Question 1

Match between columns
                        Premises: ________ Supports speeds up to 16Mbs

Accepted Answer

The Answer of Twin-Lead Cable and Category 6 Cable and is...

Question 2

The characteristic impedance of a cable _________.

Accepted Answer

A)  Changes with the length of the cable 
B)  Is a low frequency characteristic 
C)  Is always constant 
D)  Is not affected by the insulation of the conductors 
A)  Changes with the length of the cable 
B)  Is a low frequency characteristic 
C)  Is always constant 
D)  Is not affected by the insulation of the conductors C

Question 3

A 0.025" conductor is equivalent to a circular mil size of _________.

Accepted Answer

625 cm

Question 4

Unwanted transfer of signals from one conductor to another is called crosstalk.

Accepted Answer

A) True 
 B)False

Question 5

Calculate the velocity of propagation, in meters, for a cable having a velocity factor of 86%.

Accepted Answer

The answer of Calculate the velocity of propagation, in meters,...

Question 6

The larger the wire gauge number the smaller the wire diameter.

Accepted Answer

A) True 
 B)False

Question 7

Match between columns
                        Premises: ________ Used as instrumentation control wiring

Accepted Answer

The Answer of Multiconductor and Twin-Lead Cable and Coaxial Cable is...

Question 8

Match between columns
                        Premises: ________ Used for voice transmissions On old style networks

Accepted Answer

The Answer of Category 5 Cable and Twin-Lead Cable and is...

Question 9

Braided shielding can achieve 100% cable coverage.

Accepted Answer

A) True 
 B)False

Question 10

Calculate the cutoff frequency for a signal through a resistance of 10K Ω and a capacitance of 500pF.

Accepted Answer

The answer of Calculate the cutoff frequency for a signal...

Question 11

Abandoned Class 2, Class 3, audio or communication cable are  ________.

Accepted Answer

A)  Usually reclassified as Class 1 cables 
B)  Any cable not connected at one end and tagged for future use 
C)  Permitted to remain in a building or structure 
D)  Not a fire hazard 
A)  Usually reclassified as Class 1 cables 
B)  Any cable not connected at one end and tagged for future use 
C)  Permitted to remain in a building or structure 
D)  Not a fire hazard

Question 12

The value of characteristic impedance for a line is determined by the ________.

Accepted Answer

A)  Geometry of the conductors 
B)  Type of insulating material 
C)  Spacing 
D)  All the above 
A)  Geometry of the conductors 
B)  Type of insulating material 
C)  Spacing 
D)  All the above

Question 13

Calculate the characteristic impedance of a 75 Ω coaxial cable running 600ft.

Accepted Answer

The answer of Calculate the characteristic impedance of a 75...

Question 14

Silver is the most commonly used conductor plating.

Accepted Answer

A) True 
 B)False

Question 15

What causes the conductive surface area of the cable to decrease as signal frequencies increase?

Accepted Answer

A)  Characteristic Impedance 
B)  Changes in temperature 
C)  Skin effect 
D)  Bend radius 
A)  Characteristic Impedance 
B)  Changes in temperature 
C)  Skin effect 
D)  Bend radius

Question 16

Cable capacitance combined with source and cable resistance form a __________.

Accepted Answer

A)  High-pass filter 
B)  Low-pass filter 
C)  Band-pass filter 
D)  All the above 
A)  High-pass filter 
B)  Low-pass filter 
C)  Band-pass filter 
D)  All the above

Question 17

Calculate the wavelength, in meters, of a 92MHz signal through a cable having a velocity factor of 80%.

Accepted Answer

The answer of Calculate the wavelength, in meters, of a...

Question 18

The type of insulation does not affect the capacitance of the cable.

Accepted Answer

A) True 
 B)False

Question 19

Match between columns
                        Premises: ________ Supports speeds up to 250MHz

Accepted Answer

The Answer of Multiconductor and Category 6 Cable and Twisted is...

Question 20

Foil shielding offers lower DC resistance and increases the strength of the cable.

Accepted Answer

A) True 
 B)False

The characteristic impedance of a cable _________.

A 0.025" conductor is equivalent to a circular mil size of _________.

Unwanted transfer of signals from one conductor to another is called crosstalk.

Calculate the velocity of propagation, in meters, for a cable having a velocity factor of 86%.

The larger the wire gauge number the smaller the wire diameter.

Braided shielding can achieve 100% cable coverage.

Calculate the cutoff frequency for a signal through a resistance of 10K Ω and a capacitance of 500pF.

Abandoned Class 2, Class 3, audio or communication cable are ________.

The value of characteristic impedance for a line is determined by the ________.

Calculate the characteristic impedance of a 75 Ω coaxial cable running 600ft.

Silver is the most commonly used conductor plating.

What causes the conductive surface area of the cable to decrease as signal frequencies increase?

Cable capacitance combined with source and cable resistance form a __________.

Calculate the wavelength, in meters, of a 92MHz signal through a cable having a velocity factor of 80%.

The type of insulation does not affect the capacitance of the cable.

Foil shielding offers lower DC resistance and increases the strength of the cable.

Introduction to the National Electrical Code

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

Fiber-Optic Cable and National Electrical Code Article 770

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

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Exam 2: Electrical Conductors and Cable

The characteristic impedance of a cable _________.

A 0.025" conductor is equivalent to a circular mil size of _________.

Unwanted transfer of signals from one conductor to another is called crosstalk.

Calculate the velocity of propagation, in meters, for a cable having a velocity factor of 86%.

The larger the wire gauge number the smaller the wire diameter.

Braided shielding can achieve 100% cable coverage.

Calculate the cutoff frequency for a signal through a resistance of 10K Ω and a capacitance of 500pF.

Abandoned Class 2, Class 3, audio or communication cable are ________.

The value of characteristic impedance for a line is determined by the ________.

Calculate the characteristic impedance of a 75 Ω coaxial cable running 600ft.

Silver is the most commonly used conductor plating.

What causes the conductive surface area of the cable to decrease as signal frequencies increase?

Cable capacitance combined with source and cable resistance form a __________.

Calculate the wavelength, in meters, of a 92MHz signal through a cable having a velocity factor of 80%.

The type of insulation does not affect the capacitance of the cable.

Foil shielding offers lower DC resistance and increases the strength of the cable.

Introduction to the National Electrical Code

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

Fiber-Optic Cable and National Electrical Code Article 770

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