DC Generators The effect of armature reaction is to Decrease the total flux Make the air gap flux uniform Increase the total flux None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is None of the listed here Equal to half of constant loss Equal to Constant loss Equal to double the constant loss None of the listed here Equal to half of constant loss Equal to Constant loss Equal to double the constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of parallel paths in a simplex lap winding is equal to Number of pairs of poles Number of poles 2 None of the listed here Number of pairs of poles Number of poles 2 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Cast steel Soft iron Silocon steel Wrought iron Cast steel Soft iron Silocon steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators High voltage dc machine use _____ winding. Wave Lap None of the listed here Either lap or wave Wave Lap None of the listed here Either lap or wave ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator Contact resistance is decreased Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator Contact resistance is decreased ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS