Quiz-1

June 23, 2019

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Question 1

Time: 00:00:00
In an optical fiber communication system, which among the following is not a typical transmitter function?

Coding for error protection

Coding for error protection

Decoding of input data

Decoding of input data

Electrical to optical conversion

Electrical to optical conversion

Recoding to match output standard

Recoding to match output standard

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Question 2

Time: 00:00:00
  Which among the following is provided by an optical receiver for the regeneration of data signal with minimum error?

Linear Circuitry

Linear Circuitry

Photo-diode

Photo-diode

Signal Processing Circuits

Signal Processing Circuits

None of these

None of these

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Question 3

Time: 00:00:00
For a sine wave, the frequency is represented by the cycles per

Second

Second

Minute

Minute

Hour

Hour

None of these

None of these

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Question 4

Time: 00:00:00
Which property/ies of PCM stream determine/s the fidelity to original analog signal?

Sampling rate

Sampling rate

Bit depth

Bit depth

Both (a) and (b)

Both (a) and (b)

None of the above

None of the above

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Question 5

Time: 00:00:00
In single-mode fibers, how does the fraction of energy traveling through bound mode appear in the cladding?

As a crescent wave

As a crescent wave

As a gibbous wave

As a gibbous wave

As an evanescent wave

As an evanescent wave

All of the above.

All of the above.

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Question 6

Time: 00:00:00
What is the typical value of refractive index for an ethyl alcohol?

1

1

1.36

1.36

2

2

2.5

2.5

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Question 7

Time: 00:00:00
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 _______

External Reflection

External Reflection

Internal Reflection

Internal Reflection

Both (A) and (B)

Both (A) and (B)

None of these

None of these

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Question 8

Time: 00:00:00
In an optical fiber, the concept of Numerical aperture is applicable in describing the ability of __________

Light Collection

Light Collection

Light Scattering

Light Scattering

Light Dispersing

Light Dispersing

Light Polarization

Light Polarization

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Question 9

Time: 00:00:00
Which among the following do/does not support/s the soot formation process?

OVPO

OVPO

MCVD

MCVD

PCVD

PCVD

All of these

All of these

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Question 10

Time: 00:00:00
Which among the following do/does not support/s the soot formation process?

OVPO

OVPO

MCVD

MCVD

PCVD

PCVD

All of these

All of these

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