1) Which among the following misalignments give/gives rise to the occurrence of splice loss?
a. Longitudinal separation between the end-faces of fiber
b. Angular tilt between fiber ends
c. Transverse offset between fiber ends
d. All of the above
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Answer
Explanation
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ANSWER: All of the above
Explanation:
No explanation is available for this question!
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2) Which among the following stages is/are adopted in Splice Loss Experiment?
a. Translational
b. Rotational
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: Both a and b
Explanation:
No explanation is available for this question!
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3) In chromatic dispersion, which parameter for the modulation of the received signal is measured with the help of a vector voltmeter?
a. Amplitude
b. Frequency
c. Phase
d. Period
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Answer
Explanation
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ANSWER: Phase
Explanation:
No explanation is available for this question!
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4) For measuring the shape of input pulse in time-domain intermodal dispersion method, the test fiber is replaced by another fiber whose length is less than ___ of the test fiber.
a. 1%
b. 5%
c. 10%
d. 20%
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Answer
Explanation
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ANSWER: 1%
Explanation:
No explanation is available for this question!
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5) For neglecting the pulse dispersion in the digital systems, the rms width of fiber impulse response must be _________one-quarter of the pulse spacing.
a. Less than
b. Equal to
c. Greater than
d. None of the above
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Answer
Explanation
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ANSWER: Less than
Explanation:
No explanation is available for this question!
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6) Consider the assertions/ characteristics given below. Which type of attenuation measurement technique exhibits these characteristics?
1. Necessity of accessing both ends of fiber.
2. Measurements corresponding to specific wavelengths.
3. Requirement of spectral response over a range of wavelengths.
a. Cutback Technique
b. Insertion Loss Technique
c. Use of OTDR Technique
d. None of the above
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Answer
Explanation
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ANSWER: Cutback Technique
Explanation:
No explanation is available for this question!
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7) Which among the following is/are responsible for generating attenuation of an optical power in fiber?
a. Absorption
b. Scattering
c. Waveguide effect
d. All of the above
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Answer
Explanation
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ANSWER: All of the above
Explanation:
No explanation is available for this question!
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8) In fiber fault location, the equation of length (l) for time difference (t) is expressed as L = ct / 2n1 . Which factor in this equation implies that the light travels a length from source to break point and then through another length on the return trip?
a. L
b. c
c. t
d. 2
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Answer
Explanation
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ANSWER: 2
Explanation:
No explanation is available for this question!
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9) From the tests carried out in fiber characterization, which among the following measures the total light reflected back to the transmitter caused by the fiber as well as the components like connector pairs and mechanical splices?
a. ORL
b. OTDR
c. LTS
d. PMD
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Answer
Explanation
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ANSWER: ORL
Explanation:
No explanation is available for this question!
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10) Which among the following is/are determined by the fiber characterization?
a. Fiber integrity & performance for desired transmission rate
b. Installation practices
c. Service Implementation
d. All of the above
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Answer
Explanation
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ANSWER: All of the above
Explanation:
No explanation is available for this question!
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