Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be none of above. cross-magnetisation. demagnetisation. cross-magnetization as well as demagnetization. none of above. cross-magnetisation. demagnetisation. cross-magnetization as well as demagnetization. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 37 74 36 72 37 74 36 72 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature flux is.............with respect to main field flux or main field poles? None of these rotates opposite direction stationary rotates same direction None of these rotates opposite direction stationary rotates same direction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous machine has P number of poles, find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm)? ωe = ωm ωe = P/2*ωm ωe = 2/P*ωm ωe = P*ωm ωe = ωm ωe = P/2*ωm ωe = 2/P*ωm ωe = P*ωm 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 0°. 75°. 30°. 45°. 0°. 75°. 30°. 45°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Turbo alternators. None of these Aame in both alternators. Hydro alternators. Turbo alternators. None of these Aame in both alternators. Hydro alternators. ANSWER DOWNLOAD EXAMIANS APP