Computer Programming MCQs — Test 15

Page 1 of 3

Question 1

In case of conductively compensated D.C. series motors, the compensating winding is provided______________?

Question 2

Sparking at the commutator of a D.C. motor may result in____________?

Question 3

Which of the following motor is preferred for operation in highly explosive atmosphere ?

Question 4

If the supply voltage for a D.C. motor is increased, which of the following will decrease ?

Question 5

Which one of the following is not the function of pole shoes in a D.C. machine ?

Question 6

For which of the following applications a D.C. motor is preferred over an A.C. motor ?

Question 7

In D.C. machines the residual magnetism is of the order of_________________?

Question 8

Which D.C. motor is generally preferred for cranes and hoists ?

Question 9

Three point starter can be used for______________?

Question 10

Sparking, is discouraged in a D.C. motor because_____________?