DC Generators The voltage drop for which of the following types of brush can be expected to be least? Carbon brushes Metal graphite brushes None of these Graphite brushes Carbon brushes Metal graphite brushes None of these Graphite brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide More current but less voltage Less current but more voltage More current and more voltage None of the listed here More current but less voltage Less current but more voltage More current and more voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a lap winding, the number of the brushes required is equal to Number of poles Number of pairs of poles None of the listed here Commutator pitch Number of poles Number of pairs of poles None of the listed here Commutator pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators For a D.C. machines laboratory following type of D.C. supply will be suitable Mercury are rectifier Synchronous motor D.C. generator set Induction motor D.C. generator set Rotary converter Mercury are rectifier Synchronous motor D.C. generator set Induction motor D.C. generator set Rotary converter ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Case iron Carbon Stainless steel Silicon steel Case iron Carbon Stainless steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator Contact resistance is decreased Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator Contact resistance is decreased ANSWER DOWNLOAD EXAMIANS APP
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