MCQOPTIONS
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MCQOPTIONS
This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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. | |
| 2. |
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*109Nm-1 |
| B. | 6.32*109Nm-1 |
| C. | 5.2*109Nm-1 |
| D. | 3*109Nm-1 |
| Answer» B. 6.32*109Nm-1 | |