Architectural Acoustics MCQs
Architectural Acoustics MCQs
Architectural Acoustics MCQs extensive collection that cover a wide range of topics to enhance your knowledge. We offer comprehensive MCQ resource to test your Architectural Acoustics knowledge.
1: The number of cycles per unit time of a wave or oscillation.
A. Wave
B. Frequency
C. Wavelength
D. Intensity
2: A type of Light colour temperature which is best in kitchens, bathrooms or garages; giving rooms a whiter, more energetic feel
A. Bright While/ Cool White
B. Daylight
C. Soft white/Warm White
D. Neutral white
3: A type of Light colour temperature which is best in bathrooms, kitchens and basements; good for reading, intricate projects, or applying makeup-provides the greatest contrast among colours.
A. Bright White/Cool White
B. Daylight
C. Soft white/Warm White
D. Neutral white
4: The amount of light or density of luminous flux striking a unit area.
A. Luminance
B. Illuminance
C. Lumen
D. Lux
5: HCL expresses the positive effect of light and lighting on the health, well-being and performance of humans and thus has both short and long-term benefits.
A. Human Certification Lighting
B. Health Certification Lighting
C. Health Centric Lighting
D. Human Centric Lighting
6: The glare of all luminaires that are in the room regularly can be evaluated with the UGR method, as specified in the standard EN 12464-1 “Lighting of indoor workplaces”. What is UGR?
A. Uniform glaring rate
B. Unified glare rating
C. Unified glaring rate
D. Uniform glare rating
7: An electrical lamp that produces light by an electric arc through a gaseous mixture of vaporised mercury and metal halides.
A. High Pressure Sodium Lamp
B. Metal Halide Lamp
C. Low Pressure Sodium Lamp
D. High Pressure Mercury Lamp
8: Lamps have a borosilicate glass gas discharge tube (arc tube) containing solid sodium, a small amount of neon, and argon gas in a Penning mixture to start the gas discharge.
A. High Pressure Sodium Lamp
B. Metal Halide Lamp
C. Low Pressure Sodium Lamp
D. High Pressure Mercury Lamp
9: A Lamp that produces light as a result of an electrical discharge, generated between two electrodes, in a high-pressure mercury vapour that is contained in a transparent bulb.
A. High Pressure Sodium Lamp
B. Metal Halide Lamp
C. Low Pressure Sodium Lamp
D. High Pressure Mercury Lamp
10: The distance, measured in the direction of propagation of a wave, from any one point to the next point of corresponding phase.
A. Wave
B. Wavelength
C. Phon
D. Hertz
11: Defined as the loss that occurs when a sound goes through a partition or barrier. A higher TL number means more loss, i.e., less acoustic energy gets through.
A. Transmission loss
B. Transferral loss
C. Conveyance loss
D. Transference loss
12: The velocity of sound travelling through air.
A. Frequency
B. Speed of sound
C. Sound Intensity
D. Phon
13: The rate at which acoustic energy flows through a medium, expressed in watts per square metre.
A. Sound Pressure
B. Frequency
C. Wavelength
D. Sound Intensity
14: An apparent shift in frequency occurs when an acoustic source and listener are in motion relative to each other, the frequency increasing when the source and listener approach each other and decreasing when they move apart.
A. Concave Effect
B. Convex Effect
C. . Doppler Effect
D. Harmonic
15: The maximum deviation of a wave or alternating current from its average value.
A. Frequency
B. Wave form
C. Rise
D. Amplitude
16: The SI unit of frequency, equal to one cycle per second.
A. Hertz
B. Pitch
C. Octave
D. Phon
17: What is a vibration having a frequency that is an integral multiple of that of the fundamental.
A. Harmonic
B. Pitch
C. Octave
D. Sone
18: The level of sound intensity is high enough to produce the sensation of pain in the human ear, usually around 130 db.
A. Auditory fatigue
B. Threshold of hearing
C. Threshold of pain
D. Loudness
19: The unit for expressing the relative pressure or intensity of sounds on a uniform scale from 0 for the least perceptible sound to about 130 for the average threshold of pain.
A. Decibel
B. Hertz
C. Sone
D. Sound intensity
20: The minimum sound pressure capable of stimulating an auditory sensation; usually 20 micropascal or zero db.
A. Auditory fatigue
B. Threshold of hearing
C. Threshold of pain
D. Loudness
21: Which of the following wall types shows the highest sound insulation values?
A. 12” Brick wall
B. Staggered stud wall with absorbent blanket
C. 7” Concrete wall
D. Staggered stud wall.
22: The repetition of the sound produced by the reflection of sound waves from an obstructing surface, loud enough and received late enough to be perceived as distinct from the source.
A. Echo
B. Flutter
C. Resonance
D. Attenuation
23: In general, plantings by themselves do not provide much sound attenuation. It is more effective, therefore, to use plantings in conjunction with other noise reduction techniques and for aesthetic enhancement.
