5 MINUTE

Tech Quiz

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Optic Fiber

Test Your Knowledge of Optic Fiber

1. ____________ is the weakening of an optical signal as it passes through a fiber.

a. Attenuation
b. Dispersion
c. Deflection
d. Reflection
e. Absorption

2. Attenuation in optical fiber is a result of two factors: __________________.

a. refraction and reflection
b. absorption and reflection
c. deflection and refraction
d. absorption and scattering

3. ____________ is the spreading of light pulses until they overlap one another and the data signal is distorted and lost.

a. Attenuation
b. Dispersion
c. Deflection
d. Reflection
e. Absorption

4. The size of an optical fiber is referred to by the _____________ of its core and cladding.

a. inside diameter
b. outside diameter
c. cross sectional dimension
d. coating

5. Optical transmissions are classified into how many different methods of transmissions?

a. 1
b. 2
c. 3
d. 4

6. Energy, power levels, losses and attenuations are expressed in ___________.

a. watts
b. frequency
c. bandwidth
d. decibels

7. Cables that contain copper conductors and optical fibers are classified as _____________ cables.

a. tightpack
b. loose-tube
c. composite
d. breakout

8. Unlisted cables may be used within a building but they are limited to the first __________ from the point of entrance into the building.

a. 25 ft
b. 15m
c. 100 ft
d. 25m

9. A fiber connector can be installed in all of the following ways, except _______________.

a. cleave and crimp, no polish
b. pre-polished splice
c. epoxy glue with oven cure then polish
d. silicone sealer with polish
e. hot melt pre-glued then polished

10. Two basic categories of splices are _________.

a. fusion and mechanical
b. solder and cap
c. electrolytic and paste
d. electrical and mechanical

Completed. All answers can be found in the 16th Edition of the American Electrician’s Handbook. Your score:

0/10

Roy Pollack, CPP, SET, holds Level IV certification in the field of fire alarms from NICET. He is currently a director of training and compliance for Comcast/Xfinity Home and may be reached at sdmtechtips@bnpmedia.com.

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