MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Stress corrosion must be considered while designing and testing optical fiber cables. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Calculate percentage strain at break for a Si-O bond with a fracture strength of 3.52*1010Nm-1 and Young s modulus of 9 *109Nm-1. |
| A. | 3.1 % |
| B. | 2.8 % |
| C. | 4.5 % |
| D. | 3.9 % |
| Answer» E. | |
| 3. |
An Si-O bond with a Young s modulus of 9*1010Nm-1 have an elliptical crack of depth 7nm. The surface energy is 2.29 J. Estimate fracture stress for silica fiber. |
| A. | 4.32*10<sup>9</sup>Nm<sup>-1</sup> |
| B. | 6.32*10<sup>9</sup>Nm<sup>-1</sup> |
| C. | 5.2*10<sup>9</sup>Nm<sup>-1</sup> |
| D. | 3*10<sup>9</sup>Nm<sup>-1</sup> |
| Answer» B. 6.32*10<sup>9</sup>Nm<sup>-1</sup> | |
| 4. |
Optical fibers for communication use are mostly fabricated from ___________ |
| A. | Plastic |
| B. | Silica or multicomponent glass |
| C. | Ceramics |
| D. | Copper |
| Answer» C. Ceramics | |
| 5. |
It is not important to cover these optical fibers required for transmission. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
When optical fibers are to be installed in a working environment, the most important parameter to be considered is? |
| A. | Transmission property of the fiber |
| B. | Mechanical property of the fiber |
| C. | Core cladding ratio of the fiber |
| D. | Numerical aperture of the fiber |
| Answer» C. Core cladding ratio of the fiber | |