Electrical Machines If the air gap of IM is increased, ____________ will increase. speed. power factor. air gap flux. magnetizing current. speed. power factor. air gap flux. magnetizing current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place when supply voltage fluctuates. when power factor is unity. when load varies. motor is under loaded. when supply voltage fluctuates. when power factor is unity. when load varies. motor is under loaded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is electromagnetic torque. maximum torque. none. starting torque. electromagnetic torque. maximum torque. none. starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to carry extra load. to interconnect three voltage systems. None of these to suppress harmonic and unbalance in voltage. to carry extra load. to interconnect three voltage systems. None of these to suppress harmonic and unbalance in voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines shape of net flux density is? saddle shape flat tapped or trapezoidal sine wave peaky in nature saddle shape flat tapped or trapezoidal sine wave peaky in nature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Series. Shunt. Differential compound. Cummulative compound. Series. Shunt. Differential compound. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
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