Page 46 - Mechanic Diesel - TT

MECHANIC DIESEL - CITS

Noise Pollution Examples

Following are the examples of noise pollution:
• Unnecessary usage of horns
• Using loudspeakers either for religious functions or for political purposes
• Unnecessary usage of fireworks

• Industrial noise
• Construction noise
• Noise from transportation such as railway and aircraft
Effects of Noise Pollution on Human Health Noise pollution can be hazardous to human health in the
following ways
• Hypertension: It is a direct result of noise pollution which is caused due to elevated blood levels for a longer
duration.

• Hearing loss: Constant exposure of human ears to loud noise that are beyond the range of sound that human
ears can withstand damages the eardrums, resulting in loss of hearing.
• Sleeping disorders: Lack of sleep might result in fatigue and low energy level throughout the day affecting
everyday activities. Noise pollution hampers the sleep cycles leading to irritation and an uncomfortable state
of mind.
• Cardiovascular issues: Heart-related problems such as blood pressure level, stress and cardiovascular
diseases might come up in a normal person and a person suffering from any of these diseases might feel a
sudden shoot up in the level.
Prevention of Noise Pollution
Some noise pollution preventive measures are provided in the points below.
• Honking in public places like teaching institutes, hospital, etc. should be banned.
• In commercial, hospital, and industrial buildings, adequate soundproof systems should be installed.
• Musical instruments sound should be controlled to desirable limits.

• Dense tree cover is useful in noise pollution prevention.
• Explosives should be not used in forest, mountainous and mining areas
Also other natural and manmade ingredients are important for destroy and secure necessary care clean
atmosphere provided for healthy &environment.

Application of computers & its Features

Objectives: At the end of this lesson you shall be able to
• explain about the application of computers & its features

Application of computer & features
• Computer applications

In the modern era, there is hardly any field where computers are not used.
Following are the applications of computer in some main areas:
1 Education: Through internet we can get information about any subject in a few moments. The development
of multimedia and availability of Internet has made computers extremely useful for students.

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CITS : Automotive - Mechanic Diesel - Lesson 01 - 04