DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. About the same as More than None of the listed here Less than About the same as More than None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ 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 Carbon lubricates and polishes the commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the None of the listed here Field current Armature current Data is insufficient None of the listed here Field current Armature current Data is insufficient ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when The generator runs on full load There is no load on the generator The generator runs on overload The generator runs on designed speed The generator runs on full load There is no load on the generator The generator runs on overload The generator runs on designed speed ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. Partly open circuit and partly closed circuit An open circuit A closed circuit None of the listed here Partly open circuit and partly closed circuit An open circuit A closed circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux Direction of motion of conductor, if forefinger points along the lines of flux Direction of induced e.m.f. Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux Direction of motion of conductor, if forefinger points along the lines of flux Direction of induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
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