MCQOPTIONS
Saved Bookmarks
| 1. |
The ordinary and maximum tolerance limit of sound by human being is- |
| A. | 50 db to 70 db (decibel) |
| B. | 60 db to 80 db (decibel) |
| C. | 65 db to 75 db (decibel) |
| D. | 70 db to 85 db (decibel) |
| Answer» E. | |