Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 500 rpm 2000 rpm 1000 rpm 250 rpm 500 rpm 2000 rpm 1000 rpm 250 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 3-phase induction motor operating in its stable region remains constant. increases with increase in the load torque. decreases with increase in the load torque. decreases with decrease in the load torque. remains constant. increases with increase in the load torque. decreases with increase in the load torque. decreases with decrease in the load torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Autotransformer makes effective saving on copper and copper losses, when its transformation ratio is equal to less than one. greater than one. approx to one. very low less than one. greater than one. approx to one. very low ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During no load test, an induction motor draws power only for the small copper loss. for copper loss and windage friction loss. for core loss and windage and friction loss. for core loss and copper loss. only for the small copper loss. for copper loss and windage friction loss. for core loss and windage and friction loss. for core loss and copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting phenomenon is observed in which motor? Both A and C. DC motor. Synchronous motor. Induction motor. Both A and C. DC motor. Synchronous motor. Induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC compound motors are generally Differentical compound. Cummulative compound. Level Compound. None of these. Differentical compound. Cummulative compound. Level Compound. None of these. ANSWER DOWNLOAD EXAMIANS APP
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