DC Generators D.C. generator generally preferred for charging automobile batteries is Series generator Long shunt compound generator Shunt generator Any of the above Series generator Long shunt compound generator Shunt generator Any of the above 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
DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is their rising voltage characteristics unequal speed regulation of their primemovers unequal number of turns in their series field windings unequal series field resistances their rising voltage characteristics unequal speed regulation of their primemovers unequal number of turns in their series field windings unequal series field resistances ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Field weakening due to armature reaction and armature Armature resistance drop Armature reaction Commutation Field weakening due to armature reaction and armature Armature resistance drop Armature reaction Commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators For a D.C. machines laboratory following type of D.C. supply will be suitable Rotary converter 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 ANSWER DOWNLOAD EXAMIANS APP
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