Electrical Machines Hysteresis loop represents the area of hysteresis loss total iron losses eddy current loss copper loss hysteresis loss total iron losses eddy current loss copper loss ANSWER DOWNLOAD EXAMIANS APP
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. None of these. 220.4 volt. 120 volt. 218.5 volt. None of these. 220.4 volt. 120 volt. 218.5 volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 850 rpm 950 rpm 900 rpm 1000 rpm 850 rpm 950 rpm 900 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening control method is used for the _________ ? None of these both A and B above rated speed below rated speed None of these both A and B above rated speed below rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is separately excited. shunt connected. differentially compounded. cumulatively compounded. separately excited. shunt connected. differentially compounded. cumulatively compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator the voltage generated per phase is proportional to flux per pole. frequency of waveform. number of turns in coil. All of these flux per pole. frequency of waveform. number of turns in coil. All of these ANSWER DOWNLOAD EXAMIANS APP