Electrical Machines Direction of the current in the compensating winding is________ to the direction of current in the armature conductors? same None of these exactly opposite either of these same None of these exactly opposite either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt motor has external resistance Ra and Rf in the armature and field circuits respectively. Armature current at starting can be reduced by keeping Rf maximum and Ra minimum Ra maximum and Rf minimum Ra maximum and Rf maximum Ra minimum and Rf minimum Rf maximum and Ra minimum Ra maximum and Rf minimum Ra maximum and Rf maximum Ra minimum and Rf minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor during DC rheostatic braking is 2 + s. 1 - s. 2 - s. s. 2 + s. 1 - s. 2 - s. s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 3-phase induction motor operating in its stable region decreases with increase in the load torque. decreases with decrease in the load torque. increases with increase in the load torque. remains constant. decreases with increase in the load torque. decreases with decrease in the load torque. increases with increase in the load torque. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 0.1 µF. 1 - 2 µF. 5 - 10 F. 2 - 3 µF. 0.1 µF. 1 - 2 µF. 5 - 10 F. 2 - 3 µF. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 460 V 115 V 200 V 230 V 460 V 115 V 200 V 230 V ANSWER DOWNLOAD EXAMIANS APP
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