Electrical Machines A 230 volt dc motor has an armature winding resistance of 0.5 ohm. Calculate the emf induced by the motor if the full load armature current is 23 ampere. 120 volt. None of these. 218.5 volt. 220.4 volt. 120 volt. None of these. 218.5 volt. 220.4 volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The primary and secondary windings of a transformer are conductively linked. inductively linked. electrically linked. mechanically linked. conductively linked. inductively linked. electrically linked. mechanically linked. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is used in grinders? Synchronous motor. Split phase IM. Capacitor start capacitor run IM. Capacitor start IM. Synchronous motor. Split phase IM. Capacitor start capacitor run IM. Capacitor start IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg ) 1600 Volt. 2000 Volt. 0 Volt. 1500 Volt. 1600 Volt. 2000 Volt. 0 Volt. 1500 Volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of a DC motor is laminated to reduce friction and windage loss. hysteresis loss. copper loss. eddy current loss. friction and windage loss. hysteresis loss. copper loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be lightly loaded and over excited heavily loaded and underexcited heavily loaded and over excited lightly loaded and underecited lightly loaded and over excited heavily loaded and underexcited heavily loaded and over excited lightly loaded and underecited ANSWER DOWNLOAD EXAMIANS APP
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