DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 5 m 0.5 m 0.05 mm 0.005 mm 5 m 0.5 m 0.05 mm 0.005 mm ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. Two times the None of the listed here One-half of Three times Two times the None of the listed here One-half of Three times ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Frictional loss and copper loss Copper and iron losses Field copper loss and iron loss Iron and friction losses Frictional loss and copper loss Copper and iron losses Field copper loss and iron loss Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as None of the listed here A load A rectifier An amplifier None of the listed here A load A rectifier An amplifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Variable loss Constant loss None of the listed here Stray loss Variable loss Constant loss None of the listed here Stray loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon lubricates and polishes the commutator None of the listed here Contact resistance is decreased Carbon is cheap Carbon lubricates and polishes the commutator None of the listed here Contact resistance is decreased Carbon is cheap ANSWER DOWNLOAD EXAMIANS APP