Electrical Machines Compensating winding are used to rectify the flux density waveform at throughout the air gap. None of these region under main pole. interpole region. throughout the air gap. None of these region under main pole. interpole region. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the weight of the stator. both of the above. hysteresis loss. eddy current loss. weight of the stator. both of the above. hysteresis loss. eddy current loss. 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 frequency rotor resistance supply voltage None of these supply frequency rotor resistance supply voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be 18. 50. 80. 36. 18. 50. 80. 36. 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/4Sp² PZL/ 4Sa PZL/4S PZL/4Sa² PZL/4Sp² PZL/ 4Sa PZL/4S PZL/4Sa² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is zero infinite value maximum any of the above zero infinite value maximum any of the above ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS