Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Shunt. Differently compounded. Series. Cummulative compound. Shunt. Differently compounded. Series. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 3-phase induction motor operating in its stable region 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. decreases with increase in the load torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Thin laminations are used in a machine in order to reduce Both 1 and 2 Hysteresis losses Copper losses Eddy current losses Both 1 and 2 Hysteresis losses Copper losses Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Armature resistance. None of above. Residual magnetism of the generator. Field resistance. Armature resistance. None of above. Residual magnetism of the generator. Field resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ IM in order to eliminate cogging the number of stator slots must be unequal to number of rotor slots and skewed in shape. either (B) or (C). equal to number of rotor slots. an integral multiple of number of rotor slots. unequal to number of rotor slots and skewed in shape. either (B) or (C). equal to number of rotor slots. an integral multiple of number of rotor slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant torque. current. power. speed. torque. current. power. speed. ANSWER DOWNLOAD EXAMIANS APP
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