Electrical Machines A transformer has hysteresis loss of 30 W, at 240 V, 60 Hz. The hysteresis loss at 200 V, 50 Hz will be 28 W. 25 W. 30 W. 36 W. 28 W. 25 W. 30 W. 36 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of a DC machine is laminated to minimise hysteresis loss temperature rise mechanical loss eddy-current loss hysteresis loss temperature rise mechanical loss eddy-current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator in dc machine provide ----------------- rectification? half wave controlled full wave full wave controlled half wave half wave controlled full wave full wave controlled half wave ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc series motor driving and electric train faces a constant power load. It is running at rated speed and rated voltage. If the speed has to be brought down to 0.25 p.u. the supply voltage has to be approximately brought down to 0.75 p.u 0.25 p.u 0.5 p.u 0.125 p.u 0.75 p.u 0.25 p.u 0.5 p.u 0.125 p.u ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Cumulatively compound motor. Series motor. Differently compared motor. Shunt motor. Cumulatively compound motor. Series motor. Differently compared motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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