Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: 50 Hz. Zero Hz. 100 Hz. 25 Hz. 50 Hz. Zero Hz. 100 Hz. 25 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in in both machines. none of above. synchronous motor. induction motor. in both machines. none of above. synchronous motor. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shaded pole single phase induction motor can be used for food mixers wet grinders tape recorders personal computers as cooling fan food mixers wet grinders tape recorders personal computers as cooling fan ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Cage induction motor. Synchronous motors. Split phase IM. Shaded pole IM. Cage induction motor. Synchronous motors. Split phase IM. Shaded pole IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The magnetic field which initially induces emf in the armature in a self excited DC generator is because of residual magnetism. armature reaction. None of these permanent magnets. residual magnetism. armature reaction. None of these permanent magnets. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor cannot be started on no load? cumulative compound motors shunt motors series motors both B and C cumulative compound motors shunt motors series motors both B and C ANSWER DOWNLOAD EXAMIANS APP
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