DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Small The same as rated voltage High Zero Small The same as rated voltage High Zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.005 mm 0.5 m 0.05 mm 5 m 0.005 mm 0.5 m 0.05 mm 5 m ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide None of the listed here Less current but more voltage More current but less voltage More current and more voltage None of the listed here Less current but more voltage More current but less voltage More current and more voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Magnetic and mechanical losses Magnetic and copper losses None of the listed here Mechanical and copper losses Magnetic and mechanical losses Magnetic and copper losses None of the listed here Mechanical and copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The critical resistance of the D.C. generator is the resistance of Armature Field Brushes Load Armature Field Brushes Load ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine The brushes of same polarity should track each other All of these The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving The brushes of same polarity should track each other All of these The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving ANSWER DOWNLOAD EXAMIANS APP
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