DC Generators The essential condition for parallel operation of two D.C. generators is that they have Same kW rating Same percentage regulation The same drooping voltage characteristics The same operation r.p.m. Same kW rating Same percentage regulation The same drooping voltage characteristics The same operation r.p.m. ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 1% regulation 100% regulation Infinite regulation 50% regulation 1% regulation 100% regulation Infinite regulation 50% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Armature current Data is insufficient Field current None of the listed here Armature current Data is insufficient Field current None of the listed here 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 reverse the field connections increase the speed of primemover check armature insulation resistance increase the field resistance reverse the field connections increase the speed of primemover check armature insulation resistance increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 10 150 100 50 10 150 100 50 ANSWER DOWNLOAD EXAMIANS APP