DC Generators In a D.C. generator the critical resistance refers to the resistance of Load Brushes Armature Field Load Brushes Armature Field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. An open circuit Partly open circuit and partly closed circuit A closed circuit None of the listed here An open circuit Partly open circuit and partly closed circuit A closed circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Paper Mica Insulating varnish Graphite Paper Mica Insulating varnish Graphite 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 flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of induced e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of induced e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. More than 20% Less than 0.5 % 15 to 25% 2% to 5% More than 20% Less than 0.5 % 15 to 25% 2% to 5% ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any even number of conductors Any odd number of conductors ANSWER DOWNLOAD EXAMIANS APP