Alternators Iron and friction losses of an alternator can be measured by a Transformer None of the listed here Rectifier Dc motor Transformer None of the listed here Rectifier Dc motor ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce distortion of waveform Reduce eddy current losses Strengthen the magnetic field Cool the machine Reduce distortion of waveform Reduce eddy current losses Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Alternators The magnitude of emf generated by an alternators depends on ______ All of the listed here Flux per pole Rotor speed Number of poles All of the listed here Flux per pole Rotor speed Number of poles ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging Unity 0.866 lagging 0.866 leading 0.5 lagging Unity 0.866 lagging 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
Alternators The airgap in an alternator is ________ in an induction motor. Much longer than About same as Much shorter than None of the listed here Much longer than About same as Much shorter than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be More costly Larger in size Operating at high rpm More efficient More costly Larger in size Operating at high rpm More efficient ANSWER DOWNLOAD EXAMIANS APP