Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 600 W 650 W 700 W 625 W 600 W 650 W 700 W 625 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC motors will have percentage increase of input current for the same percentage increase in torque? Cummulative compound. Differntical compound. Shunt. Series. Cummulative compound. Differntical compound. Shunt. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is none. maximum torque. starting torque. electromagnetic torque. none. maximum torque. starting torque. electromagnetic torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? DC series generator. Compounded DC generator. DC shunt generator. None of these. DC series generator. Compounded DC generator. DC shunt generator. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine the armature mmf is rotating with respect to field poles as well as armature. stationary with respect to field poles. stationary with respect to armature. rotating with respect to field poles. rotating with respect to field poles as well as armature. stationary with respect to field poles. stationary with respect to armature. rotating with respect to field poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each. 234.76 N-m. cant be determined. 266.20 N-m. 133.22 N-m 234.76 N-m. cant be determined. 266.20 N-m. 133.22 N-m ANSWER DOWNLOAD EXAMIANS APP
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