Electrical Machines When operating, two or more transformers in parallel, % impedance of these transformers should be such that actual impedance of all transformers would be same. proportionate to MVA rating of transformers. same. inversely proportional to MVA rating of transformers. such that actual impedance of all transformers would be same. proportionate to MVA rating of transformers. same. inversely proportional to MVA rating of transformers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Capacitor run type. Capacitor start. Split phase type. Shaded pole type. Capacitor run type. Capacitor start. Split phase type. Shaded pole type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? DC shunt generator. Compounded DC generator. None of these. DC series generator. DC shunt generator. Compounded DC generator. None of these. DC series generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net voltage across the armature resistance at the time of plugging will be 240 V 474 V 6 V 234 V 240 V 474 V 6 V 234 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? armature current (I) flux (φ) both A and B speed armature current (I) flux (φ) both A and B speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous reactance( Xs) is the reactance either due to armature reaction or leakage flux reactance due to leakage flux reactance due to armature reaction of the machine combined reactance due to armature reaction and leakage flux reactance either due to armature reaction or leakage flux reactance due to leakage flux reactance due to armature reaction of the machine combined reactance due to armature reaction and leakage flux ANSWER DOWNLOAD EXAMIANS APP
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