Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? 0.5 1 any of the above 0 0.5 1 any of the above 0 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? Shunt. Differntical compound. Cummulative compound. Series. Shunt. Differntical compound. Cummulative compound. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. salient. none of these. non uniform cylindrical. cylindrical. salient. none of these. non uniform cylindrical. cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for commutation generation of voltage development of torque electromechanical energy conversion commutation generation of voltage development of torque electromechanical energy conversion ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When an electric train is moving down a hill, the DC motor will operate as DC shunt motor. DC shunt generator. DC series generator. DC series motor. DC shunt motor. DC shunt generator. DC series generator. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ IM with line frequency f1 and winding factor kw1 and kw2 for stator and rotor respectively the ratio of per phase stator winding emf E1 to per phase rotor winding emf E2 at standstill is given by E1 / E2 = N1kw1 / N2kw2. E1 / E2 = f1kw1 / f2kw2. E1 / E2 = N1 / N2. E1 / E2 = 1. E1 / E2 = N1kw1 / N2kw2. E1 / E2 = f1kw1 / f2kw2. E1 / E2 = N1 / N2. E1 / E2 = 1. ANSWER DOWNLOAD EXAMIANS APP
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