Question 1

Calculate the 5th octave of a 200Hz tone.

Accepted Answer

Question 2

Dynamic range represents the maximum span between the loudest and softest level of sound.

Accepted Answer

A) True 
 B)False

Question 3

The threshold of hearing is set to 0dB.

Accepted Answer

A) True 
 B)False

Question 4

The velocity of sound decreases at temperature increases.

Accepted Answer

A) True 
 B)False

Question 5

A sound wave is an example of a ____________wave.

Accepted Answer

A)  vacuum 
B)  electromagnetic 
C)  electrostatic 
D)  mechanical 
A)  vacuum 
B)  electromagnetic 
C)  electrostatic 
D)  mechanical

Question 6

The regions of high pressure in a sound wave are called _______.

Accepted Answer

A)  rarefactions 
B)  compressions 
C)  intensity 
D)  sound pressure level 
A)  rarefactions 
B)  compressions 
C)  intensity 
D)  sound pressure level

Question 7

Calculate the voltage loss, in decibels, for a load measuring 18V and a source measuring 24V.

Accepted Answer

The answer of Calculate the voltage loss, in decibels, for...

Question 8

The human ear detects all frequencies equally.

Accepted Answer

A) True 
 B)False

Question 9

0dB represents a complete absence of sound.

Accepted Answer

A) True 
 B)False

Question 10

Any two sounds whose frequencies make a 2:1 ratio are said to be separated by an octave.

Accepted Answer

A) True 
 B)False

Calculate the 5^th octave of a 200Hz tone.

Dynamic range represents the maximum span between the loudest and softest level of sound.

The threshold of hearing is set to 0dB.

The velocity of sound decreases at temperature increases.

A sound wave is an example of a ____________wave.

The regions of high pressure in a sound wave are called _______.

Calculate the voltage loss, in decibels, for a load measuring 18V and a source measuring 24V.

The human ear detects all frequencies equally.

0dB represents a complete absence of sound.

Any two sounds whose frequencies make a 2:1 ratio are said to be separated by an octave.

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 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 4: Audio Physics

Calculate the 5th octave of a 200Hz tone.

Dynamic range represents the maximum span between the loudest and softest level of sound.

The threshold of hearing is set to 0dB.

The velocity of sound decreases at temperature increases.

A sound wave is an example of a ____________wave.

The regions of high pressure in a sound wave are called _______.

Calculate the voltage loss, in decibels, for a load measuring 18V and a source measuring 24V.

The human ear detects all frequencies equally.

0dB represents a complete absence of sound.

Any two sounds whose frequencies make a 2:1 ratio are said to be separated by an octave.

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 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

Calculate the 5^th octave of a 200Hz tone.