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ECEN 102 1-5 ME

Authored by Engr Bayani

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ECEN 102 1-5 ME
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

is the total airborne sound energy radiated by a sound source per unit of time.

sound power

sound pressure

sound intensity

any of the choices

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the SI unit of sound power?

Watt

Decibel

Hertz

Newton

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a measure of the average sound intensity over a given area?

Sound power

Sound pressure

Sound intensity

Sound frequency

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What property of a sound wave determines its loudness?

Frequency

Amplitude

Wavelength

Speed

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

is the result of sound sources radiating sound energy that is transferred into a specific acoustical environment and measured at a specific location

sound power

sound intensity

sound pressure

sound level

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

identify the type of sound source

plane source

line source

point source

center source

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

identify type of sound source

plane source

point source

line source

parallel source

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