Electrical Machines What is the function of inter pole in DC generator? To serve the economical aspects. To get a superior commutation. Both option B and C. To neutralize the distortion of main field flux due to armature reaction. To serve the economical aspects. To get a superior commutation. Both option B and C. To neutralize the distortion of main field flux due to armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If iron loss and full load copper loss of any transformer are denoted by Pi and Pc, then the load corresponding to maximum efficiency is given by (Pi / Pc) × full Load. (Pi / Pc)1.6 × full Load. (Pi / Pc)2 × full Load. (Pi / Pc)0.5 × Full Load. (Pi / Pc) × full Load. (Pi / Pc)1.6 × full Load. (Pi / Pc)2 × full Load. (Pi / Pc)0.5 × Full Load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a star - delta starting of an IM applied voltage per stator phase is 57.7 % of a line volt reduced voltage is applied to the stator. line voltage is 57.7 % of stator voltage. resistance is inserted in the rotor. applied voltage per stator phase is 57.7 % of a line volt reduced voltage is applied to the stator. line voltage is 57.7 % of stator voltage. resistance is inserted in the rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if φ is the flux per pole and f is the frequency of the emf induced E then E ∝ φ/f E ∝ f/φ E ∝ φf E ∝ 1/(φf) E ∝ φ/f E ∝ f/φ E ∝ φf E ∝ 1/(φf) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control is provides speed control Above rated speed. In one direction only. In both direction. Below rated speed. Above rated speed. In one direction only. In both direction. Below rated speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct axis reactance is defined as the ratio of Vmax to Imin Vmax to Imax Vmin to Imax Vmin to Imin Vmax to Imin Vmax to Imax Vmin to Imax Vmin to Imin ANSWER DOWNLOAD EXAMIANS APP
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