A. True
B. False
24: What is the persistence of a sound within an enclosed space, caused by multiple reflections of the sound after its source has stopped.
A. Echo
B. Reverberation
C. Flutter
D. Resonance
25: The intensification and prolongation of sound produced by sympathetic vibration.
A. Resonance
B. Attenuation
C. Echo
D. Flutter
26: The decrease in energy or pressure per unit area of a sound wave, occurring as the distance from the source increases as a result of absorption, scattering, or spreading in three dimensions.
A. Resonance
B. Reverberation
C. Attenuation
D. Echo
27: Sound waves are what type of wave?
A. Longitudinal Waves
B. Transverse Waves
C. Direct waves
D. Indirect waves
28: Double-glazed windows are paired panes separated by an airspace or hung in a special frame. Which of the following techniques cannot increase the performance of the double-glazed window in reducing noise?
A. Increasing the airspace width between panes
B. Increasing the glass thickness
C. Use of slightly similar thickness of the panes
D. Proper use of sealing
29: The combination of microphones, signal processors, amplifiers, and loudspeakers in enclosures all controlled by a mixing console that makes live or pre-recorded sounds louder and may also distribute those sounds to a larger or more distant audience.
A. Loudspeaker Arrays
B. Mixing Console
C. Signal Processors
D. Sound Reinforcement System
30: For buildings as noise shields; a long building, or a row of buildings parallel to a highway cannot shield other more distant structures or open areas from noise.
A. True
B. False
31: A wave in which the particles of the medium vibrate back and forth in the ‘same direction’ in which the wave is moving. Medium can be solid, liquid or gases.
A. Longitudinal Waves
B. Transverse Waves
C. Direct waves
D. Indirect waves
32: The process of adding background sound to reduce noise distractions, protect speech privacy and increase office comfort
A. Sound masking
B. Sound concealing
C. Sound covering
D. Sound taping
33: A science that deals with the production, control, transmission, reception, and effects of sound
A. Audiology
B. Acoustics
C. Sonochemistry
D. Thermoacoustics
34: The time required for one complete cycle of a wave oscillation.
A. Cycle
B. Period
C. Time
D. Amplitude
35: A high-density part of the wave. It is the peak of the wave
A. Compression
B. Wavelength
C. Frequency
D. Refraction
36: A low-density part of the wave. This is the trough of the wave.
A. Compression
B. Wavelength
C. Frequency
D. Refraction
37: A measure of the energy loss of sound propagation media?
A. Acoustic attenuation
B. Acoustic emission
C. Acoustic levitation
D. Acoustic impedance
38: A measure of the opposition that a system presents to the acoustic flow resulting from an acoustic pressure applied to the system.
A. Acoustic attenuation
B. Acoustic emission
C. Acoustic levitation
D. Acoustic impedance
39: A family of non-destructive testing techniques based on the propagation of ultrasonic waves in the object or material tested. It is used in many industries including steel and aluminium construction, metallurgy, manufacturing, aerospace, automotive and other transportation sectors.
A. Ultrasonic testing
B. Ultrasound testing
C. Acoustic testing
D. Acoustic emission
40: Refers to the deflection of sound waves around a small obstacle or part of an obstacle, or at the edge of a large obstacle or restricted opening.
A. Resonance
B. Rarefaction
C. Reflection
D. Diffraction
41: Ultrasonic waves are sound waves transmitted at a frequency greater than ____ hertz per second or beyond the normal hearing range of humans.
A. 12,000
B. 15,000
C. 10,000
D. 20,000
42: The human ear has receptors that can detect sound frequencies ranging from 16 vibrations to _____ vibrations per second.
A. 30,000
B. 35,000
C. 25,000
D. 20,000
43: Perceived as how "loud" or "soft" a sound is and relates to the totaled number of auditory nerve stimulations over short cyclic time periods, most likely over the duration of theta wave cycles.
A. Phon
B. Intensity
C. Loudness
D. Pitch
44: A transducer that converts sound into an electrical signal.
A. Signal Processors
B. Microphones
C. Amplifiers
D. Loudspeakers
45: The scientific study of sound perception and audiology – how humans perceive various sounds. More specifically, it is the branch of science studying the psychological and physiological responses associated with sound (including noise, speech and music).
A. Psychology acoustics
B. Psycholinguistics
C. Cognitive neuroscience of music
D. Psychoacoustics
46: He is considered as the father of architectural acoustics.
A. Wallace Clement Sabine
B. Wallace Clement Sabine
C. Wallace Clement Sabine
D. Wallace Clement Sabine
47: A type of noise that is produced by combining sounds of all different frequencies together.
A. Impulsive noise
B. Black noise
C. Intermittent noise
D. White noise
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