In a separately excited generator supplying rated load the armature reaction. Options: A . &nbspis always present B . &nbspis always absent C . &nbspmay be sometimes present D . &nbspnone of the above

In a separately excited generator supplying rated load the armature reaction.

Question

In a separately excited generator supplying rated load the armature reaction.

Options:

A . is always present

B . is always absent

C . may be sometimes present

D . none of the above

Answer: Option A
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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Question 1. As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately___....mutual air gap flux in a D.C. generator is approximately______________?

Question 2. Shunt generators are most suited for stable parallel operation because of their______________?....

Question 3. For both lap and wave windings, there are as many commutator bars as the number of_____________?....

Question 4. If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do ....first trial run, the first thing to do is to______________?

Question 5. Which of the following generating machine will offer constant voltage on all loads?....

Question 6. Which of the following generators will be preferred if they are required to be run in parallel?....

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Question 8. With a D.C. generator which of the following regulation is preferred ?....

Question 9. The essential condition for parallel operation of two D.C. generators is that they have ________________?....

Question 10. A shunt generator can self-excite:_________________?....

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