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Electronic Mechanic Practice Test: Fiber Optical Communication
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Electronic Mechanic Practice Test: Fiber Optical Communication
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25 Questions

1. Which equipment is necessary for the optical fiber cable servicing?
2. Which light source is used to convert the electrical signal in the fiber optic communication?
3. What is the name of the loss occurring due to the bend of finite radius in the optical fiber cable?
4. Which parameter makes the fiber optic communication is the perfect choice for transmitting broad band signals?
5. Which mode the signal wave travels through the optical fiber?
6. What is the core diameter size of single mode optical fiber?
7. What is the full form of OTDR?
8. Which method is used to transmit information by means of light pulses?
9. What is the full form of PPM?
10. What is the name of optical fiber cable part marked ‘X’?
11. What is the name of the bouncing back effect of light rays from a shiny surface?
12. Which device is used as the light source for short distance and low data rate applications in fiber optic communication?
13. What is the name of part marked ‘X’ in the multi mode optical fiber cable?
14. What is the refractive index of vacuum?
15. What is the basis for the selection of LED or LASER diode as the light source in optical fiber communication?
16. Which device is used as the light source for long distance and high data rate applications in fiber optic communication?
17. Which colour is coated on the outer jacket of fiber optic cable to identify the single mode application?
18. Which technology has replaced the copper wire in the core communication networks?
19. Which optical fibre is best suited for local area network applications?
20. Which type of optical fiber is used to carry telephone and television signals?
21. What is the wavelength of visible light spectrum?
22. Which loss is related to the fiber material used for optical communication?
23. What is the frequency of sine wave signal taken from function generator to use OFC trainer kit?
24. What is the effect on the angle of incidence of light is made greater than the critical angle?
25. Which circuit is used for the wave guide dispersion?

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