DC Generator MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on DC Generator, 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 Generator 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 Generator mcq questions that explore various aspects of DC Generator problems. Each MCQ is crafted to challenge your understanding of DC Generator 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 Generator 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 Generator. 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 Generator knowledge to the test? Let's get started with our carefully curated MCQs!

DC Generator MCQs | Page 2 of 7

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Q11.
Load characteristics drawn at Ra =0 and Ra not equal to 0, will lie _____

a.

Above

b.

On

c.

Below

d.

Intersecting

Discuss
Answer: (c).Below
Q12.
OCC is drawn at two different speeds both less than rated speed. OCC drawn at speed N1 lies below OCC drawn at speed N2. Which of the following relation is correct?

a.

N2 = N1

b.

N2 < N1

c.

N2 >> N1

d.

Can’t comment

Discuss
Answer: (c).N2 >> N1
Q13.
Why No-load or load characteristics are also called as magnetization characteristics?

a.

Eₐ α If

b.

Eₐ α φ

c.

If α φ

d.

Cannot be determined

Discuss
Answer: (b).Eₐ α φ
Q14.
Armature characteristic is _____________

a.

No-load characteristic

b.

Load characteristic

c.

OCC Current

d.

Cannot be determined

Discuss
Answer: (b).Load characteristic
Q15.
External characteristics is drawn with constant term/s ____________

a.

Field current

b.

Speed

c.

Both Field current and Speed

d.

Load

Discuss
Answer: (c).Both Field current and Speed
Q16.
Armature characteristic is drawn across ________

a.

Iₐ vs If

b.

Iₐ vs Vₜ

c.

If vs Vₜ

d.

Eₐ vs Iₐ

Discuss
Answer: (a).Iₐ vs If
Q17.
What is the first step in drawing the armature characteristic?

a.

If is made 0

b.

Field current is adjusted to give Voc equal to rated value

c.

Switch connecting armature circuit with external circuit is made open

d.

Cannot be determined

Discuss
Answer: (c).Switch connecting armature circuit with external circuit is made open
Q18.
In armature characteristic, nature of If at lower values of armature current is ______

a.

Very large

b.

Almost constant

c.

Decreasing rapidly

d.

Increasing then decreasing

Discuss
Answer: (b).Almost constant
Q19.
At some point If On OCC, the value of voltage obtained which is more than rated voltage is _______

a.

Iₐ *Rₐ + If *Rf

b.

Iₐ *Rₐ

c.

Vd + Iₐ *Rₐ

d.

Can’t tell

Discuss
Answer: (c).Vd + Iₐ *Rₐ
Q20.
External Characteristic is a plot of _____________

a.

Generated emf and load current

b.

Terminal voltage and load current

c.

Generated voltage and field current

d.

Armature current and field current

Discuss
Answer: (b).Terminal voltage and load current
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