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