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Plumbing Repair Assessment

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1. What is the main purpose of a vent pipe in plumbing systems? *

A. Regulate water pressure

B. Prevent sewer gases from entering the home

C. Control water temperature

D. Distribute water evenly

2. Which of the following is a common cause of a running toilet? *

A. Clogged sink

B. Faulty flapper valve

C. Broken vent pipe

D. Inadequate water pressure

3. What should be done to resolve a jammed garbage disposal? *

A. Pour boiling water down the drain

B. Reset the disposal unit

C. Increase water pressure

D. Use a plunger

4. What is a P-trap used for in plumbing? *

A. Connecting two pipes at an angle

B. Preventing sewer gases from entering the house

C. Regulating water flow

D. Diverting excess water

5. How do you fix a leaky faucet? *

A. Tighten the faucet handle

B. Replace the washer

C. Clean the aerator

D. Increase water pressure

6. What is the purpose of a T&P valve on a water heater? *

A. Regulate water temperature

B. Prevent over-pressurization and overheating

C. Control water flow

D. Filter impurities

7. In plumbing, what does the term 'sweating a pipe' mean? *

A. Insulating the pipe

B. Cooling down a hot pipe

C. Soldering a joint

D. Checking for leaks

8. What type of plumbing pipe is recommended for potable water? *

A. PVC

B. Copper

C. ABS

D. Cast iron

9. How would you address low water pressure in a home? *

A. Install a larger water heater

B. Check for and repair leaks

C. Replace all old pipes

D. Increase the temperature setting

10. What is a backflow prevention device used for? *

A. Regulate water temperature

B. Increase water pressure

C. Prevent contamination of the public water system

D. Control the direction of water flow

11. What is the significance of a water hammer in plumbing? *

A. Indicates high water pressure

B. Signifies a clogged drain

C. Is a result of air in the pipes

D. Indicates loose pipes

12. Which material is not suitable for hot water supply lines? *

A. Copper

B. PEX

C. PVC

D. Galvanized steel

13. What is the first step in diagnosing a clogged drain? *

A. Use a chemical drain cleaner

B. Inspect with a camera

C. Check the vent pipe

D. Use a plunger

14. When is a plumbing permit generally required? *

A. For minor repairs

B. When changing a faucet

C. For new installations or major alterations

D. For unclogging drains

15. What is the recommended slope for drain pipes for proper drainage? *

A. 1/4 inch per foot

B. 1/2 inch per foo

C. 1 inch per foot

D. 1/8 inch per foot