5-Minute Tech Quiz
Optic Fiber
Can Your Fire Alarm System Survive?
All Answers relate to NFPA 101, 2018 Edition
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
page 11.6
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
page 11.13
6. Energy, power levels, losses and attenuations are expressed in ___________.
A. watts
B. frequency
C. bandwidth
D. decibels
7. A(n) _________________ is a system component or function that is not working properly, which can result in the system or unit not functioning when required.
A. tightpack
B. loose-tube
C. composite
D. breakout
page 11.20
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’
B. 15m
C. 100’
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
