DC Generators The voltage drop for which of the following types of brush can be expected to be least? Carbon brushes Graphite brushes None of these Metal graphite brushes Carbon brushes Graphite brushes None of these Metal graphite brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. About the same as None of the listed here More than Less than About the same as None of the listed here More than Less than ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? No residual magnetism Speed too high Wrong direction of rotation Open field No residual magnetism Speed too high Wrong direction of rotation Open field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. An open circuit A closed circuit Partly open circuit and partly closed circuit None of the listed here An open circuit A closed circuit Partly open circuit and partly closed circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Half the number of poles Double the number of poles Same as the number of poles Two Half the number of poles Double the number of poles Same as the number of poles Two 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 _____ 60 V 360 V 1500 V 250 V 60 V 360 V 1500 V 250 V ANSWER DOWNLOAD EXAMIANS APP