Electrical Machines In a DC generator the actual flux distribution depends upon shape of the pole shoe. clearance between tips of the adjacent pole shoes. all of above. size of air gap. shape of the pole shoe. clearance between tips of the adjacent pole shoes. all of above. size of air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 8. 4. 32. 16. 8. 4. 32. 16. ANSWER DOWNLOAD EXAMIANS APP
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 cross-magnetization as well as demagnetization. demagnetisation. cross-magnetisation. none of above. cross-magnetization as well as demagnetization. demagnetisation. cross-magnetisation. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction effect is more in which of the following methods? field weakening method armature resistance control same in both methods None of these field weakening method armature resistance control same in both methods None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? Rotation can be changed by reversing main winding terminals. None of these. Rotation can be changed by interchanging supply terminals. Direction of rotation cannot be changed. Rotation can be changed by reversing main winding terminals. None of these. Rotation can be changed by interchanging supply terminals. Direction of rotation cannot be changed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The breakdown torque of a synchronous motor varies as applied voltage V 1/V 1/V² V² applied voltage V 1/V 1/V² V² ANSWER DOWNLOAD EXAMIANS APP