Water Usage in Industries and Environment

The video discusses the critical role of water in various industries, highlighting its limited availability despite covering 71% of Earth's surface. It provides statistics on water usage in Brazil, emphasizing the significant consumption by agriculture and industries. The video explores how water is used as a raw material and in industrial processes, including energy production. It addresses challenges like water scarcity and wastage, proposing solutions such as water reuse and dry ice cleaning. The importance of efficient water management in industries to mitigate environmental impacts is underscored.

Why is it crucial to consume water responsibly?

• Because it is colorful.

• Because it tastes good.

• Because it is limited and essential for life.

• Because it is expensive.

What percentage of the Earth's surface is covered by water?

• 50%

• 60%

• 80%

• 71%

Which sector is the largest consumer of water in Brazil?

• Agriculture

• Industries

• Rural consumers

• Urban consumers

What percentage of water is used by industries in Brazil?

• 72%

• 9%

• 11%

• 7%

Which of the following is an example of water used as a raw material?

• Water used for cooling machines

• Water used in mineral water bottles

• Water used in energy production

• Water used for cleaning floors

Why is water used as a solvent in industries?

• Because it can dissolve many substances

• Because it is colorful

• Because it has a high boiling point

• Because it is cheap

How is water used in the cooling process in industries?

• By mixing it with chemicals

• By evaporating and removing heat from equipment

• By freezing it

• By heating it up

What is the role of water in thermal power plants?

• To produce steam that drives turbines

• To cool down the generators

• To clean the machinery

• To store energy

What is one method industries use to reduce water consumption?

• Using more water

• Reusing water for other processes

• Ignoring water waste

• Using untreated water

What is a benefit of using dry ice in industrial cleaning?

• It is more colorful

• It is cheaper than water

• It can remove substances like paint and grease

• It is easier to store