Lap winding is composed of_____________?
A. any even number of conductors
B. any odd number of conductors
C. that even number which is exact multiple of poles + 2
D. that even number which is exact multiple of poles
A. any even number of conductors
B. any odd number of conductors
C. that even number which is exact multiple of poles + 2
D. that even number which is exact multiple of poles
A. slots
B. armature conductors
C. winding elements
D. poles
A. series generator
B. shunt generator
C. compound generator
D. self-excited generator
A. increasing its field resistance
B. decreasing its field resistance
C. increasing its speed
D. decreasing its speed
A. double the number of poles
B. same as the number of poles
C. half the number of poles
D. two
A. Insulation failure between two commutator bars
B. Insulation failure between two turns of a coil
C. Two of more turns of the same coil getting grounded
D. All of the above
A. abrasion from dust
B. excessive spring pressure
C. rough commutator bars
D. high mica insulation between com-mutation bars
E. all of the above factors