Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? increase decrease None of these either increase or decrease increase decrease None of these either increase or decrease 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% 10% 40% 5% 19% 10% 40% 5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use Slip induction motor. Universal motor. DC shunt motor. Partial motor. Slip induction motor. Universal motor. DC shunt motor. Partial motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine yoke offers both A and B mechanical protection to the machine produce working flux flux path completion both A and B mechanical protection to the machine produce working flux flux path completion ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Cummulative compound. Differential compound. Shunt. Series. Cummulative compound. Differential compound. Shunt. Series. 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 None of these. Decrease. Increase. Remains same. None of these. Decrease. Increase. Remains same. ANSWER DOWNLOAD EXAMIANS APP
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