Electrical Machines Direct axis reactance is defined as the ratio of Vmin to Imax Vmin to Imin Vmax to Imin Vmax to Imax Vmin to Imax Vmin to Imin Vmax to Imin Vmax to Imax ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor Increase. Remains same. None of these. Decrease. Increase. Remains same. None of these. Decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field to a DC source. in reverse. to an AC source. to earth. to a DC source. in reverse. to an AC source. to earth. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is AC. DC. both of above. None of these AC. DC. both of above. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC mototr are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor? 15.30%. 18.25%. 16.67%. 14.28%. 15.30%. 18.25%. 16.67%. 14.28%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Shunt. Cummulative compound. Differently compounded. Series. Shunt. Cummulative compound. Differently compounded. Series. ANSWER DOWNLOAD EXAMIANS APP
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