Electrical Machines If input of a transformer is square wave the output will be square wave. sine wave. pulsed wave. triangular wave. square wave. sine wave. pulsed wave. triangular wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor when the length of the air gap is increased, the magnetizing current of the motor increases while the short circuit current __________________. remains unchanged. decreased. kept constant to certain value. increased. remains unchanged. decreased. kept constant to certain value. increased. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve quick acceleration. reduced size. high efficiency. low starting torque. quick acceleration. reduced size. high efficiency. low starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is leading. lagging. zero. unity. leading. lagging. zero. unity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which DC motor will have least percentage increase of input current, for the same percentage increase in the torque DC Series Motor Compound Wound DC Motor Separately Excited DC Motor DC Shunt Motor DC Series Motor Compound Wound DC Motor Separately Excited DC Motor DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire 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. in order to reduce eddy current to provide large flux. ANSWER DOWNLOAD EXAMIANS APP
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