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