Alternators The efficiency of the turbo-alternator _____ with increases in speed. Remians unchanged Decreases None of the listed here Increases Remians unchanged Decreases None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 5 times smaller than 5 times greater than 10 to 100 times greater than 10 times smaller than 5 times smaller than 5 times greater than 10 to 100 times greater than 10 times smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator the armature reaction is mainly influenced by Speed of the alternator The power factor of the load Short circuit ratio Total current drawn Speed of the alternator The power factor of the load Short circuit ratio Total current drawn ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Decreases Remains unchanged Increases None of the listed here Decreases Remains unchanged Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Full armature voltage Very low voltage Extra high tension voltage Low voltage Full armature voltage Very low voltage Extra high tension voltage Low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal Harmonics are introduced Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal Harmonics are introduced ANSWER DOWNLOAD EXAMIANS APP
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