Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 2000. 500. 1000. 0. 2000. 500. 1000. 0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in series motors None of these either of these shunt motors series motors None of these either of these shunt motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motors are used in cranes food processing All of these traction cranes food processing All of these traction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Copper brushes in DC machine are used None of these where low voltage and high currents are involved. where high voltage and low current. in both of above cases. None of these where low voltage and high currents are involved. where high voltage and low current. in both of above cases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator runs at 750 rpm and generate an emf of 240 V. The armature is wave wound and has 792 conductors. If the total flux from each pole is 0.0145 Wb. What is the leakage co-efficient? 1.8. 1.4. 1.5. 1.2. 1.8. 1.4. 1.5. 1.2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalance 3 - Φ stator currents cause heating of rotor. All of these double frequency currents in the rotor. vibrations. heating of rotor. All of these double frequency currents in the rotor. vibrations. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS