Question 1

On specification data sheet for optical fiber, this critical angle is known as ____________.

Accepted Answer

A)  The index of reflection 
B)  The core index 
C)  The index of refraction 
D)  The numeric aperture 
A)  The index of reflection 
B)  The core index 
C)  The index of refraction 
D)  The numeric aperture

Question 2

The transmission of light through fiber-optic cables is faster than copper conduction.

Accepted Answer

A) True 
 B)False

Question 3

There is a difference between the index of refraction between the core and cladding of an optical fiber cable.

Accepted Answer

A) True 
 B)False

Question 4

Optical fiber cable will not protect circuits from electromagnetic interference (EMI).

Accepted Answer

A) True 
 B)False

Question 5

When fiber optic cables are manufactured, there can be slight flaws in the glass causing signal loss.

Accepted Answer

A) True 
 B)False

Question 6

The metallic components of conductive optical fiber cable _________.

Accepted Answer

A)  Does not require grounding since there is no current flow 
B)  Must be grounded 
C)  Must be separated from Class 2 and Class 3 circuits 
D)  Are used to carry current for optional circuits 
A)  Does not require grounding since there is no current flow 
B)  Must be grounded 
C)  Must be separated from Class 2 and Class 3 circuits 
D)  Are used to carry current for optional circuits

Question 7

Splicing fiber-optic cable either mechanically or by fusing two ends together will cause an average _______ loss of signal.

Accepted Answer

A)  0.12dB 
B)  0.2dB 
C)  1dB 
D)  2dB 
A)  0.12dB 
B)  0.2dB 
C)  1dB 
D)  2dB

Question 8

Light travels in the form of an electromagnetic wave.

Accepted Answer

A) True 
 B)False

Question 9

Nonconductive optical fiber cables can be run in the same raceway or cable tray as Class 1 circuits.

Accepted Answer

A) True 
 B)False

Question 10

Loose-tube cable is more commonly used inside a building.

Accepted Answer

A) True 
 B)False

On specification data sheet for optical fiber, this critical angle is known as ____________.

The transmission of light through fiber-optic cables is faster than copper conduction.

There is a difference between the index of refraction between the core and cladding of an optical fiber cable.

Optical fiber cable will not protect circuits from electromagnetic interference (EMI).

When fiber optic cables are manufactured, there can be slight flaws in the glass causing signal loss.

The metallic components of conductive optical fiber cable _________.

Splicing fiber-optic cable either mechanically or by fusing two ends together will cause an average _______ loss of signal.

Light travels in the form of an electromagnetic wave.

Nonconductive optical fiber cables can be run in the same raceway or cable tray as Class 1 circuits.

Loose-tube cable is more commonly used inside a building.

Introduction to the National Electrical Code

Electrical Conductors and Cable

Grounding and Bonding and the 2011 National Electrical Code, Articles 250, 800, 810, and 820

Audio Physics

Audio Signal-Processing, Amplification, and Reproduction Equipment and National Electrical Code Article 640

Networking and Information Technology Equipment

Power Supplies, Batteries, and Emergency Systems

Article 725 of the National Electrical Code; Classification of Circuits

Fire Alarm Systems and National Electrical Code Article 760

Telecommunications, and National Electrical Code Article 800

Security and Card Access System Basics

Wireless Communications and National Electrical Code Article 810

Close Circuit Television Camera Systems and National Electrical Code Article 820

Filters

Exam 10: Fiber-Optic Cable and National Electrical Code Article 770

On specification data sheet for optical fiber, this critical angle is known as ____________.

The transmission of light through fiber-optic cables is faster than copper conduction.

There is a difference between the index of refraction between the core and cladding of an optical fiber cable.

Optical fiber cable will not protect circuits from electromagnetic interference (EMI).

When fiber optic cables are manufactured, there can be slight flaws in the glass causing signal loss.

The metallic components of conductive optical fiber cable _________.

Splicing fiber-optic cable either mechanically or by fusing two ends together will cause an average _______ loss of signal.

Light travels in the form of an electromagnetic wave.

Nonconductive optical fiber cables can be run in the same raceway or cable tray as Class 1 circuits.

Loose-tube cable is more commonly used inside a building.

Introduction to the National Electrical Code

Electrical Conductors and Cable

Grounding and Bonding and the 2011 National Electrical Code, Articles 250, 800, 810, and 820

Audio Physics

Audio Signal-Processing, Amplification, and Reproduction Equipment and National Electrical Code Article 640

Networking and Information Technology Equipment

Power Supplies, Batteries, and Emergency Systems

Article 725 of the National Electrical Code; Classification of Circuits

Fire Alarm Systems and National Electrical Code Article 760

Telecommunications, and National Electrical Code Article 800

Security and Card Access System Basics

Wireless Communications and National Electrical Code Article 810

Close Circuit Television Camera Systems and National Electrical Code Article 820

Filters