Electrical Machines If we increase the rotor reactance value, the maximum torque will increase decrease None of these not changed increase decrease None of these not changed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the eddy current loss if the supply frequency of a transformer becomes double? Doubled. Four times. Eight times. Remains same. Doubled. Four times. Eight times. Remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? 1 any of the above 0.5 0 1 any of the above 0.5 0 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the ripples in the direct emf generated are reduced by employing carbon brushes. equalizer rings. commutator with large number of segments. graphite brushes. carbon brushes. equalizer rings. commutator with large number of segments. graphite brushes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? any of the above full load no load half load any of the above full load no load half load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a differentially compounded motor in the opposite direction differentially compounded motor in the same direction cumulative compounded motor in opposite direction cumulative compounded motor in the same direction differentially compounded motor in the opposite direction differentially compounded motor in the same direction cumulative compounded motor in opposite direction cumulative compounded motor in the same direction ANSWER DOWNLOAD EXAMIANS APP
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