Optical Fiber Measurements MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Optical Fiber Measurements, a fundamental topic in the field of Optical Communication. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Optical Fiber Measurements 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 Optical Fiber Measurements mcq questions that explore various aspects of Optical Fiber Measurements problems. Each MCQ is crafted to challenge your understanding of Optical Fiber Measurements principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Optical Communication tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Optical Fiber Measurements MCQs are your pathway to success in mastering this essential Optical Communication topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Optical Fiber Measurements. 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 Optical Fiber Measurements knowledge to the test? Let's get started with our carefully curated MCQs!

Optical Fiber Measurements MCQs | Page 6 of 7

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Q51.
During the fiber drawing process, the fiber outer diameter is maintained constant to within ________

a.

2%

b.

1%

c.

5%

d.

10%

Discuss
Answer: (b).1%
Q52.
What is the minimum value of accuracy in diameter is needed to avoid radiation losses in the fiber?

a.

0.1%

b.

0.2%

c.

0.3%

d.

0.03%

Discuss
Answer: (c).0.3%
Q53.
Which of the following is a non-contacting optical method of on-line diameter measurement?

a.

Brussels’s method

b.

Velocity differentiator method

c.

Photo detector method

d.

Image projection method

Discuss
Answer: (d).Image projection method
Q54.
The shadow method is used for measurement of the outer diameter of an optical fiber. The apparatus employs a rotating mirror with an angular velocity of 4 rad/s which is located at 10 cm from the photo detector. Compute the shadow velocity.

a.

0.1 μm μs⁻¹

b.

0.4 μm μs⁻¹

c.

0.87 μm μs⁻¹

d.

1 μm μs⁻¹

Discuss
Answer: (b).0.4 μm μs⁻¹
Q55.
The shadow velocity is given by 0.4 μm μs⁻¹ and shadow pulse of width 300 μs is registered at an instant by the photodetector. Determine the outer diameter of the optical fiber in μm.

a.

100 μm

b.

120 μm

c.

140 μm

d.

90 μm

Discuss
Answer: (b).120 μm
Q56.
The techniques used to determine the refractive index profile can also be used to determine the core diameter.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q57.
____________ affects both the fiber attenuation and dispersion.

a.

Refractive index

b.

Micro-bending

c.

Connectors

d.

Splices

Discuss
Answer: (b).Micro-bending
Q58.
Which of the following is not included in the optical fiber link measurement test?

a.

Attenuation measurement

b.

Dispersion measurement

c.

Splice loss measurement

d.

Receiver sensitivity

Discuss
Answer: (d).Receiver sensitivity
Q59.
In case of field measurements, the equipment must have ___________ power consumption keeping in mind the battery operation.

a.

Low

b.

High

c.

Negligible

d.

Maximum

Discuss
Answer: (a).Low
Q60.
Which of the following are not considered as environmental conditions required for field measurements?

a.

Temperature

b.

Humidity

c.

Mechanical load

d.

Power

Discuss
Answer: (d).Power
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