Commutation Process and Excitation Methods MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Commutation Process and Excitation Methods, a fundamental topic in the field of DC Machines. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Commutation Process and Excitation Methods MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Commutation Process and Excitation Methods mcq questions that explore various aspects of Commutation Process and Excitation Methods problems. Each MCQ is crafted to challenge your understanding of Commutation Process and Excitation Methods principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace DC Machines tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Commutation Process and Excitation Methods MCQs are your pathway to success in mastering this essential DC Machines topic.

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Commutation Process and Excitation Methods MCQs | Page 3 of 4

Q21.
In wave winding, P/2 coils are connected under the influence of “x” pole-pairs which connect adjacent segments. X is ____
Discuss
Answer: (b).P/2
Q22.
The process of current reversal takes place when the coil is passing through the interpolar region.
Discuss
Answer: (a).True
Q23.
How many coil sets undergo commutation simultaneously in a wave winding?

a.

1

b.

2

c.

4

d.

3

Discuss
Answer: (b).2
Discuss
Answer: (c).Coil lying in an interpolar region
Discuss
Answer: (c).Straight line not passing through origin but with -ve slope
Discuss
Answer: (a).Shunt field
Q27.
Which winding contains wire with higher thickness?
Discuss
Answer: (b).Series field
Discuss
Answer: (a).Shunt field
Q29.
Which is more practical method used in control of series field?
Discuss
Answer: (b).Tappings
Q30.
In compound excitation, which winding/s is/are excited?
Discuss
Answer: (c).Both of the above
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