Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Low voltage Extra high tension voltage Very low voltage Full armature voltage Low voltage Extra high tension voltage Very low voltage Full armature voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Field excitation of alternators Driving torques of prime movers Phase sequence None of the listed here Field excitation of alternators Driving torques of prime movers Phase sequence None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ? Ninth Fifth Seventh Third Ninth Fifth Seventh Third ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually Much lower than that of power transformer Equal to that of power transformer None of the listed here Much higher than that of a power transformer Much lower than that of power transformer Equal to that of power transformer None of the listed here Much higher than that of a power transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Complex effects of armature reaction Large leakage reactance Large armature resistance None of the listed here Complex effects of armature reaction Large leakage reactance Large armature resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators have rotors of _______ Large diameter and small axial length Small diameter and long axial length Same diameter and axial length Large diameter and long axial length Large diameter and small axial length Small diameter and long axial length Same diameter and axial length Large diameter and long axial length ANSWER DOWNLOAD EXAMIANS APP
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