DC Generators Small dc machines generally have _____ poles. 8 4 6 2 8 4 6 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____ 250 V 360 V 60 V 1500 V 250 V 360 V 60 V 1500 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the leading Weaknes the flux at the trailing Strengthns the flux at the leading None of the listed here Weaknes the flux at the leading Weaknes the flux at the trailing Strengthns the flux at the leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ None of the listed here Carbon lubricates and polishes the commutator Carbon is cheap Contact resistance is decreased None of the listed here Carbon lubricates and polishes the commutator Carbon is cheap Contact resistance is decreased ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is Directly proportional to sqaure of thickness of each lamination Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination None of the listed here Directly proportional to sqaure of thickness of each lamination Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination None of the listed here ANSWER DOWNLOAD EXAMIANS APP