nvh engineer

nvh engineer Interview Questions and Answers

Updated 2 Oct 2021

Q1. If sound pass through any wall or some structure , there is a 3 possibility ( Either it transmitted or reflected or absorbed) these phenomenon is called sound transmission loss.

Ans.

Sound transmission loss refers to the phenomenon of sound being either transmitted, reflected or absorbed when passing through a wall or structure.

Sound transmission loss is measured in decibels (dB).
The higher the transmission loss, the less sound is transmitted through the wall or structure.
Transmission loss can be improved by adding sound insulation materials such as acoustic foam or mass loaded vinyl.
Examples of structures with high transmission loss include concrete wall...read more

Ans.

Sound transmission loss is the measure of how much sound is blocked by a material or structure.

It is measured in decibels (dB).
Higher the transmission loss, better the sound insulation.
It depends on the frequency of the sound and the thickness and density of the material.
Examples of materials with high transmission loss are concrete, brick, and lead.
It is important in designing soundproofing for buildings, vehicles, and machinery.