Electrical Machines Which of the following are variable losses? eddy current loss hysteresis loss shunt field copper loss armature copper loss eddy current loss hysteresis loss shunt field copper loss armature copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The commutator segments of DC machines are made up of copper alloy brass hard-drawn copper copper copper alloy brass hard-drawn copper copper ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing the field of DC generator means increasing flux density by adding extra turns of winding. creating residual magnetism by a DC source. making the magnetic losses forces parallel. neutralising residual magnetism. increasing flux density by adding extra turns of winding. creating residual magnetism by a DC source. making the magnetic losses forces parallel. neutralising residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a line to ground fault. 3 - phase fault. line to line fault. 3 - phase to ground fault. line to ground fault. 3 - phase fault. line to line fault. 3 - phase to ground fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If s is the slip and f is the supply frequency of an induction motor, the frequency of rotor current is given by f / s. sf. s2. sf / 2. f / s. sf. s2. sf / 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Series. Shunt. Differently compounded. Cummulative compound. Series. Shunt. Differently compounded. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
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