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.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Commutation Process and Excitation Methods. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Commutation Process and Excitation Methods MCQs | Page 1 of 4

Discuss
Answer: (c).Leakage reactance and armature reaction
Q2.
Why brushes shifting method is not employed in practical commutation?
Discuss
Answer: (c).Causes demagnetization
Q3.
Which are the methods for getting an ideal commutation?
Discuss
Answer: (d).Resistance and voltage commutation
Q4.
In resistance commutation method we add resistance between __________________
Discuss
Answer: (d).Commutator and brush
Q5.
What is the effect on time constant of transient current, as a result of resistance commutation?
Discuss
Answer: (d).Increases then decreases
Q6.
Which voltage is neutralized in voltage commutation process?
Discuss
Answer: (b).Reactance
Q7.
Interpoles are excited with ____________
Discuss
Answer: (a).Armature current
Q8.
Interpoles are excited by keeping them in ____________ with armature.
Discuss
Answer: (a).Series
Q9.
Polarity of interpoles is one pole ahead in the direction of armature rotation in _____________
Discuss
Answer: (b).Generator
Q10.
What is the size of interpolar air gap compare to main pole air gap?
Discuss
Answer: (c).More
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