Electrical Machines Which of the following motors is/are widely used? squirrel cage induction motor either of these slip ring induction motor None of these squirrel cage induction motor either of these slip ring induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pair of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance? PZL/4S PZL/ 4Sa PZL/4Sa² PZL/4Sp² PZL/4S PZL/ 4Sa PZL/4Sa² PZL/4Sp² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum efficiency will occur, when copper loss is_______to iron loss? less than any of the above equal to greater than less than any of the above equal to greater than ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the pitch factor? Cos (α/2) Cos α² sin (α/2) Cos α Cos (α/2) Cos α² sin (α/2) Cos α ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant current control constant power control constant torque control constant voltage control constant current control constant power control constant torque control constant voltage control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In large sized DC machines the compensating windings are provided to compensate for the decrease in speed due to increase of load. neutralize voltage induced in coil due to fluctuation of l reduce eddy current losses by providing local short circuits. None of these compensate for the decrease in speed due to increase of load. neutralize voltage induced in coil due to fluctuation of l reduce eddy current losses by providing local short circuits. None of these ANSWER DOWNLOAD EXAMIANS APP
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