DC Generators D.C. generator generally preferred for charging automobile batteries is Series generator Shunt generator Any of the above Long shunt compound generator Series generator Shunt generator Any of the above Long shunt compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Interpoles Compensating winding Shifting of axis of brushes Dummy coils Interpoles Compensating winding Shifting of axis of brushes Dummy coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators Open circuited armature coil of a D.C. machine is Indicated by a spark completely around the commutator Identified by the scarring of the commutator segment to which open circuited coil is connected None of these Both of the listed here Indicated by a spark completely around the commutator Identified by the scarring of the commutator segment to which open circuited coil is connected None of these Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Abrasion from dust Excessive spring pressure Rough commutator bars All of these Abrasion from dust Excessive spring pressure Rough commutator bars All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Flux density Reluctance Ampere turns Resistance Flux density Reluctance Ampere turns Resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections ANSWER DOWNLOAD EXAMIANS APP
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