How to do basic plumbing
  • 1. What is the first thing you should do before starting any plumbing repair?
A) Locate your tools
B) Call a plumber
C) Turn off the water supply
D) Start taking things apart
  • 2. What tool is best for tightening pipe fittings?
A) Pipe wrench
B) Pliers
C) Hammer
D) Screwdriver
  • 3. What is Teflon tape used for in plumbing?
A) Cleaning pipes
B) Gluing pipes together
C) Sealing pipe threads
D) Insulating pipes
  • 4. What type of pipe is commonly used for water supply lines?
A) Cardboard
B) Copper or PEX
C) Clay
D) Cast iron
  • 5. What tool is used to cut copper pipe?
A) Tube cutter
B) Chisel
C) Hacksaw
D) Scissors
  • 6. What is a common cause of a leaky faucet?
A) Worn-out washer
B) High water pressure
C) Dirty pipes
D) Loose screws
  • 7. What is the purpose of a P-trap under a sink?
A) To regulate water pressure
B) To hold dirty water
C) To filter the water
D) To prevent sewer gases from entering the house
  • 8. What is the term for water that flows back into the potable water supply?
A) Overflow
B) Backflow
C) Water hammer
D) Water pressure
  • 9. What is the best way to thaw a frozen pipe?
A) Use a torch directly on the pipe
B) Pour boiling water on the pipe
C) Hit the pipe with a hammer
D) Apply heat gradually with a hairdryer
  • 10. What is the purpose of a shut-off valve?
A) To stop the water flow to a specific fixture
B) To filter the water
C) To drain the entire plumbing system
D) To increase water pressure
  • 11. Which of these is a common type of pipe joint?
A) Compression fitting
B) Knot
C) Weld
D) Staple
  • 12. What does PVC stand for in plumbing?
A) Plumbing vent connection
B) Polyvinyl chloride
C) Pure valve conduit
D) Pressure valve control
  • 13. What is a plunger used for?
A) Tightening screws
B) Cutting pipes
C) Clearing clogs in drains
D) Measuring pipe length
  • 14. How do you typically connect PEX pipe?
A) Welding
B) Crimp rings or expansion fittings
C) Glue
D) Soldering
  • 15. What can cause 'water hammer'?
A) Low water pressure
B) Clogged drains
C) Sudden stop of water flow
D) Frozen pipes
  • 16. What is the primary purpose of a vent pipe?
A) To provide hot water
B) To filter the water
C) To allow air into the drain system
D) To increase water pressure
  • 17. What is the best way to remove hard water stains?
A) Ammonia
B) Baking soda
C) Vinegar
D) Bleach
  • 18. What type of wrench is specifically designed for working with nuts and bolts?
A) Pipe wrench
B) Basin wrench
C) Monkey wrench
D) Adjustable wrench
  • 19. What is the function of a toilet flapper?
A) To prevent overflowing
B) To clean the toilet bowl
C) To control the water pressure
D) To seal the flush valve and allow the tank to fill
  • 20. What is the purpose of a basin wrench?
A) To measure water pressure
B) To tighten or loosen nuts under sinks and faucets
C) To weld pipes
D) To cut copper pipes
  • 21. What is used to seal the connection between a toilet and the floor?
A) Duct tape
B) Wax ring
C) Silicone caulk
D) Rubber seal
  • 22. What is the purpose of a pressure reducing valve (PRV)?
A) To lower the water pressure in a building
B) To heat the water
C) To filter sediment from the water
D) To increase the water pressure
  • 23. When soldering copper pipes, what prevents oxidation?
A) Flux
B) Teflon tape
C) Air
D) Water
  • 24. What does 'sweating' a pipe mean?
A) Cutting a pipe
B) Bending a pipe
C) Freezing a pipe
D) Soldering a copper pipe
  • 25. What is a snake used for in plumbing?
A) Clearing clogs deep in pipes
B) Insulating pipes
C) Measuring pipe diameter
D) Tightening pipe fittings
  • 26. What is the purpose of a water heater's temperature and pressure relief valve?
A) To control the water temperature
B) To increase water pressure
C) To prevent explosions due to excessive pressure or temperature
D) To filter the water
  • 27. Which material is NOT suitable for potable (drinking) water lines?
A) Lead
B) CPVC
C) Copper
D) PEX
  • 28. What is CPVC commonly used for?
A) Hot water lines
B) Sewer lines
C) Gas lines
D) Drain lines
  • 29. What should you do if you suspect a major plumbing leak?
A) Ignore it and hope it goes away
B) Turn off the main water supply immediately
C) Try to fix it yourself without turning off the water
D) Call a neighbor for help
  • 30. When replacing a toilet, what is the first step after shutting off the water?
A) Disconnect the water supply line
B) Call a professional
C) Loosen the bolts
D) Remove the old toilet
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