Electrical Machines A frog leg winding is used in a DC machine to eliminate the use drum winding. the use of compensating winding. reactance voltage produced due to communication. the use equalizer in lap winding. the use drum winding. the use of compensating winding. reactance voltage produced due to communication. the use equalizer in lap winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on rotor speed. synchronous speed. core loss component. shaft torque. rotor speed. synchronous speed. core loss component. shaft torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating windings is placed in which part of a D.C motor? On armature. None of these On yoke in the inter pole gap. On yoke in the pole faces. On armature. None of these On yoke in the inter pole gap. On yoke in the pole faces. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On switching a DC motor to DC supply mains, it is found to rotate in the direction opposite to that for which it is designed. The DC motor is Differentical compound. Series shunt. have an equal number of electrons and protons. Cummulative compound. Differentical compound. Series shunt. have an equal number of electrons and protons. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. directly. inversely. none of these. has no relation. directly. inversely. none of these. has no relation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on reactance voltage load angle both 1and 2 reactance voltage load angle both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
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