Electrical Machines Armature reaction in dc motor results decrease in speed. open circuit. increase in speed. short circuit. decrease in speed. open circuit. increase in speed. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? both 1 and 2 Copper loss windage and friction loss core loss only both 1 and 2 Copper loss windage and friction loss core loss only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following motors DC excitation is not required? 3-phase synchronous generator 3-phase synchronous motor hysteresis motor reluctance motor 3-phase synchronous generator 3-phase synchronous motor hysteresis motor reluctance motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is universal motor. reluctance motor. repulsion motor. AC series motor. universal motor. reluctance motor. repulsion motor. AC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is paper mills. blowers. jaw crushers. lifts and hoists. paper mills. blowers. jaw crushers. lifts and hoists. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is armature. core. none of these. magnetic field poles. armature. core. none of these. magnetic field poles. ANSWER DOWNLOAD EXAMIANS APP
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