Question
Download Solution PDFAs per BIS code, the acceptable indoor noise level in libraries is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
IS:4954-1968:- Recommendations for Noise Abatement in Town Planning
The acceptable noise levels for outdoor and indoor levels in different types of residential areas is given in below table:
| Acceptable outdoor noise levels in residential areas | ||
| S.No. | Location | Noise level dB |
| 1 | Rural | 25-35 |
| 2 | Suburban | 30-40 |
| 3 | Residential (Urban) | 35-45 |
| 4 | Urban (residential and business) | 40-50 |
| 5 | City | 45-55 |
| 6 | Industrial area | 50-60 |
The acceptable noise levels for indoor levels in different types of residential areas is given in below table:
| Acceptable Indoor noise levels for various types of buildings | ||
| S.No. | Location | Noise level dB |
| 1 | Radio & TV studio | 25-30 |
| 2 | Music room | 30-35 |
| 3 | Hospitals, classrooms, auditoria | 35-40 |
| 4 | Apartments, hotels, homes | 35-40 |
| Conference, rooms, small offices | ||
| 5 | Courtrooms, private offices, libraries | 40-45 |
| 6 | Large public offices, banks, stores, etc | 45-50 |
| 7 | Restaurants | 50-55 |
Last updated on Jun 26, 2025
-> The cancellation of the DSSSB JE recruitment for Advertisement Number 01/21 has been revoked by the exam authorities. The result of the recruitment exam will be declared soon.
-> The DSSSB JE Recruitment 2025 notification will be announced shortly for Junior Engineer posts in different Engineering branches.
-> DSSSB JE Tier 2 Result has been released for the post of Junior Engineer (Electrical) (Post Code 802/22). The exam was conducted on 4th March 2024.
-> The vacancies are released every year and examinations are conducted in various stages for recruitment.
-> A total of 691 vacancies were announced for the DSSSB JE Recruitment 2023.
-> The selection process will include Tier I and Tier 2 examinations. Candidates can practice more questions from the DSSSB JE Previous year papers and DSSSB JE mock tests.