Electrical Machines If input of a transformer is square wave the output will be pulsed wave. triangular wave. square wave. sine wave. pulsed wave. triangular wave. square wave. sine wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following relation is correct? None of these Xd < Xq. Xd = Xq. Xd > Xq. None of these Xd < Xq. Xd = Xq. Xd > Xq. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging and crawling are phenomena associated with the former during starting and the latter at a fraction of its rated speed. cage induction machines and they are essentially the same. the former at a fraction of its rate speed and the latter during starting. any of the above. the former during starting and the latter at a fraction of its rated speed. cage induction machines and they are essentially the same. the former at a fraction of its rate speed and the latter during starting. any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ IM in order to eliminate cogging the number of stator slots must be equal to number of rotor slots. either (B) or (C). unequal to number of rotor slots and skewed in shape. an integral multiple of number of rotor slots. equal to number of rotor slots. either (B) or (C). unequal to number of rotor slots and skewed in shape. an integral multiple of number of rotor slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt motor runs at a no-load speed of 1140 rpm. At full load, armature reaction weakens the main flux by 5% whereas the armature circuit voltage drops by 10%. The motor full-load speed in rpm is 1200 1203 1000 1080 1200 1203 1000 1080 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machine armature windings are placed on rotor because of the necessity for commutation. development of torque. electromechanical energy conversion. generation of voltage. commutation. development of torque. electromechanical energy conversion. generation of voltage. ANSWER DOWNLOAD EXAMIANS APP
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