DC Generators High voltage dc machine use _____ winding. None of the listed here Lap Either lap or wave Wave None of the listed here Lap Either lap or wave Wave ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ 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 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Lap winding High resistance winding material Iron commutator Magnetic material of high permeability Lap winding High resistance winding material Iron commutator Magnetic material of high permeability ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 8 pole 6 pole 4 pole 2 pole 8 pole 6 pole 4 pole 2 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. Three times One-half of None of the listed here Two times the Three times One-half of None of the listed here Two times the ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator Is different for different generators Is similar for all types of generators May be same or different None of the listed here Is different for different generators Is similar for all types of generators May be same or different None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS