Electrical Machines No load saturation characteristics are plotted between short circuit current and armature current no load voltage and armature current short circuit current and field current no load voltage and field current short circuit current and armature current no load voltage and armature current short circuit current and field current no load voltage and field current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating part of DC motor is known as Armature. Pole. Carbone brush. Starter. Armature. Pole. Carbone brush. Starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Satisfactory commutation of DC machine requires brushes should smoothly run in the holders. brushes should be of proper grade and size. smooth, concentric commutator properly undercut. All of these brushes should smoothly run in the holders. brushes should be of proper grade and size. smooth, concentric commutator properly undercut. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is 16/9. 4/3. 3/4. 9/16. 16/9. 4/3. 3/4. 9/16. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of IM the torque is directly proportional to slip2. directly proportional to slip. inversely proportional to slip. inversely proportional to √slip. directly proportional to slip2. directly proportional to slip. inversely proportional to slip. inversely proportional to √slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of 2 / 3. 4 / 5. 6 / 7. 5 / 6. 2 / 3. 4 / 5. 6 / 7. 5 / 6. ANSWER DOWNLOAD EXAMIANS APP