Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. non uniform cylindrical. none of these. salient. cylindrical. non uniform cylindrical. none of these. salient. cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC motors will have percentage increase of input current for the same percentage increase in torque? Series. Cummulative compound. Shunt. Differntical compound. Series. Cummulative compound. Shunt. Differntical compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the increase in the torque expressed as percentage of initial torque, if current drawn by the dc series motor is increased from 10A to 11A? 11% 10% 41% 21% 11% 10% 41% 21% 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. 220.4 volt. 120 volt. None of these. 218.5 volt. 220.4 volt. 120 volt. None of these. 218.5 volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts Both AC to DC and DC to AC. none of these. AC to DC. high voltage DC to low voltage DC. Both AC to DC and DC to AC. none of these. AC to DC. high voltage DC to low voltage DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase supply voltage supply frequency rotor resistance None of these supply voltage supply frequency rotor resistance None of these ANSWER DOWNLOAD EXAMIANS APP
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