Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Extra high tension voltage Very low voltage Low voltage Full armature voltage Extra high tension voltage Very low voltage Low voltage Full armature voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators are usually design to generate Definite frequencies Definite currents Variable frequncies Definite power factor Definite frequencies Definite currents Variable frequncies Definite power factor ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Reduce distortion of waveform Reduce eddy current losses Cool the machine Strengthen the magnetic field Reduce distortion of waveform Reduce eddy current losses Cool the machine Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ Dc field excitation None of the listed here Leakage flux Armature reaction Dc field excitation None of the listed here Leakage flux Armature reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. More than None of the listed here About the same as Less than More than None of the listed here About the same as Less than ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator the armature reaction is mainly influenced by Speed of the alternator Total current drawn Short circuit ratio The power factor of the load Speed of the alternator Total current drawn Short circuit ratio The power factor of the load ANSWER DOWNLOAD EXAMIANS APP
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