Theory of Machines TOM 5th Sem Mechanical/5349/Feb 2021 Diploma Paper

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Theory of Machines TOM 5th Sem Mechanical/5349/Feb 2021 Diploma Paper

SECTION-A

Q2. Attempt any Three questions. 5×6=30

i. List the advantages and disadvantages of Optical fiber communication.
ii. Explain the principle of total internal refraction.
iii. Compare single mode fiber and multimode fiber.
iv. Difference between macro and micro bending losses.
v. What are the properties of good connector?
vi. What is the need of joining fibers and precautions to be taken while joining?
vii. What is the principle of light emitting diode? Explain briefly.
viii. Write short note on Raman amplifier.

SECTION-C

Q3. Attempt any one question. 1×10=10

a. Explain construction and working of Avalanche photodiode (APD) with diagram.
b. What is optical power budgeting. How it is helpful in designing fiber optical system. Explain in detail.
c. Explain the construction and working principle of laser diode with neat diagram.
d. Write a short note on i) Dispersion in fiber optics ii) Wavelength division multiplexing

Theory of Machines TOM 5th Sem Mechanical/5349/Feb 2021 Diploma Paper

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Section B :Theory of Machines TOM 5th Sem Mechanical/5349/Feb 2021 Diploma Paper

Define: Critical Angle, Snell’s Law ?

What are Step Index and graded index Fibres ?

Step Index and graded index Fibres

Discuss the characteristics of light used in Optical Communication ?

Characteristics of light used in Optical Communication

Draw the block diagram of an Optical Receiver

Block diagram of an Optical Receiver

Describe the different types of functional Amplifiers.

Different types of functional Amplifiers.

What is Splicing? Explain any two techniques of Splicing ?

What is Splicing

Two Techniques of Splicing

List a few applications of Optical Communication ?

Applications of Optical Communication

List a few applications of Optical Communication ?

Few applications of Optical Communication

Theory of Machines TOM 5th Sem Mechanical/5349/Feb 2021 Diploma Paper Click Here

Optical Fiber Communication OFC 6th Sem Diploma Feb 2021 Paper

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Section c :-Theory of Machines TOM 5th Sem Mechanical/5349/Feb 2021 Diploma Paper

Explain construction and working of Avalanche photodiode (APD) with diagram.

Construction and working of Avalanche photodiode (APD) with diagram.

What is optical power budgeting. How it is helpful in designing fiber optical system.

Optical power budgeting. How it is helpful in designing fiber optical system.

Explain the construction and working principle of laser diode with neat diagram.

working principle of laser diode with neat diagram.

Write a short note on i) Dispersion in fiber optics ii) Wavelength division multiplexing

i) Dispersion in fiber optics ii) Wavelength division multiplexing

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