Font size
WorksheetsLecture 1
Total questions: 30
Worksheet time: 10mins
Sound affects building users through?
Quality of Noise
Location of Noise
Amount of Noise
Proximity of Noise
What is Sound?
A form of energy that could not be transmitted through water
A form of energy that causes desired auditory sensation
A form of energy that is transmitted through vacuum
A form of energy that stops the vibration of ear drums
What is Noise?
Low Quality of Sound
Metal Rock Songs
High Amount of Sound
Undesired Sound
Which below could measure the sound?
Audiometer
Radiogram
Audiogram
Spectroradiometer
What is the general function of Audiometer?
Challenges subject's responses to varying sound frequencies
Records subject's hearing
Measures subject's responses to varying sound intensities
Measures subject's hearing acuity
Below are the Sound Properties except?
Transmission
Frequency
Reverberation
Wavelength
When Sound Energy is in a high state and being transmitted through air, it causes?
Low proximity of Air Molecules
Low Amount of Sound Amplitude
Scattered Patterns of Air Molecules
High Amount of Sound Amplitude
Below are the components of a sound wave, except?
Crest
Time
Proximity
Through
What is the measurement of Frequency?
Pitch
Cycle per Second (CPS)
dB
Meter
What is Pitch?
Frequency
Amplitude
Volume
Wavelength
What is Sound Distance?
Amplitude
Frequency
Pressure
Wavelength
The sound wave cycle is considered complete when?
The wave starts at the middle, plotting a peak and a crest and ends at the middle again
The length of sound wave cycle is long
The wave starts from the peak plot and ends at the crest plot
The distance between two successive peaks is long
What is the common measurement unit of Wavelength?
nm
cm
mm
m
Wavelengths in audible sound are much shorter than those in visible light. True or False?
True
False
When the Sound Energy is in a low state, it causes?
High Sound Frequency
Short Sound Wavelength
High Sound Amplitude
Long Sound Wavelength
What is the measurement unit of Amplitude?
f
a
m
m/s
What determines the loudness/volume of a sound?
Sound Reverberation
Sound Frequency
Sound Duration
Sound Amplitude
What is Hertz?
Distance of a complete cycle
Pressure of a sound
Cycle per second
Volume of a sound
Decibel (dB) is the measurement unit of?
Sound Pressure
Sound Frequency
Sound Volume
Sound Intensity
Which one (1) below is considered as Moderate Decibel (dB) for human hearing?
120 dB
90 dB
70 dB
50 dB
Sound Level describes all below, except?
Sound Power per unit Area (W/A)
Transmitted Sound Energy
Sound Power per unit Sphere Area (W/4πr²)
Sound Power
Sound Power describes all below, excepts?
Sound Power per unit Area (W/A)
Transmitted Sound Energy
Sound Power per unit Sphere Area (W/4πr²)
Sound Power
The common measurement os Sound Intensity at a listener's position is?
Sound Power per unit Area (W/m2)
Sound Power per unit Sphere Area (W/4πr2)
When the Sound Energy is being transmitted twice (2r) as far from the sound source, the sound is actually being spreaded over _________ times the Area (A)?
1 time
2 times
3 times
4 times
Which one (1) below describes Reverberation?
Heard as twice
Heard as a continuous sound
Heard as delayed sound
Heard distinctly from the original sound
What is the frequency range for a healthy young human?
10 Hz - 10,000 Hz
20 Hz - 20,000 Hz
30 Hz - 30,000 Hz
40 Hz - 40,000 Hz
Which one below is not considered as a noise source?
Transportation Noise
Animals Noise
Consumer Products Noise
Industrial Noise
Which one (1) below is not the effects of Hearing Loss?
Tinnitus
Low Self-confidence
Loneliness
Hypertension
Which one (1) below does not causes Hearing Loss?
Body Trauma
Aging
Ear Infection
Exposure to high level of noise
Which two (2) below are not related to Noise Induced Hearing Loss (NIHL)?
Sleeping related illness
Eating related illness
Leisure activities related illness
Work activities related illness
