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How to do basic plumbing repairs - Quiz
Contributed by: Sadler
  • 1. What is the first thing you should do before starting any plumbing repair?
A) Call a plumber
B) Grab your tools
C) Start disassembling the pipe
D) Turn off the water supply
  • 2. What tool is best for tightening or loosening nuts and bolts on plumbing fixtures?
A) Screwdriver
B) Pliers
C) Hammer
D) Adjustable wrench
  • 3. What is Teflon tape used for?
A) Holding pipes together
B) Insulating pipes
C) Sealing pipe threads
D) Cleaning pipes
  • 4. Which type of pipe is commonly used for water supply lines?
A) Clay
B) Orangeburg
C) PEX
D) Cast iron
  • 5. What is the purpose of a pipe wrench?
A) Grip and turn pipes
B) Cut pipes
C) Clean pipes
D) Measure pipes
  • 6. What is a common cause of a leaky faucet?
A) Clogged drain
B) Worn-out O-ring
C) Broken pipe
D) High water pressure
  • 7. How can you unclog a sink drain?
A) Hit the pipe with a hammer
B) Use a plunger
C) Add more water
D) Ignore it
  • 8. What is the purpose of a shut-off valve?
A) To increase water pressure
B) To stop the flow of water
C) To filter water
D) To measure water usage
  • 9. What tool is used to cut copper pipes?
A) Hacksaw
B) Chisel
C) Knife
D) Tube cutter
  • 10. What is flux used for when soldering copper pipes?
A) To clean and prepare the joint
B) To cool the joint
C) To insulate the joint
D) To decorate the joint
  • 11. What is a good way to prevent pipes from freezing in cold weather?
A) Turn off the heat
B) Open all windows
C) Run hot water continuously
D) Insulate the pipes
  • 12. What is the purpose of a P-trap?
A) To catch large debris
B) To increase water pressure
C) To prevent sewer gases from entering the house
D) To filter water
  • 13. Which type of pipe is NOT suitable for potable (drinking) water?
A) CPVC
B) ABS
C) PEX
D) Copper
  • 14. What is the purpose of a snake or auger?
A) To clear clogged drains
B) To cut pipes
C) To tighten pipes
D) To measure pipe length
  • 15. What should you do if you find a major leak?
A) Call a neighbor
B) Try to fix it while the water is still running
C) Shut off the main water supply
D) Ignore it and hope it goes away
  • 16. What safety precaution should you take when soldering?
A) Work in a confined space
B) Wear safety glasses
C) Touch the hot pipe immediately
D) Wear shorts and sandals
  • 17. What is the best way to remove a stubborn bolt?
A) Use penetrating oil
B) Melt it with a torch
C) Hit it harder with a hammer
D) Ignore it
  • 18. What is the purpose of a water pressure regulator?
A) To filter water
B) To reduce high water pressure
C) To heat water
D) To increase water pressure
  • 19. What type of connection is commonly used for PEX pipe?
A) Soldered joint
B) Crimp fitting
C) Glued joint
D) Welded joint
  • 20. What should you do after completing a plumbing repair?
A) Check for leaks
B) Throw away all your tools
C) Leave the water running
D) Ignore the area
  • 21. What is the purpose of pipe dope?
A) To strengthen pipes
B) To insulate pipes
C) To seal threaded pipe joints
D) To clean pipes
  • 22. Which tool is best for cutting PVC pipe?
A) Screwdriver
B) PVC pipe cutter
C) Hacksaw
D) Pipe wrench
  • 23. What is the purpose of a toilet flapper?
A) To flush the toilet paper
B) To decorate the toilet
C) To control the water temperature
D) To seal the tank and release water into the bowl
  • 24. What is a common sign of a running toilet?
A) The toilet is always clean
B) The toilet flushes automatically
C) The toilet is always quiet
D) Water constantly running in the bowl
  • 25. What is a backflow preventer?
A) A device that prevents water from flowing backward
B) A device that increases water pressure
C) A device that filters water
D) A device that heats water
  • 26. What is CPVC pipe used for?
A) Hot and cold water supply lines
B) Gas lines
C) Drainage
D) Sewer lines
  • 27. What is the purpose of a basin wrench?
A) To solder pipes
B) To reach nuts in tight spaces under sinks
C) To measure pipes
D) To cut pipes
  • 28. What safety measure should be taken when using a plumber's torch?
A) Wear flammable clothing
B) Work in a confined area with no ventilation
C) Leave the torch unattended
D) Keep a fire extinguisher nearby
  • 29. What is the purpose of a mixing valve?
A) To blend hot and cold water for a desired temperature
B) To shut off water supply
C) To increase water pressure
D) To filter water
  • 30. Why is it important to properly vent plumbing fixtures?
A) To allow air to enter and exit the drain system
B) To increase water pressure
C) To filter water
D) To heat water
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