Electrical Machines The commutator segments of DC machines are made up of copper alloy hard-drawn copper copper brass copper alloy hard-drawn copper copper brass ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Triangular and directed towards main pole. Peaky in nature. Saddle shape. Triangular and directed towards brush axis. Triangular and directed towards main pole. Peaky in nature. Saddle shape. Triangular and directed towards brush axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? 0 1 any of the above 0.5 0 1 any of the above 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use Slip induction motor. DC shunt motor. Partial motor. Universal motor. Slip induction motor. DC shunt motor. Partial motor. Universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is magnetic field poles. none of these. armature. core. magnetic field poles. none of these. armature. core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a practical synchronous motor the pull out torque will occur when the torque angle is nearly equal to 45°. 75°. 30°. 0°. 45°. 75°. 30°. 0°. ANSWER DOWNLOAD EXAMIANS APP