Electrical Machines Which of the following generators are used in arc welding? cumulative compound generators differential compound generators shunt generators series generators cumulative compound generators differential compound generators shunt generators series generators ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase None of these supply voltage supply frequency rotor resistance None of these supply voltage supply frequency rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mmf produced by rotor currents of a 3 - Φ induction motor rotates at the speed of rotor in the air gap. rotates at synchronous speed with respect to rotor. is at standstill with respect to stator mmf. rotates at slip speed with respect to stator mmf. rotates at the speed of rotor in the air gap. rotates at synchronous speed with respect to rotor. is at standstill with respect to stator mmf. rotates at slip speed with respect to stator mmf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eddy current loss will depends on Flux density Thickness Frequency All of these Flux density Thickness Frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generators are usually designed to develop armature voltages not exceeding 650 V because of the limitations imposed by armature winding commutator field winding starters armature winding commutator field winding starters 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 reduced size. low starting torque. high efficiency. quick acceleration. reduced size. low starting torque. high efficiency. quick acceleration. ANSWER DOWNLOAD EXAMIANS APP
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