MCQOPTIONS
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MCQOPTIONS
This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communication knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In case of multiple fusion, splice losses using an electric arc fusion device with multimode graded index fiber range from ____________ |
| A. | 0.01 to 0.04 dB |
| B. | 0.19 to 0.25 dB |
| C. | 0.12 to 0.15 dB |
| D. | 0.04 to 0.12 dB |
| Answer» E. | |
| 2. |
_____________ are formed by sandwiching the butted fiber ends between a V-groove glass substrate and a flat glass retainer plate. |
| A. | Springroove splices |
| B. | V-groove splices |
| C. | Elastic splices |
| D. | Fusion splices |
| Answer» C. Elastic splices | |
| 3. |
Average insertion losses as low as _________ have been obtained with multimode graded index and single-mode fibers using ceramic capillaries. |
| A. | 0.1 dB |
| B. | 0.5 dB |
| C. | 0.02 dB |
| D. | 0.3 dB |
| Answer» B. 0.5 dB | |
| 4. |
_____________ is caused by surface tension effects between the two fiber ends during fusing. |
| A. | Pre-fusion |
| B. | Diffusion |
| C. | Self-alignment |
| D. | Splicing |
| Answer» D. Splicing | |
| 5. |
The rounding of the fiber ends with a low energy discharge before pressing the fibers together and fusing with a stronger arc is called as ____________ |
| A. | Pre-fusion |
| B. | Diffusion |
| C. | Crystallization |
| D. | Alignment |
| Answer» B. Diffusion | |
| 6. |
The heating of the two prepared fiber ends to their fusing point with the application of required axial pressure between the two optical fibers is called as ____________ |
| A. | Mechanical splicing |
| B. | Fusion splicing |
| C. | Melting |
| D. | Diffusion |
| Answer» C. Melting | |
| 7. |
A permanent joint formed between two different optical fibers in the field is known as a ____________ |
| A. | Fiber splice |
| B. | Fiber connector |
| C. | Fiber attenuator |
| D. | Fiber dispersion |
| Answer» B. Fiber connector | |
| 8. |
AVERAGE_INSERTION_LOSSES_AS_LOW_AS___________HAVE_BEEN_OBTAINED_WITH_MULTIMODE_GRADED_INDEX_AND_SINGLE-MODE_FIBERS_USING_CERAMIC_CAPILLARIES.?$ |
| A. | 0.1 dB |
| B. | 0.5 dB |
| C. | 0.02 dB |
| D. | 0.3 dB |
| Answer» B. 0.5 dB | |
| 9. |
Mean splice insertion losses of 0.05 dB are obtained using multimode graded index fibers with the Springroove splice. State whether the given statement is true or false.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
_____________ are formed by sandwiching the butted fiber ends between a V-groove glass substrate and a flat glass retainer plate.$ |
| A. | Springroove splices |
| B. | V-groove splices |
| C. | Elastic splices |
| D. | Fusion splices |
| Answer» C. Elastic splices | |
| 11. |
In case of multiple fusion, splice losses using an electric arc fusion device with multimode graded index fiber range from |
| A. | 0.01 to 0.04 dB |
| B. | 0.19 to 0.25 dB |
| C. | 0.12 to 0.15 dB |
| D. | 0.04 to 0.12 dB |
| Answer» E. | |
| 12. |
Alignment accuracy of the order ___________ is obtained using the three glass rod alignment sleeve. |
| A. | 0.23 μm |
| B. | 0.15 μm |
| C. | 0.05 μm |
| D. | 0.01 μm |
| Answer» D. 0.01 ‚âà√≠¬¨‚à´m | |
| 13. |
_____________ is caused by surface tension effects between the two fiber ends during fusing? |
| A. | Pre-fusion |
| B. | Diffusion |
| C. | Self-alignment |
| D. | Splicing |
| Answer» D. Splicing | |
| 14. |
The rounding of the fiber ends with a low energy discharge before pressing the fibers together and fusing with a stronger arc is called as |
| A. | Pre-fusion |
| B. | Diffusion |
| C. | Crystallization |
| D. | Alignment |
| Answer» B. Diffusion | |
| 15. |
Which of the following is not used as a flame heating source in fusion splicing? |
| A. | Microprocessor torches |
| B. | Ox hydric burners |
| C. | Electric arc |
| D. | Gas burner |
| Answer» E. | |
| 16. |
The heating of the two prepared fiber ends to their fusing point with the application of required axial pressure between the two optical fibers is called as |
| A. | Mechanical splicing |
| B. | Fusion splicing |
| C. | Melting |
| D. | Diffusion |
| Answer» C. Melting | |
| 17. |
In score and break process, which of the following is not used as a cutting tool? |
| A. | Diamond |
| B. | Sapphire |
| C. | Tungsten carbide |
| D. | Copper |
| Answer» E. | |
| 18. |
What is the main requirement with the fibers that are intended for splicing? |
| A. | Smooth and oval end faces |
| B. | Smooth and square end faces |
| C. | Rough edge faces |
| D. | Large core diameter |
| Answer» C. Rough edge faces | |
| 19. |
The insertion losses of the fiber splices are much less than the Fresnel reflection loss at a butted fiber joint. State whether the given statement is true or false. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 20. |
How many types of fiber splices are available? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 21. |
A permanent joint formed between two different optical fibers in the field is known as a |
| A. | Fiber splice |
| B. | Fiber connector |
| C. | Fiber attenuator |
| D. | Fiber dispersion |
| Answer» B. Fiber connector | |