Water Quality and Heavy Metals Quiz

What are examples of heavy metals mentioned in the text?

• Lead, iron, mercury, cadmium, zinc, arsenic, copper, chromium

• Gold, silver, platinum, palladium

• Aluminum, tin, nickel, cobalt

• Sodium, potassium, calcium, magnesium

What does a TDS meter measure?

• The temperature of water

• The amount of dissolved substances like salts, minerals, and metals in water

• The pH level of water

• The flow rate of water

Which use of water is essential for preparing meals?

• Fire protection

• Food preparation

• Industrial purposes

• Cooling

In a water supply system, what is the role of the distribution component?

• To treat water

• To store water

• To distribute water to consumers

• To supply water directly from the source

What process occurs at the treatment stage of a water supply system?

• Water is stored

• Water is treated to remove impurities

• Water is distributed to consumers

• Water is supplied from the source

What is the purpose of wells in relation to aquifers?

• To store water

• To remove water

• To filter water

• To heat water

What does the amount of water treatment depend on?

• The temperature of the water

• The quality of the source

• The color of the water

• The time of year

What can be used to increase pressure in commercial or industrial facilities?

• Valves

• Pumps

• Compressors

• Filters

What is the healthy pH level for potable water?

• 2

• 7

• 14

• 5