A D.C. welding generator has____________?

Related Mcqs:

A separately excited generator as compared to a self-excited generator_____________?

A. is amenable to better voltage control B. is more stable C. has exciting current independent of load current D. has all above features...

The insulating material used between the commutator segments is normally_____________?

A. graphite B. paper C. mica D. insulating varnish...

Which of the following statement about D.C. generators is false ?

A. Compensating winding in a D.C. machine helps in commutation B. In a D. C. generator interpoles winding is connected in series with the armature winding C. Back pitch and front pitch are both odd and approximately equal to the pole pitch D. Equilizing bus bars are used with parallel running of D.C. shunt gen¬erators...

The e.m.f. generated in a D.C. generator is directly proportional to____________?

A. flux/pole B. speed of armature C. number of poles D. all of the above...

Which generator would you prefer for feeding long D.C. transmission lines ?

A. Series generator B. Shunt generator C. Over compound generator D. Flat compound generator...