Optical Fiber Fabrication - Electronic Engineering (MCQ) questions & answers

1)   In cables, water is prevented from filling the spaces with __________resistant compounds.

a. moisture
b. pressure
c. temperature
d. stress
Answer  Explanation 

ANSWER: moisture

Explanation:
No explanation is available for this question!


2)   Why are plastic clad silica fiber optic cables not used widely?

a. Difficulty in connector application due to excessive plasticity in cladding
b. Difficulty in bonding
c. Insolubility in organic solvents
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


3)   At which level of temperature does the oxidation process occur in MCVD?

a. Low
b. Moderate
c. High
d. Unpredictable
Answer  Explanation 

ANSWER: High

Explanation:
No explanation is available for this question!


4)   Consider the assertions given below. Which is the correct sequential order of process adopted in glass fiber preparation?

A. Drawing of fiber
B. Production of pure glass
C. Pulling of fiber
D. Conversion of pure glass into preform


a. B, D, A, C
b. A, B, C, D
c. C, A, D, B
d. D, B, A, C
Answer  Explanation 

ANSWER: B, D, A, C

Explanation:
No explanation is available for this question!


5)   Consider the statements given below. Which among them is not a drawback of double crucible method?

a. Utility in mass production of fibers
b. High attenuation
c. High OH content in drawn fiber
d. Addition of impurity while the fiber is drawn
Answer  Explanation 

ANSWER: Utility in mass production of fibers

Explanation:
No explanation is available for this question!


6)   On which of the following factor/s do/does the 'Hydrogen Effect' depend/s?

a. Type of fiber & Cable Design
b. Operating Wavelength
c. Installation Method
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


7)   In multifiber cable system, which form of outer jacket/s consist/s of polyolefin compounds and are regarded as halogen free?

a. OFNR
b. OFNP
c. LSZH
d. All of the above
Answer  Explanation 

ANSWER: LSZH

Explanation:
No explanation is available for this question!


8)   Which type of fiber optic cable has/have its/their core with the size of about 480 μm to 980 μm & made up of polymethylmethacrylate (PMMA)?

a. Glass fiber optic cable
b. Plastic fiber optic cable
c. Plastic clad silica fiber optic cable
d. All of the above
Answer  Explanation 

ANSWER: Plastic fiber optic cable

Explanation:
No explanation is available for this question!


9)   Which type of photonic crystal fiber exhibit/s its/their similarity to the periodic crystalline lattice in a semiconductor?

a. Index guiding fiber
b. Photonic bandgap fiber
c. Both a and b
d. None of the above
Answer  Explanation 

ANSWER: Photonic bandgap fiber

Explanation:
No explanation is available for this question!


10)   Which among the following do/does not support/s the soot formation process?

a. OVPO
b. MCVD
c. PCVD
d. All of the above
Answer  Explanation 

ANSWER: PCVD

Explanation:
No explanation is available for this question!