DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.005 mm 0.5 m 5 m 0.05 mm 0.005 mm 0.5 m 5 m 0.05 mm ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Commutating poles Field poles Yoke Armature Commutating poles Field poles Yoke Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Variable loss Stray loss Constant loss None of the listed here Variable loss Stray loss Constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon is cheap None of the listed here Contact resistance is decreased Carbon lubricates and polishes the commutator Carbon is cheap None of the listed here Contact resistance is decreased Carbon lubricates and polishes the commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of parallel paths in a simplex lap winding is equal to Number of poles None of the listed here Number of pairs of poles 2 Number of poles None of the listed here Number of pairs of poles 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has Capacitance Inductance Resistance None of the listed here Capacitance Inductance Resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP