DC. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a conduction machine. convection machine. both are correct. none of above are correct. conduction machine. convection machine. both are correct. none of above are correct. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 18° 36° 30° 72° 18° 36° 30° 72° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The constant losses in transformer is/are copper loss. both 2 and 3. hysteresis loss. eddy current loss. copper loss. both 2 and 3. hysteresis loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production dynamically induced emf. both A and B. static induced emf. None of these dynamically induced emf. both A and B. static induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
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