Electrical Machines In alternator, the rotary part is core. armature. magnetic field poles. none of these. core. armature. magnetic field poles. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V, 50 Hz, 4 pole single phase induction motor is rotating in the clockwise ( forward ) direction at a speed of 1425 rpm. If the rotor resistance at standstill is 7.8 Ω. Then the effective rotor resistance in the backward branch of the equivalent circuit will be 2 Ω. 4 Ω. 10 Ω. 8 Ω. 2 Ω. 4 Ω. 10 Ω. 8 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 50 V. 399 V. 230.2 V. 100 V. 50 V. 399 V. 230.2 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire in order to reduce eddy current to provide large flux. as it carries large load current. to reduce the insulation of materials. to provide large flux. in order to reduce eddy current to provide large flux. as it carries large load current. to reduce the insulation of materials. to provide large flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using star connection. delta connection. zig - zag connection. V connection. star connection. delta connection. zig - zag connection. V connection. ANSWER DOWNLOAD EXAMIANS APP