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) Start taking things apart
D) Turn off the water supply
  • 2. What tool is best for tightening pipe fittings?
A) Pipe wrench
B) Screwdriver
C) Hammer
D) Pliers
  • 3. What is Teflon tape used for in plumbing?
A) Sealing pipe threads
B) Insulating pipes
C) Cleaning pipes
D) Gluing pipes together
  • 4. What type of pipe is commonly used for water supply lines?
A) Clay
B) Copper or PEX
C) Cardboard
D) Cast iron
  • 5. What tool is used to cut copper pipe?
A) Scissors
B) Hacksaw
C) Chisel
D) Tube cutter
  • 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 hold dirty water
B) To filter the water
C) To prevent sewer gases from entering the house
D) To regulate water pressure
  • 8. What is the term for water that flows back into the potable water supply?
A) Backflow
B) Overflow
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 drain the entire plumbing system
B) To stop the water flow to a specific fixture
C) To increase water pressure
D) To filter the water
  • 11. Which of these is a common type of pipe joint?
A) Knot
B) Weld
C) Compression fitting
D) Staple
  • 12. What does PVC stand for in plumbing?
A) Pressure valve control
B) Polyvinyl chloride
C) Pure valve conduit
D) Plumbing vent connection
  • 13. What is a plunger used for?
A) Measuring pipe length
B) Clearing clogs in drains
C) Cutting pipes
D) Tightening screws
  • 14. How do you typically connect PEX pipe?
A) Glue
B) Crimp rings or expansion fittings
C) Welding
D) Soldering
  • 15. What can cause 'water hammer'?
A) Frozen pipes
B) Sudden stop of water flow
C) Clogged drains
D) Low water pressure
  • 16. What is the primary purpose of a vent pipe?
A) To increase water pressure
B) To provide hot water
C) To filter the water
D) To allow air into the drain system
  • 17. What is the best way to remove hard water stains?
A) Vinegar
B) Ammonia
C) Bleach
D) Baking soda
  • 18. What type of wrench is specifically designed for working with nuts and bolts?
A) Adjustable wrench
B) Basin wrench
C) Monkey wrench
D) Pipe wrench
  • 19. What is the function of a toilet flapper?
A) To prevent overflowing
B) To seal the flush valve and allow the tank to fill
C) To control the water pressure
D) To clean the toilet bowl
  • 20. What is the purpose of a basin wrench?
A) To weld pipes
B) To tighten or loosen nuts under sinks and faucets
C) To measure water pressure
D) To cut copper pipes
  • 21. What is used to seal the connection between a toilet and the floor?
A) Rubber seal
B) Wax ring
C) Silicone caulk
D) Duct tape
  • 22. What is the purpose of a pressure reducing valve (PRV)?
A) To heat the water
B) To filter sediment from the water
C) To lower the water pressure in a building
D) To increase the water pressure
  • 23. When soldering copper pipes, what prevents oxidation?
A) Flux
B) Air
C) Water
D) Teflon tape
  • 24. What does 'sweating' a pipe mean?
A) Bending a pipe
B) Cutting a pipe
C) Soldering a copper pipe
D) Freezing a pipe
  • 25. What is a snake used for in plumbing?
A) Insulating pipes
B) Clearing clogs deep in pipes
C) Tightening pipe fittings
D) Measuring pipe diameter
  • 26. What is the purpose of a water heater's temperature and pressure relief valve?
A) To filter the water
B) To control the water temperature
C) To increase water pressure
D) To prevent explosions due to excessive pressure or temperature
  • 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) Gas lines
C) Hot water lines
D) Sewer lines
  • 29. What should you do if you suspect a major plumbing leak?
A) Try to fix it yourself without turning off the water
B) Turn off the main water supply immediately
C) Call a neighbor for help
D) Ignore it and hope it goes away
  • 30. When replacing a toilet, what is the first step after shutting off the water?
A) Call a professional
B) Disconnect the water supply line
C) Loosen the bolts
D) Remove the old toilet
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