Electrical Machines In single phase rotary converter the number of slip rings will be four. three. two. six. four. three. two. six. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the rotating losses of machine? Friction and windage losses All of the them Hysteresis losses Eddy current losses Friction and windage losses All of the them Hysteresis losses Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of high torque motor. high speed motor. single phase induction motor. low horse power motor. high torque motor. high speed motor. single phase induction motor. low horse power motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is core. armature. magnetic field poles. none of these. core. armature. magnetic field poles. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to any of these. heating. vibrations. over excitation. any of these. heating. vibrations. over excitation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc series motor driving and electric train faces a constant power load. It is running at rated speed and rated voltage. If the speed has to be brought down to 0.25 p.u. the supply voltage has to be approximately brought down to 0.25 p.u 0.75 p.u 0.125 p.u 0.5 p.u 0.25 p.u 0.75 p.u 0.125 p.u 0.5 p.u ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS