Electrical Machines Normally for the design of transformer the ambient temperature is taken as 45°C. 35°C. 27°C. 32°C. 45°C. 35°C. 27°C. 32°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is lagging power factor. None of these unity power factor. leading power factor. lagging power factor. None of these unity power factor. leading power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. none of these. has no relation. inversely. directly. none of these. has no relation. inversely. directly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field connection of a DC Shunt Motor is changed then motor will not run. it will run in same direction by slowly. it will run in same direction. it will run in opposite direction. motor will not run. it will run in same direction by slowly. it will run in same direction. it will run in opposite direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine, the armature windings are placed on the rotor because of necessity for generation of voltage. development of torque. commutation. electromechanical energy conversion. generation of voltage. development of torque. commutation. electromechanical energy conversion. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Zero S.Ns Ns Nr Zero S.Ns Ns Nr ANSWER DOWNLOAD EXAMIANS APP