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 speed of primemover reverse the field connections increase the field resistance check armature insulation resistance increase the speed of primemover reverse the field connections increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of parallel paths in a simplex lap winding is equal to Number of poles Number of pairs of poles 2 None of the listed here Number of poles Number of pairs of poles 2 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Frictional loss and copper loss Field copper loss and iron loss Iron and friction losses Copper and iron losses Frictional loss and copper loss Field copper loss and iron loss Iron and friction losses Copper and iron losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Numbers of conductors Twice the number of poles Number of coils None of the listed here Numbers of conductors Twice the number of poles Number of coils None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Aid None of the listed here Oppose Sometime aid, sometime oppose Aid None of the listed here Oppose Sometime aid, sometime oppose ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 4 8 6 2 4 8 6 2 ANSWER DOWNLOAD EXAMIANS APP