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 4 of 7

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Q31.
In single mode fibers, which is the most beneficial index profile?

a.

Step index

b.

Graded index

c.

Step and graded index

d.

Coaxial cable

Discuss
Answer: (b).Graded index
Q32.
The fibers mostly not used nowadays for optical fiber communication system are ___________

a.

Single mode fibers

b.

Multimode step fibers

c.

Coaxial cables

d.

Multimode graded index fibers

Discuss
Answer: (a).Single mode fibers
Q33.
Single mode fibers allow single mode propagation; the cladding diameter must be at least ___________

a.

Twice the core diameter

b.

Thrice the core diameter

c.

Five times the core diameter

d.

Ten times the core diameter

Discuss
Answer: (d).Ten times the core diameter
Q34.
A fiber which is referred as non-dispersive shifted fiber is?

a.

Coaxial cables

b.

Standard single mode fibers

c.

Standard multimode fibers

d.

Non zero dispersion shifted fibers

Discuss
Answer: (b).Standard single mode fibers
Q35.
Standard single mode fibers (SSMF) are utilized mainly for operation in ___________

a.

C-band

b.

L-band

c.

O-band

d.

C-band and L-band

Discuss
Answer: (c).O-band
Q36.
Fiber mostly suited in single-wavelength transmission in O-band is?

a.

Low-water-peak non dispersion-shifted fibers

b.

Standard single mode fibers

c.

Low minimized fibers

d.

Non-zero-dispersion-shifted fibers

Discuss
Answer: (b).Standard single mode fibers
Q37.
When optical fibers are to be installed in a working environment, the most important parameter to be considered is?

a.

Transmission property of the fiber

b.

Mechanical property of the fiber

c.

Core cladding ratio of the fiber

d.

Numerical aperture of the fiber

Discuss
Answer: (b).Mechanical property of the fiber
Q38.
It is not important to cover these optical fibers required for transmission.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q39.
Optical fibers for communication use are mostly fabricated from ___________

a.

Plastic

b.

Silica or multicomponent glass

c.

Ceramics

d.

Copper

Discuss
Answer: (b).Silica or multicomponent glass
Q40.
An Si-O bond with a Young’s modulus of 9*10¹⁰ nm⁻¹ have an elliptical crack of depth 7 nm. The surface energy is 2.29 J. Estimate fracture stress for silica fiber.

a.

4.32*10⁹ nm⁻¹

b.

6.32*10⁹ nm⁻¹

c.

5.2*10⁹ nm⁻¹

d.

3*10⁹ nm⁻¹

Discuss
Answer: (a).4.32*10⁹ nm⁻¹
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