When optical fibers are to be installed in a working environment, the most important parameter to be considered is?

Core cladding ratio of the fiber

Transmission property of the fiber

Mechanical property of the fiber

Core cladding ratio of the fiber

Numerical aperture of the fiber

Explore topic-wise MCQs in Optical Communications.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications knowledge and support exam preparation. Choose a topic below to get started.

1.	Stress corrosion must be considered while designing and testing optical fiber cables.
A.	True
B.	False
Answer» B. False

Discussion

2.	Calculate percentage strain at break for a Si-O bond with a fracture strength of 3.5210¹⁰Nm^-1 and Young s modulus of 9 10⁹Nm^-1.
A.	3.1 %
B.	2.8 %
C.	4.5 %
D.	3.9 %
Answer» E.

Discussion

3.	An Si-O bond with a Young s modulus of 9*10¹⁰Nm^-1 have an elliptical crack of depth 7nm. The surface energy is 2.29 J. Estimate fracture stress for silica fiber.
A.	4.32*10<sup>9</sup>Nm<sup>-1</sup>
B.	6.32*10<sup>9</sup>Nm<sup>-1</sup>
C.	5.2*10<sup>9</sup>Nm<sup>-1</sup>
D.	3*10<sup>9</sup>Nm<sup>-1</sup>
Answer» B. 6.32*10<sup>9</sup>Nm<sup>-1</sup>

Discussion

4.	Optical fibers for communication use are mostly fabricated from ___________
A.	Plastic
B.	Silica or multicomponent glass
C.	Ceramics
D.	Copper
Answer» C. Ceramics

Discussion

5.	It is not important to cover these optical fibers required for transmission.
A.	True
B.	False
Answer» C.

Discussion

6.	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
Answer» C. Core cladding ratio of the fiber

Discussion

Explore topic-wise MCQs in Optical Communications.

Stress corrosion must be considered while designing and testing optical fiber cables.

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

An Si-O bond with a Young s modulus of 9*1010Nm-1 have an elliptical crack of depth 7nm. The surface energy is 2.29 J. Estimate fracture stress for silica fiber.

Optical fibers for communication use are mostly fabricated from ___________

It is not important to cover these optical fibers required for transmission.

When optical fibers are to be installed in a working environment, the most important parameter to be considered is?

Calculate percentage strain at break for a Si-O bond with a fracture strength of 3.5210¹⁰Nm^-1 and Young s modulus of 9 10⁹Nm^-1.

An Si-O bond with a Young s modulus of 9*10¹⁰Nm^-1 have an elliptical crack of depth 7nm. The surface energy is 2.29 J. Estimate fracture stress for silica fiber.