DC Generators The yoke of a dc machine carries ______ pole flux. Three times None of the listed here One-half of Two times the Three times None of the listed here One-half of Two times the 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 The voltage drop for which of the following types of brush can be expected to be least? Metal graphite brushes None of these Graphite brushes Carbon brushes Metal graphite brushes None of these Graphite brushes Carbon brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole duplex lap winding will have ______ parallel paths. 4 16 32 8 4 16 32 8 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 check armature insulation resistance increase the speed of primemover increase the field resistance reverse the field connections check armature insulation resistance increase the speed of primemover increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Copper and iron losses Frictional loss and copper loss Iron and friction losses Field copper loss and iron loss Copper and iron losses Frictional loss and copper loss Iron and friction losses Field copper loss and iron loss ANSWER DOWNLOAD EXAMIANS APP