DC Generators The nature of armature winding of a dc machine is decided by Back pitch None of the listed here Commutator pitch Front pitch Back pitch None of the listed here Commutator pitch Front pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have The same drooping voltage characteristics Same percentage regulation Same kW rating The same operation r.p.m. The same drooping voltage characteristics Same percentage regulation Same kW rating The same operation r.p.m. 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 check armature insulation resistance increase the field resistance increase the speed of primemover reverse the field connections check armature insulation resistance increase the field resistance increase the speed of primemover reverse the field connections 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 ______ 150 50 100 10 150 50 100 10 ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 2 pole 6 pole 4 pole 8 pole 2 pole 6 pole 4 pole 8 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Sometime aid, sometime oppose None of the listed here Oppose Aid Sometime aid, sometime oppose None of the listed here Oppose Aid ANSWER DOWNLOAD EXAMIANS APP
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