Acoustical Engineering MCQs (Chapterwise Multiple Choice Questions)

What unit of sound absorption is a Sabin?

One square foot of material

The amount of material used and its absorption coefficients

One cubic foot of material

The standard range of frequencies 125-4000 Hz

Answer & Explanation

Correct Answer: One square foot of material

Note: This Question is unanswered, help us to find answer for this one

What does an ADC do?

Converts analog signals to digital

Converts digital signals to analog

Boosts audio signals

Converts AC to DC power

Answer & Explanation

Correct Answer: Converts analog signals to digital

Note: This Question is unanswered, help us to find answer for this one

What does the acronym HALT stand for?

Highly accelerated life tests

Highly active long-term

Homeostatic anxiety level tests

High altitude long-term

Answer & Explanation

Correct Answer: Highly accelerated life tests

Note: This Question is unanswered, help us to find answer for this one

What is an example of a mechanical coupling?

Two objects that are rigidly connected

Air ducts and plumbing

An acoustically isolated room

Two isolated wall partitions are mechanically coupled if rigid electrical conduit is fastened to both walls.

Answer & Explanation

Correct Answer: Two isolated wall partitions are mechanically coupled if rigid electrical conduit is fastened to both walls.

Note: This Question is unanswered, help us to find answer for this one

What is the purpose of a Septum?

To create sound waves

To prevent sound waves from piercing through absorptive material.

To allow sound waves to pass through absorbent material

To absorb sound waves

Answer & Explanation

Correct Answer: To prevent sound waves from piercing through absorptive material.

Note: This Question is unanswered, help us to find answer for this one

What does A-weighted sound level refer to?

The weight of the sound

Sound coming from a weight

A measuring unit for sound

Airborne sound

Answer & Explanation

Correct Answer: Airborne sound

Note: This Question is unanswered, help us to find answer for this one

What is the name for sounds of a frequency lower than 20 hertz?

Infrasonic

Supersonic

Ultrasonic

Hypersonic

Answer & Explanation

Correct Answer: Infrasonic

Note: This Question is unanswered, help us to find answer for this one

What is another word for SWB?

WIDEBAND

SUPER WIDEBAND

BROADBAND

WIRELESS

LAN

Answer & Explanation

Correct Answer: SUPER WIDEBAND

Note: This Question is unanswered, help us to find answer for this one

What is the primary benefit of a higher bit depth?

More bass

Higher resolution, signal-to-noise ratio, and dynamic range in PCM digital audio.

Clearer sound

Louder volume

Answer & Explanation

Correct Answer: Higher resolution, signal-to-noise ratio, and dynamic range in PCM digital audio.

Note: This Question is unanswered, help us to find answer for this one

Which of the following is true about noise-induced hearing loss?

The hearing loss is worse on the side of exposure and is most pronounced in the higher frequencies.

The hearing loss is better on the side of exposure and is most pronounced in the lower frequencies.

The hearing loss is better on the side of exposure and is most pronounced in the higher frequencies.

The hearing loss is worse on the side of exposure and is most pronounced in the lower frequencies.

Answer & Explanation

Correct Answer: The hearing loss is worse on the side of exposure and is most pronounced in the higher frequencies.

Note: This Question is unanswered, help us to find answer for this one

Acoustical Engineering Quick Quiz

Poor Results!

You need a lot of improvement.

Just don't give up!

Correct Answers: 0/10

Start Practicing with our MCQs given below.

MCQ on Acoustic modelling software	MCQ on Acoustical Modeling
MCQ on Acoustical and Audio Measurements	MCQ on Acoustics Design Practicum
MCQ on Architectural Acoustics	MCQ on Audio Visual System Design
MCQ on Basic Acoustical Engineering	MCQ on Basic Audiology
MCQ on Ear Anatomy	MCQ on Electroacoustics
MCQ on Environmental Acoustics	MCQ on Measurement of Noise
MCQ on Microphones	MCQ on Musical Acoustics
MCQ on Noise & Vibration Control	MCQ on Noise Control
MCQ on Psychoacoustics	MCQ on Sound Insulation
General Acoustical Engineering MCQs