How to build a rainwater collection system - Test
  • 1. What is the primary purpose of a rainwater harvesting system?
A) To create artificial lakes
B) To divert rainwater into sewers
C) To collect and store rainwater for later use
D) To pollute rainwater sources
  • 2. What is the first component rainwater touches in a typical system?
A) Filtration system
B) Storage tank
C) First flush diverter
D) Catchment surface
  • 3. Which material is commonly used for catchment surfaces?
A) Metal roofing
B) Asbestos roofing
C) Soil
D) Gravel
  • 4. What is the function of a first flush diverter?
A) To remove initial dirty water from the roof
B) To increase water pressure
C) To add chemicals to the water
D) To heat the water
  • 5. Which type of tank is best for above-ground storage in warm climates?
A) Transparent metal
B) Opaque polyethylene
C) Concrete
D) Clear glass
  • 6. What type of filter is commonly used to remove large debris?
A) UV filter
B) Carbon filter
C) Leaf screen
D) Reverse osmosis filter
  • 7. Why is it important to have a properly sized gutter system?
A) To increase wind resistance
B) To efficiently channel rainwater to the downspout
C) To prevent sunlight from reaching the roof
D) To add aesthetic value to the house
  • 8. What is the purpose of an overflow pipe in a rainwater tank?
A) To empty the tank completely
B) To filter excess water
C) To add water from another source
D) To prevent tank rupture due to overfilling
  • 9. What is a common disinfectant used in rainwater harvesting systems?
A) Sugar
B) Fertilizer
C) Motor oil
D) Chlorine
  • 10. For what purpose is rainwater collected MOST commonly used?
A) Drinking
B) Industrial processes
C) Irrigation
D) Nuclear power
  • 11. What is a backflow preventer used for?
A) Heating the water
B) Filtering rainwater
C) Increasing water pressure
D) Preventing contamination of the potable water supply
  • 12. What is the recommended slope for gutters?
A) Perfectly level
B) Slight upward slope away from the downspout
C) Steep downward slope
D) Slight downward slope towards the downspout
  • 13. Which of these is NOT a benefit of rainwater harvesting?
A) Decreases erosion
B) Conserves potable water
C) Increases reliance on municipal water supplies
D) Reduces stormwater runoff
  • 14. What type of pump is often used to deliver rainwater for irrigation?
A) Submersible pump
B) Air pump
C) Bicycle pump
D) Hand pump
  • 15. What is the ideal pH for rainwater?
A) Highly alkaline
B) Neutral
C) Slightly acidic
D) Highly acidic
  • 16. What agency typically regulates rainwater harvesting systems?
A) National Football League
B) Local or state government
C) International Space Station
D) Federal Aviation Administration
  • 17. What type of material is unsuitable for a catchment surface?
A) Lead
B) Stainless Steel
C) Clay tiles
D) Aluminum
  • 18. Which of these is NOT a common storage tank shape?
A) Pyramid
B) Rectangular
C) Cylindrical
D) Spherical
  • 19. What maintenance task is most important for a rainwater harvesting system?
A) Ignoring the system entirely
B) Adding fertilizer to the water
C) Painting the storage tank annually
D) Regularly cleaning gutters and filters
  • 20. What is the purpose of a sediment filter?
A) To remove chemicals
B) To remove particulate matter
C) To add minerals
D) To remove bacteria
  • 21. What type of pipe is commonly used for rainwater harvesting systems?
A) Cardboard
B) Glass
C) Aluminum foil
D) PVC
  • 22. What is the role of a rainwater harvesting consultant?
A) To design and install systems.
B) To sell insurance.
C) To pilot airplanes.
D) To mine for precious metals
  • 23. What is a rain chain?
A) An alternative to a downspout.
B) A type of metal used to build roofs.
C) A type of plant that grows in rainy areas.
D) A device for measuring rainfall acidity.
  • 24. Why is it important to label pipes carrying non-potable water?
A) To make the system look more professional.
B) To prevent accidental consumption.
C) To make them easier to find.
D) To increase water pressure.
  • 25. Which of these is a water quality concern for rainwater?
A) High mineral content
B) Bird droppings
C) Excessive hardness
D) Too much oxygen
  • 26. What is the name of the process of filtering water using a series of increasingly fine sieves?
A) Reverse Osmosis
B) Photosynthesis
C) Multi-stage filtration
D) Electrolysis
  • 27. Why should a rainwater harvesting system be inspected regularly?
A) To add chemicals.
B) To identify and fix any potential problems.
C) To collect rainwater data.
D) To make sure it's attracting animals.
  • 28. In a dry climate, what design consideration becomes MOST critical?
A) Minimizing filtration
B) Maximizing storage capacity
C) Using dark-colored tanks
D) Ignoring first flush diversion
  • 29. What is the impact on your water bill after using a rainwater harvesting system?
A) It is not effected.
B) It doubles.
C) It typically increases.
D) It typically decreases.
  • 30. What is the best type of paint for a rainwater harvesting tank?
A) Non-toxic
B) Highly toxic
C) Lead-based
D) Oil-based
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