Electrical Machines Larger values of air flux density is taken while designing IM for larger bore diameter. none. both. larger output. larger bore diameter. none. both. larger output. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole lap wound dc generator has 4 brushes, if one of the brush is damaged, what will be the change in V, I and P ratings V, I and P V/2, I/2 and P/4 V, I/2 and P/2 V/2, I and P/2 V, I and P V/2, I/2 and P/4 V, I/2 and P/2 V/2, I and P/2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is increased, the power factor is leading power factor lagging power factor unity power factor None of these leading power factor lagging power factor unity power factor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic no-load axis. Magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? magnitude of load current both 1 and 2 power factor of load None of these magnitude of load current both 1 and 2 power factor of load None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors provided with open slots have more breakdown torque. higher efficiency. leading power factor. less breakdown torque. more breakdown torque. higher efficiency. leading power factor. less breakdown torque. ANSWER DOWNLOAD EXAMIANS APP
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