Electrical Machines Hysteresis loss will depends on f³ f1.6 f f² f³ f1.6 f f² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 19% 5% 40% 10% 19% 5% 40% 10% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is repulsion motor. reluctance motor. AC series motor. universal motor. repulsion motor. reluctance motor. AC series motor. universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature flux is.............with respect to main field flux or main field poles? rotates same direction rotates opposite direction None of these stationary rotates same direction rotates opposite direction None of these stationary ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the cause of rapid brush wear may be severe sparking. rough commutator surface. any of above. imperfect contact. severe sparking. rough commutator surface. any of above. imperfect contact. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 500. 1000. 0. 2000. 500. 1000. 0. 2000. ANSWER DOWNLOAD EXAMIANS APP
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