Electrical Machines Which of the following relation is correct? Xd = Xq. Xd > Xq. None of these Xd < Xq. Xd = Xq. Xd > Xq. None of these Xd < Xq. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? Equal to 1. Same as full load. Low. High. Equal to 1. Same as full load. Low. High. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-winding single-phase motor has low starting torque. starting torque equal to full-load torque. high starting torque. zero starting torque. low starting torque. starting torque equal to full-load torque. high starting torque. zero starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results open circuit. increase in speed. short circuit. decrease in speed. open circuit. increase in speed. short circuit. decrease in speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 120 KW, 50 Hz, star connected synchronous motor operating at 0.8 power factor leading has full load efficiency of 91%. The armature resistance is equal to 0.08Ω. The magnitude of armature current is nearly equal to 240 A. 173 A. 127 A. 190 A. 240 A. 173 A. 127 A. 190 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 250 A. 570 A. 460 A. 340 A. 250 A. 570 A. 460 A. 340 A. ANSWER DOWNLOAD EXAMIANS APP
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