Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 lagging Unity 0.866 leading 0.5 lagging 0.866 lagging Unity 0.866 leading 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ Lagging VAR None of the listed here Leading VAR No reactive power Lagging VAR None of the listed here Leading VAR No reactive power ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on Rotative speed only None of the listed here Both rotative speed and number of poles Number of poles only Rotative speed only None of the listed here Both rotative speed and number of poles Number of poles only ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Remains unchanged Increases Decreases None of the listed here Remains unchanged Increases Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 to 100 times greater than 5 times greater than 10 times smaller than 5 times smaller than 10 to 100 times greater than 5 times greater than 10 times smaller than 5 times smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually Much lower than that of power transformer None of the listed here Equal to that of power transformer Much higher than that of a power transformer Much lower than that of power transformer None of the listed here Equal to that of power transformer Much higher than that of a power transformer ANSWER DOWNLOAD EXAMIANS APP
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