DC Generators Magnetic field in a D.C. generator is produced by Permanent magnets Electromagnets Both (A) and (B) None of these Permanent magnets Electromagnets Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Resistance wires Brazing Insulation pads Copper lugs Resistance wires Brazing Insulation pads Copper lugs ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. Series Flat compounded None of the listed here Shunt Series Flat compounded None of the listed here Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 2 6 4 8 2 6 4 8 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? No residual magnetism Speed too high Wrong direction of rotation Open field No residual magnetism Speed too high Wrong direction of rotation Open field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Mechanical loss Stray loss Constant loss Iron loss Mechanical loss Stray loss Constant loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
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