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