Environmental Acoustics MCQs
Environmental Acoustics MCQs
Try to answer these Environmental Acoustics MCQs and check your understanding of the Environmental Acoustics subject.
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1: What is the study of mechanical waves in gases, liquids, and solids?
A. Electromagnetism
B. Optics
C. Acoustics
D. Heat Transfer
2: What does a mechanical wave transfer through a medium?
A. Energy
B. Electricity
C. Information
D. Force
E. Sound
3: What is the result of vibration?
A. The object is displaced from the equilibrium
B. The object's speed and position continuously change
C. The object moves closer to or farther from the equilibrium point
D. Oscillations occur about an equilibrium point
E. The object moves in a circular pattern
4: What kind of wave is an oscillation of matter?
A. A mechanical wave
B. A light wave
C. A sound wave
5: What is a transmission medium in the case of sound?
A. A waveform
B. A sound waves
C. A gas, liquid, or solid
D. A wire
E. A metal plate
6: What type of vibration travels as an acoustic wave?
A. Vibration
B. Sound
C. Ultrasonic
D. Gamma radiation
E. Infrared radiation
7: What is the name of the sound waves with higher frequencies than the upper audible limit of human hearing?
A. Ultrasound
B. X-rays
C. Vibration
D. Echolocation
E. Cacophony
8: Low status sound is sometimes referred to as what?
A. Noise
B. Ultrasonic
C. Infrasound
D. Vibration
9: What is the branch of engineering that deals with sound and vibration?
A. Mechanical engineering
B. Structural engineering
C. Civil engineering
D. Acoustical engineering
E. Transport engineering
10: What are typically concerned with the design, analysis and control of sound?
A. Sound architects
B. Acoustical engineers
C. Music producers
D. Sound designers
11: What is another name for noise control?
A. Noise mitigation
B. Noise control
C. Noise abatement
D. Soundproofing
E. Acoustic management
12: What is a set of strategies to reduce noise pollution or to reduce the impact of that noise?
A. Law enforcement
B. Noise control or noise mitigation
C. Environmental impact assessment
D. Traffic control or traffic management
E. Community engagement
13: What is the ability to perceive sounds through an organ?
A. Hearing
B. Touching
C. Taste
D. Smelling
14: What type of communication is speech?
A. Gestural
B. Vocal
C. Written
D. Visual
15: What does it mean to be judged to be unpleasant, loud, or disruptive to hearing?
A. Disruptive
B. Unpleasant
C. Unease
D. Disruption
E. Noise
16: What can happen to the noise level during a storm?
A. Rise to 50 dB
B. Stay the same
C. Fall to 30 dB
17: What is the result of an earthquake?
A. Tsunamis
B. Landslides
C. Loud noise
D. Seismic waves
E. A broken window
18: What does a fluid do under applied shear stress?
A. Deforms
B. Pushes particles around
C. Shears
D. Separates
E. Conducts electricity
19: What are longitudinal waves?
A. Waves in which the vibration of the medium is perpendicular
B. Waves in which the vibration of the medium is at an arbitrary frequency
C. Waves in which the vibration of the medium is parallel
D. Waves in which the vibration of the medium is both parallel and perpendicular
20: What is a transverse wave in physics?
A. A wave with a variable frequency
B. A wave that travels in a straight line
C. A wave that has both amplitude and wavelength
D. A wave that has a frequency that varies as the square of the distance from its source
E. A wave whose oscillations are perpendicular to the direction of the wave's advance
21: What are waves that are an example of transverse waves?
A. Sound waves
B. Nuclear waves
C. Light waves
D. Water waves
22: What is a surface wave in physics?
A. A waveform that is created by the interference of two or more waves
B. A wave that travels through a medium at the speed of light
C. A type of electromagnetic wave that travels through a vacuum
D. A mechanical wave that propagates along the interface between differing media
23: What is the bending of waves around the corners of an obstacle or through an aperture?
A. Reflection
B. Transmission
C. Diffraction
24: What is the change in direction of a wave front at an interface between two media called?
A. Diffusion
B. Reflection
C. Transmission
25: What is the process of refraction?
A. The act of bending a ray of light
B. The spreading of waves throughout an object
C. The bending of a ray of light by a curved surface
D. Redirection of a wave as it passes from one medium to another
E. The bending of light as it passes through a material
26: What is the local pressure deviation from the ambient atmospheric pressure caused by a sound wave?
