DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature reaction Armature resistance drop Field weakening due to armature reaction and armature Commutation Armature reaction Armature resistance drop Field weakening due to armature reaction and armature Commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to None of the listed here Thrice the pole pitch Pole pitch Twice the pole pitch None of the listed here Thrice the pole pitch Pole pitch Twice the pole pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on Number of conductors All of the listed here Cross sectional area of the conductor Length of conductor Number of conductors All of the listed here Cross sectional area of the conductor Length of conductor ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 8 2 6 4 8 2 6 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.05 mm 0.005 mm 0.5 m 5 m 0.05 mm 0.005 mm 0.5 m 5 m ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Aid None of the listed here Sometime aid, sometime oppose Oppose Aid None of the listed here Sometime aid, sometime oppose Oppose ANSWER DOWNLOAD EXAMIANS APP