Electrical Machines If input of a transformer is square wave the output will be square wave. pulsed wave. triangular wave. sine wave. square wave. pulsed wave. triangular wave. sine wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing the field of DC generator means creating residual magnetism by a DC source. making the magnetic losses forces parallel. increasing flux density by adding extra turns of winding. neutralising residual magnetism. creating residual magnetism by a DC source. making the magnetic losses forces parallel. increasing flux density by adding extra turns of winding. neutralising residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which one of the following statement is correct ? In an induction motor if the air gap is increased then its speed will increase its efficiency will improve its speed will reduce its power factor will reduce its speed will increase its efficiency will improve its speed will reduce its power factor will reduce ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production both A and B. static induced emf. dynamically induced emf. None of these both A and B. static induced emf. dynamically induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer has specifications as 250 KVA, 11000 V/415 V, 50 Hz. What are the values of primary and secondary currents? primary = 602 A, secondary = 22.7 A primary = 11.4 A, secondary = 301 A primary = 22.7 A, secondary = 602.4 A primary = 301 A, secondary = 22.7 A primary = 602 A, secondary = 22.7 A primary = 11.4 A, secondary = 301 A primary = 22.7 A, secondary = 602.4 A primary = 301 A, secondary = 22.7 A ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be three. four. six. two. three. four. six. two. ANSWER DOWNLOAD EXAMIANS APP
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