Optical Fibers and Cables MCQs

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

Optical Fibers and Cables MCQs | Page 5 of 7

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Q41.
Calculate percentage strain at break for a Si-O bond with a fracture strength of 3.52*10¹⁰ nm⁻¹ and Young’s modulus of 9 *10⁹ nm⁻¹.

a.

3.1 %

b.

2.8 %

c.

4.5 %

d.

3.9 %

Discuss
Answer: (d).3.9 %
Q42.
Stress corrosion must be considered while designing and testing optical fiber cables.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q43.
Which statistics are used for calculations of strengths of optical fibers?

a.

Edwin statistics

b.

Newton statistics

c.

Wei-bull statistics

d.

Gamma statistics

Discuss
Answer: (c).Wei-bull statistics
Q44.
What does n denotes in the equation given below, if vc is the crack velocity; A is the constant for the fiber material and KI is the strength intensity factor?

vc = AKIⁿ

a.

Refractive index

b.

Stress corrosion susceptibility

c.

Strain

d.

Young’s modulus

Discuss
Answer: (b).Stress corrosion susceptibility
Q45.
____________ results from small lateral forces exerted on the fiber during the cabling process.

a.

Attenuation

b.

Micro-bending

c.

Dispersion

d.

Stimulated Emission

Discuss
Answer: (b).Micro-bending
Q46.
Microscopic meandering of the fiber core axis that is micro-bending is caused due to ___________

a.

Environmental effects

b.

Rough edges of the fiber

c.

Large diameter of core

d.

Polarization

Discuss
Answer: (a).Environmental effects
Q47.
How many forms of modal power distribution are considered?

a.

One

b.

Two

c.

Three

d.

Four

Discuss
Answer: (b).Two
Q48.
What does micro-bending losses depend on _____________

a.

Core material

b.

Refractive index

c.

Diameter

d.

Mode and wavelength

Discuss
Answer: (d).Mode and wavelength
Q49.
The fiber should be________________ to avoid deterioration of the optical transmission characteristics resulting from mode-coupling-induced micro-bending.

a.

Free from irregular external pressure

b.

Coupled with plastic

c.

Large in diameter

d.

Smooth and in a steady state

Discuss
Answer: (a).Free from irregular external pressure
Q50.
The diffusion of hydrogen into optical fiber affects the ______________

a.

Transmission of optical light in the fiber

b.

Spectral attenuation characteristics of the fiber

c.

Core of the fiber

d.

Cladding of the fiber

Discuss
Answer: (b).Spectral attenuation characteristics of the fiber
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