ETA I COMPREHENSIVE REVIEW WITH
VERIFIED SOLUTIONS
◉ The bending of light as it passes from one transparent material
into another which has a different refractive index is what? Answer:
Refraction.
◉ Light is electromagnetic radiation in the wavelength range
including visible, ultraviolet, X-rays and _______________. Answer:
Infrared.
◉ What are the three parts of a typical optical fiber? Answer: Core,
Cladding, buffer Coating. (3 C's)
◉ A simple fiber optic system consists of what four components?
Answer: Transmitter, receiver, fiber, and connector.
◉ Which optical fiber is most suited for very high speed and long
distance applications? Answer: Single-mode.
◉ The reduction of power as a signal passes through a system is
called (Also known as signal loss); Answer: Attenuation.
, ◉ A fiber optic cable which has single-mode and multi-mode optical
fibers is what kind of cable? Answer: Hybrid.
◉ A fiber with it's core having numerous concentric layers of glass,
with each layer having a lower index of refraction is what kind of
fiber? What is the core size and how is it identified now? Answer:
Multi-mode graded-index.
◉ The spreading of light pulses as they take different paths in
traveling down a fiber is known as what? Answer: Modal Dispersion.
◉ What are the two widely used methods for installing buried fiber
optic cables? Answer: Trench and Plow methods.
◉ What configurations should be used when the center pull or
backfeeding techniques are used to pull in cables? Answer: Figure
8's.
◉ During the installation of fiber optic cables, innerduct serves what
two main purposes? Answer: Expansion and Protection.
◉ Two basic methods used for installing lashed aerial cables are;
Answer: Stationary reel (pull-in) and moving reel (drive-off).
VERIFIED SOLUTIONS
◉ The bending of light as it passes from one transparent material
into another which has a different refractive index is what? Answer:
Refraction.
◉ Light is electromagnetic radiation in the wavelength range
including visible, ultraviolet, X-rays and _______________. Answer:
Infrared.
◉ What are the three parts of a typical optical fiber? Answer: Core,
Cladding, buffer Coating. (3 C's)
◉ A simple fiber optic system consists of what four components?
Answer: Transmitter, receiver, fiber, and connector.
◉ Which optical fiber is most suited for very high speed and long
distance applications? Answer: Single-mode.
◉ The reduction of power as a signal passes through a system is
called (Also known as signal loss); Answer: Attenuation.
, ◉ A fiber optic cable which has single-mode and multi-mode optical
fibers is what kind of cable? Answer: Hybrid.
◉ A fiber with it's core having numerous concentric layers of glass,
with each layer having a lower index of refraction is what kind of
fiber? What is the core size and how is it identified now? Answer:
Multi-mode graded-index.
◉ The spreading of light pulses as they take different paths in
traveling down a fiber is known as what? Answer: Modal Dispersion.
◉ What are the two widely used methods for installing buried fiber
optic cables? Answer: Trench and Plow methods.
◉ What configurations should be used when the center pull or
backfeeding techniques are used to pull in cables? Answer: Figure
8's.
◉ During the installation of fiber optic cables, innerduct serves what
two main purposes? Answer: Expansion and Protection.
◉ Two basic methods used for installing lashed aerial cables are;
Answer: Stationary reel (pull-in) and moving reel (drive-off).
