Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 60 Hz None of the listed here 50 Hz 120 Hz 60 Hz None of the listed here 50 Hz 120 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is increased Remains the same None of the listed here Is decreased Is increased Remains the same None of the listed here Is decreased ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Zero Unity Leading Lagging Zero Unity Leading Lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually Much lower than that of power transformer Much higher than that of a power transformer Equal to that of power transformer None of the listed here Much lower than that of power transformer Much higher than that of a power transformer Equal to that of power transformer None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The dark and bright lamp method is used for Phase sequence Synchronizing Balancing of load Transfer of load Phase sequence Synchronizing Balancing of load Transfer of load ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on None of the listed here Number of poles only Rotative speed only Both rotative speed and number of poles None of the listed here Number of poles only Rotative speed only Both rotative speed and number of poles ANSWER DOWNLOAD EXAMIANS APP
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