DC Machines Basics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on DC Machines Basics, 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 DC Machines Basics 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 DC Machines Basics mcq questions that explore various aspects of DC Machines Basics problems. Each MCQ is crafted to challenge your understanding of DC Machines Basics 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 DC Machines Basics 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 DC Machines Basics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your DC Machines Basics knowledge to the test? Let's get started with our carefully curated MCQs!

DC Machines Basics MCQs | Page 3 of 6

Discuss
Answer: (d).DC Shunt Motors or Squirrel cage induction motor
Q22.
When an electric train is moving down a hill, the DC motor will operate as ____________
Discuss
Answer: (b).DC series generator
Q23.
Nowadays, DC motor is widely used only in ____________
Discuss
Answer: (c).Electric traction
Q24.
Which motor is preferred in highly explosive atmosphere?
Discuss
Answer: (a).Air motor
Q25.
For which of the following operations a DC motor is preferred over an AC motor?
Discuss
Answer: (c).Variable speed operation
Discuss
Answer: (a).Otherwise commutation will not be possible
Q27.
In a DC machine, rectification provided with commutator is ___________
Discuss
Answer: (b).Full wave rectification
Q28.
Commutator performs rectification so that output of the machine is bi-directional.
Discuss
Answer: (b).False
Q29.
Which of the following method is used to connect commutator segments to armature conductors?
Discuss
Answer: (d).Copper lugs
Discuss
Answer: (d).Severe sparking, rough commutator surface or imperfect contact
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