a) Lap wound armature b) Wave wound armature c) Both (a) and (b) d) None of these Ans: (a)
a) Current is reversed b) Voltage is reversed c) Both current and voltage are reversed d) None of these Ans: (a)
a) Field b) Load c) Brushed d) Armature Ans: (a)
a) Cross-magnetization effect of armature reaction b) Demagnetization effect of armature reaction c) Reactance voltage d) All of these Ans: (b)
a) Neutralize the reactance voltage only b) Neutralize the reactance voltage and cross-magnetization effect of armature reaction c) Neutralize demagnetization effect d) None of these Ans: (b)
a) Geometrical neutral axis b) Magnetic neutral axis c) Perpendicular to magnetic neutral axis d) None of these Ans: (b)
a) Long distance transmission b) Short distance transmission c) Medium distance transmission d) None of these Ans: (a)
a) Increasing its speed b) Decreasing its armature resistance c) Decreasing its speed d) None of these Ans: (a)
a) Under-compounded generators b) Over-compounded generators c) Flat-compounded generators d) None of these Ans: (c)
a) Field winding is reversed b) Load is connected c) Very high load is connected d) None of these Ans: (b)
a) D.c. voltage b) A.c. voltage c) No output d) None of these Ans: (b)
a) Equal to the rated load voltage b) Greater than rated load voltage c) Less than rated load voltage d) None of these Ans: (c)