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MCQs

Total Questions : 97 | Page 1 of 10 pages
Question 1. Which property/ies of PCM stream determine/s the fidelity to original analog signal?
  1.    Sampling rate
  2.    Bit depth
  3.    Both a and b
  4.    None of the above
 Discuss Question
Answer: Option C. -> Both a and b
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. In single-mode fibers, how does the fraction of energy traveling through bound mode appear in the cladding?
  1.    As a crescent wave
  2.    As a gibbous wave
  3.    As an evanescent wave
  4.    All of the above
 Discuss Question
Answer: Option C. -> As an evanescent wave
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. For a sine wave, the frequency is represented by the cycles per ______
  1.    Second
  2.    Minute
  3.    Hour
  4.    None of the above
 Discuss Question
Answer: Option A. -> Second
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. Which among the following is provided by an optical receiver for the regeneration of data signal with minimum error?
  1.    Photo-diode
  2.    Signal Processing Circuits
  3.    Linear Circuitry
  4.    None of the above
 Discuss Question
Answer: Option C. -> Linear Circuitry
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. In an optical fiber communication system, which among the following is not a typical transmitter function?
  1.    Coding for error protection
  2.    Decoding of input data
  3.    Electrical to optical conversion
  4.    Recoding to match output standard
 Discuss Question
Answer: Option D. -> Recoding to match output standard
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. Which type of photonic crystal fiber exhibit/s its/their similarity to the periodic crystalline lattice in a semiconductor?
  1.    Index guiding fiber
  2.    Photonic bandgap fiber
  3.    Both a and b
  4.    None of the above
 Discuss Question
Answer: Option B. -> Photonic bandgap fiber
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. If a light travels in a certain medium and it gets reflected off an optically denser medium with high refractive index, then it is regarded as _______
  1.    External Reflection
  2.    Internal Reflection
  3.    Both a and b
  4.    None of the above
 Discuss Question
Answer: Option A. -> External Reflection
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. In an optical fiber, the concept of Numerical aperture is applicable in describing the ability of __________
  1.    Light Collection
  2.    Light Scattering
  3.    Light Dispersion
  4.    Light Polarization
 Discuss Question
Answer: Option A. -> Light Collection
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. What is the typical value of refractive index for an ethyl alcohol?
  1.    1
  2.    1.36
  3.    2.6
  4.    3.4
 Discuss Question
Answer: Option B. -> 1.36
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. Which among the following do/does not support/s the soot formation process?
  1.    OVPO
  2.    MCVD
  3.    PCVD
  4.    All of the above
 Discuss Question
Answer: Option C. -> PCVD
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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