Electrical Machines An unexcited single phase synchronous motor is universal motor. AC series motor. repulsion motor. reluctance motor. universal motor. AC series motor. repulsion motor. reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? both 1 and 2 3-phase induction motor None of these 1-phase induction motor both 1 and 2 3-phase induction motor None of these 1-phase induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the e.m.f. generated by a 4 pole lap connected DC Generator rotating at 1500 r.p.m.? Its flux per pole is 0.4 mWb and total no of armature conductors is 1000. 30 volts. 40 volts. 10 volts. 20 volts. 30 volts. 40 volts. 10 volts. 20 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 30° 36° 72° 18° 30° 36° 72° 18° 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 develop very low starting torque. get damaged. not start automatically. start automatically without trouble. develop very low starting torque. get damaged. not start automatically. start automatically without trouble. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results open circuit. short circuit. decrease in speed. increase in speed. open circuit. short circuit. decrease in speed. increase in speed. ANSWER DOWNLOAD EXAMIANS APP
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