The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except:_____________?
A. armature reaction
B. armature resistance drop
C. field weakening due to armature reaction and armature
D. commutation
A. armature reaction
B. armature resistance drop
C. field weakening due to armature reaction and armature
D. commutation
A. Lenz’s law
B. Ohm’s law
C. Faraday’s law of electromagnetic induction
D. none of the above
A. reduces generator e.m.f.
B. increases armature speed
C. reduces interpoles flux density
D. results in sparking trouble
A. rectifier
B. primemover
C. rotating amplifier
D. power pump
A. reverse the field connections
B. increase the field resistance
C. increase the speed of primemover
D. check armature insulation resistance
A. number of armature coils
B. number of armature coil sides
C. number of armature conductors
D. number of armature turns
A. rotary converter
B. mercury are rectifier
C. induction motor D.C. generator set
D. synchronous motor D.C. generator set