DC Generators The insulating material used between the commutator segments is normally Mica Paper Graphite Insulating varnish Mica Paper Graphite Insulating varnish ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Twice the number of poles None of the listed here Numbers of conductors Number of coils Twice the number of poles None of the listed here Numbers of conductors Number of coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Save iron Reduce losses Reduce armature reaction Facilitate commutation Save iron Reduce losses Reduce armature reaction Facilitate commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. Two times the Three times None of the listed here One-half of Two times the Three times None of the listed here One-half of ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? None of these Metal graphite brushes Graphite brushes Carbon brushes None of these Metal graphite brushes Graphite brushes Carbon brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the leading Weaknes the flux at the trailing None of the listed here Strengthns the flux at the leading Weaknes the flux at the leading Weaknes the flux at the trailing None of the listed here Strengthns the flux at the leading ANSWER DOWNLOAD EXAMIANS APP
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