DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to double the constant loss Equal to Constant loss Equal to half of constant loss None of the listed here Equal to double the constant loss Equal to Constant loss Equal to half of constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature reaction Commutation Field weakening due to armature reaction and armature Armature resistance drop Armature reaction Commutation Field weakening due to armature reaction and armature Armature resistance drop ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Strengthns the flux at the leading None of the listed here Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here Weaknes the flux at the trailing Weaknes the flux at the leading 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 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to None of the listed here Stray losses plus shunt cu loss Stray losses Mechanical losses None of the listed here Stray losses plus shunt cu loss Stray losses Mechanical losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Resistance wires Insulation pads Brazing Copper lugs Resistance wires Insulation pads Brazing Copper lugs ANSWER DOWNLOAD EXAMIANS APP