A. Air pressure
B. Sound waves
C. Wave motion
D. Acoustic pressure
E. Vibration
27: What is the unit used to measure acoustic pressure?
A. Pascal
B. Pascals
C. PetaPascal
D. Pa
28: What is the minimum sound level of a pure tone that an average human ear with normal hearing can hear with no other sound present?
A. 115 dB
B. The absolute threshold of hearing
C. 85 dBA
D. The threshold of hearing for a 20 dB HL sound
E. 132 dB
29: Loudness is the perception of what?
A. Volume
B. Sound energy
C. Sound pressure
D. Frequency
E. Pitch
30: What is the name of a type of sound with a higher frequency than 20,000 Hz?
A. Low-pitched sound
B. High-pitched sound
C. X-ray
D. Gamma Rays
E. Ultrasound
31: What is the SI unit of frequency?
A. Hertz(Hz)
B. KHz
C. Kilohertz
D. MHz
32: What is a transducer?
A. A machine that helps people with disabilities in the workforce
B. A sensor
C. A vibrating object
D. A device for converting one form of energy into another
E. A microphone
33: Electroacoustic transducers used explicitly for what?
A. Telephone lines, TV and radio signals
B. Loudspeakers, microphones, particle velocity sensors, hydrophones and sonar projectors
C. Weapon systems, airplanes, and spacecraft
D. Loudspeakers, microphones, seismographs, and sonar projectors
E. Amplifiers, speakers, and microphones
34: What type of transducers convert electrical signals into sound?
A. Ultrasonic
B. Electroacoustic
C. Piezoelectric
35: What is another name for an electroacoustic transducer?
A. Microphone
B. A loudspeaker
C. A microphone
D. A piezoelectric transducer
36: What is the SI unit of particle velocity?
A. Km/s
B. M/s
C. Nm/s
D. Mph
37: What is the simple definition of particle velocity?
A. The average velocity of a group of particles in a medium
B. The velocity of a particle in a medium as it transmits a wave
C. The speed of light in a vacuum
D. The speed of a particle as it travels through space
E. The speed at which a particle moves through a particular medium
38: What is a hydrophone used for?
A. Understanding whale sounds
B. Studying marine life
C. Identifying bird calls
D. Detecting underwater noises
E. Recording or listening to underwater sound
39: What is the relationship between people and sound called?
A. Psychoacoustics
B. Archaeoacoustics
C. Acoustics
40: What type of study is Aeroacoustics?
A. The study of sound in the atmosphere
B. The study of the flow of air over and through objects
C. The study of noise generated by other objects
D. Is the study of noise generated by air movement
E. The study of sound propagation in confined spaces
41: What do people use to create sound?
A. Musical instrument
B. Air Pressure
C. Phone
D. Air conditioning
E. Voices
42: What is the electronic manipulation of acoustic signals?
A. Voice recognition
B. Signal processing
C. Echo cancellation
D. Acoustic signal processing
43: What is a method for reducing unwanted sound?
A. Acoustic insulation
B. Soundproofing
C. Active noise control
D. Acoustic curtains
44: What is a device designed to improve hearing by making sound audible?
A. Receiver
B. Hearing aid
C. Cochlear implant
D. Amplifier
E. Ear trumpet
45: What is a cochlear implant?
A. A hearing aid
B. A pacemaker
C. A device used to treat tinnitus
D. A surgically implanted neuroprosthesis
46: What is the science and engineering of achieving good sound within a building?
A. Music acoustics
B. Architectural acoustics
C. Mechanical and civil engineering
D. Signaling and communication acoustics
E. Music theory
47: What is the scientific study of the hearing and calls of animal calls?
A. Animal behavior
B. Veterinary medicine
C. Bioacoustics
D. Animal communication
E. Otoacoustic radiation therapy
48: What is the study of the recording, manipulation, and reproduction of audio using electronics?
A. Music
B. Audio engineering
C. Electroacoustics
D. Musicology
E. Audiography
49: What is the study of the physics of acoustic instruments?
A. Acoustic engineering
B. Acoustic physics
C. Musical acoustics
D. Acoustic analysis
50: What is the branch of psychophysics concerning sound?
A. Psychophysiology
B. Phonetics
C. Aeroacoustics
D. Acoustics
E. Psychoacoustics
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