DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to Constant loss None of the listed here Equal to half of constant loss Equal to double the constant loss Equal to Constant loss None of the listed here Equal to half of constant loss Equal to double the constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Metal graphite brushes Carbon brushes Graphite brushes None of these Metal graphite brushes Carbon brushes Graphite brushes None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole , lap wound dc shunt generator has an armature winding consisting of 220 turns each of 0.004 Ω. The armature resistance is 0.5 Ω 0.025 Ω 0.055 Ω 1 Ω 0.5 Ω 0.025 Ω 0.055 Ω 1 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their identical voltage characteristics rising voltage characteristics linear voltage characteristics drooping voltage characteristics identical voltage characteristics rising voltage characteristics linear voltage characteristics drooping voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is their rising voltage characteristics unequal series field resistances unequal speed regulation of their primemovers unequal number of turns in their series field windings their rising voltage characteristics unequal series field resistances unequal speed regulation of their primemovers unequal number of turns in their series field windings ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____ 360 V 250 V 1500 V 60 V 360 V 250 V 1500 V 60 V ANSWER DOWNLOAD EXAMIANS APP
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