DC Generators The armature copper loss in a dc generator is a Stray loss Variable loss Constant loss None of the listed here Stray loss Variable loss Constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Copper is harder than mica Mica and copper are equally hard Mica is harder than copper None of the listed here Copper is harder than mica Mica and copper are equally hard Mica is harder than copper None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Excessive spring pressure Rough commutator bars Abrasion from dust All of these Excessive spring pressure Rough commutator bars Abrasion from dust ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination None of the listed here Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Mica Copper Carbon Cast iron Mica Copper Carbon Cast iron 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 induced e.m.f. Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction 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 motion of conductor, if forefinger points along the lines of flux Direction of flux ANSWER DOWNLOAD EXAMIANS APP