Correct Answer - Option 1 : up to 75 dB
Concept-
What is NOISE?
- Noise is described as any unwanted sound.
- Music is sound that pleases the listeners, while noise is sound that induces discomfort and irritation.
- What is music to one person can be noise to another.
-
Decibels are units of measurement for sound (dB). The louder the noise, the higher the decibel level.
- The majority of machines designed for industrial purposes are for high-speed transportation or to make life more comfortable by providing additional comfort reduces the tedium of daily life and speeds up our schedules. They offer more leisure hours, but they are accompanied by noise, which is harmful to the environment, including humans.
- Noise avoidance and regulation are critical because noise affects our ears, ability to speak, and behavior.
The Environment (Protection) Act 1986
- The Environment (Protection) Act of 1986 empowers the central government to preserve and enhance environmental quality, regulate and minimize emissions from all sources, and prohibit or limit the establishment and/or operation of any industrial facility based on environmental considerations.
- There are certain rules that are determined under this act and are called Environment (protection) rules, 1986.
- These rules are amended according to the need of the situation.
- According to the amended rules of 2002, noise limits for vehicles applicable at the manufacturing stage from the year 2003 are -
| TYPE OF VEHICLE |
NOISE LIMITS from 1st January 2003 (dB) |
|
Two-wheeler
Displacement up to 80cm3
Displacement more than 80cm3 but up to 175cm3
Displacement more than 175cm3
|
75
77
80
|
|
Three-wheeler
Displacement up to 175cm3
Displacement more than 175cm3
|
77
80
|
| Passenger Car |
75 |
EXPLANATION -
- The Noise limit for a two-wheeler (displacement up to 80 cm3) at the manufacturing stage [from the year 2003] is 75 dB(Decibel).
So, the correct option for this question is - 75 dB.
