Quiz Water Supply

Which of the following industries uses the most water in manufacturing?

• Textile

• Beverage

• Steam power stations

• Food

What percentage of global industrial water usage occurs in high-income countries?

• 59%

• 22%

• 8%

• 78%

Which process requires 800 tons of water per ton of coal for cooling?

• Textile production

• Large steam power stations

• Oil refining

• Sugar-beet processing

Groundwater is replenished by:

• Ocean currents

• Precipitation and streams

• Industrial effluents

• None of the above

What is a characteristic of surface water?

• Found in saturated zones of rock

• Requires extraction wells

• Includes rivers and lakes

• Contains zero impurities

Which of these factors affects water quality?

• Odor

• Suspended solids

• Temperature

• All of the above

What is considered "soft water" based on hardness?

• Less than 60 ppm

• 60-120 ppm

• 120-180 ppm

• More than 180 ppm

Total alkalinity is determined by titration to a pH endpoint of:

• 3.5

• 4.6

• 7.0
  

• 9.5

Which of the following is NOT a method of water treatment?

• Disinfection

• Coagulation

• Ion exchange

• Chromatography

What is the most common disinfectant used in water treatment?

• Sodium hypochlorite

• Hydrogen peroxide

• Ethanol

• Potassium chloride