DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the leading Strengthns the flux at the leading Weaknes the flux at the trailing None of the listed here Weaknes the flux at the leading Strengthns the flux at the leading Weaknes the flux at the trailing None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Permanent magnets Both (A) and (B) Electromagnets None of these Permanent magnets Both (A) and (B) Electromagnets None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator None of the listed here Mica and copper are equally hard Mica is harder than copper Copper is harder than mica None of the listed here Mica and copper are equally hard Mica is harder than copper Copper is harder than mica ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Flat compounded Shunt Over compounded Series Flat compounded Shunt Over compounded Series 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 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 increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to Increase the total flux None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux None of the listed here Decrease the total flux Make the air gap flux uniform ANSWER DOWNLOAD EXAMIANS APP