DC Generators In a D.C. generator the critical resistance refers to the resistance of Load Field Armature Brushes Load Field Armature Brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. Shunt Flat compounded Series None of the listed here Shunt Flat compounded Series None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 2 8 4 6 2 8 4 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 5 m 0.05 mm 0.005 mm 0.5 m 5 m 0.05 mm 0.005 mm 0.5 m ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Iron loss Constant loss Mechanical loss Stray loss Iron loss Constant loss Mechanical loss Stray loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here Carbon is cheap Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here Carbon is cheap ANSWER DOWNLOAD EXAMIANS APP
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