Electrical Machines If the air gap of IM is increased, ____________ will increase. air gap flux. speed. power factor. magnetizing current. air gap flux. speed. power factor. magnetizing current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Shunt. Cummulative compound. Differential compound. Series. Shunt. Cummulative compound. Differential compound. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control provides speed control above rated speed. in one direction only. below rated speed. in both direction. above rated speed. in one direction only. below rated speed. in both direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake reversing drive None of these both 1 and 2 non reversing drive reversing drive None of these both 1 and 2 non reversing drive ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 2.57 %. 3.76%. 4.76%. 2.56 %. 2.57 %. 3.76%. 4.76%. 2.56 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at region under main pole. throughout the air gap. None of these interpole region. region under main pole. throughout the air gap. None of these interpole region. ANSWER DOWNLOAD EXAMIANS APP
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