a) The regulation of each armature should be the same b) Their series field resistance should be equal c) Their ratings should be equal d) None of these Ans: (a)
a) Bipolar generators b) Shunt generators c) Series generators d) Compound generators Ans: (d)
a) Zero b) 20% c) 30% d) 40% Ans: (a)
a) Load voltage and field current b) Generated emf and armature current c) Load current and terminal voltage d) Load current and voltage drop in armature winding Ans: (c)
a) Armature current and generated emf b) Load current and terminal voltage c) Field current and no-load voltage d) Armature current and IR drop Ans: (a)
a) Armature drop b) Armature reaction c) Both (a) and (b) d) None of these Ans: (b)
a) Mechanical losses b) Magnetic losses c) Both (a) and (b) add together d) None of these Ans: (c)
a) Field losses of shunt generator b) Armature losses of a compound generator c) Stray losses d) Both (a) and (b) added together Ans: (d)
a) Copper losses b) Hysteresis losses c) Eddy current losses d) Winding losses Ans: (d)
a) 60 to 70% b) 70 to 80% c) 80 to 90% d) 85 to 95% Ans: (d)