Multiple Choice
D.C. generators are connected to the busbars or disconnected from them only under the floating condition
A) to avoid sudden loading of the primemover
B) to avoid mechanicaljerk to the shaft
C) to avoid burning of switch contacts
D) all above
Correct Answer:
Verified
Correct Answer:
Verified
Q8: If brushes of a D.C. generator are
Q9: A D.C. welding generator has<br>A)lap winding<br>B)wave moving<br>C)duplex
Q10: Two generators A and B have 6-poles
Q11: For a D.C. machines laboratory following type
Q12: The insulating material used between the commutator
Q14: The number of brushes in a commutator
Q15: The function of pole shoes in the
Q16: In D.C. generators, the brushes on commutator
Q17: Welding generator will have<br>A)lap winding<br>B)wave winding<br>C)delta winding<br>D)duplex
Q18: The e.m.f. generated by a shunt wound