DC Generators High voltage dc machine use _____ winding. Lap None of the listed here Either lap or wave Wave Lap None of the listed here Either lap or wave Wave ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon lubricates and polishes the commutator None of the listed here Contact resistance is decreased Carbon is cheap Carbon lubricates and polishes the commutator None of the listed here Contact resistance is decreased Carbon is cheap ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Armature Yoke Commutating poles Field poles Armature Yoke Commutating poles Field poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator? Commutator Eye bolt Equalizer rings Dummy coils Commutator Eye bolt Equalizer rings Dummy coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the leading None of the listed here Weaknes the flux at the trailing Strengthns the flux at the leading Weaknes the flux at the leading None of the listed here Weaknes the flux at the trailing Strengthns the flux at the leading ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.5 m 5 m 0.05 mm 0.005 mm 0.5 m 5 m 0.05 mm 0.005 mm ANSWER DOWNLOAD EXAMIANS APP