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