Plumbing Basics: Master the Essentials of Home Plumbing

Question 1

Which pipe in a bathroom carries wastewater away from fixtures like the sink and bathtub?

Accepted Answer

Waste pipe

Answer

Supply pipe

Answer

Vent pipe

Answer

Gas pipe

Question 2

What is the primary purpose of a trap in a plumbing system?

Accepted Answer

To maintain a seal of water to block sewer gas from entering the house

Answer

To prevent backflow of water

Answer

To collect debris and prevent clogs

Answer

To reduce water pressure

Question 3

Which type of pipe material offers both corrosion and heat resistance?

Accepted Answer

Copper

Answer

PEX

Answer

PVC

Answer

Acrylonitrile Butadiene Styrene (ABS)

Question 4

In a plumbing system, what is the main purpose of a P-trap, and how does it help prevent sewer gases from entering a living space?

Accepted Answer

To create a water barrier that traps sewer gases, preventing their release into the living space.

Answer

To collect and store water, preventing drain clogs and aiding in waste removal.

Answer

To control water flow and prevent wastewater from flowing back into the sink or bathtub.

Answer

To provide an easy way to clean and maintain the drainage system.

Question 5

Which type of pipe is commonly used for hot and cold water supply in residential settings due to its durability and resistance to corrosion?

Accepted Answer

Copper

Answer

PVC

Answer

ABS

Answer

PEX

Question 6

What is the primary purpose of a slip joint in plumbing?

Accepted Answer

To provide flexibility and accommodate movement in pipe connections

Answer

To connect pipes of different diameters

Answer

To seal leaks in threaded connections

Answer

To regulate water flow

Question 7

What is the primary role of a drain trap in a plumbing system?

Accepted Answer

To prevent the escape of sewer gases and maintain a sanitary environment

Answer

To regulate water pressure

Answer

To filter water impurities

Answer

To provide an access point for cleaning

Question 8

Which type of joint sealant is best suited for use on threaded pipe connections to ensure a leak-proof seal?

Accepted Answer

Teflon tape

Answer

Silicone sealant

Answer

Plumber's putty

Answer

Epoxy adhesive

Question 9

What is the main purpose of a water hammer arrester in a plumbing system?

Accepted Answer

To reduce noise caused by sudden changes in water flow, also known as water hammer

Answer

To prevent leaks in pipes

Answer

To regulate water pressure

Answer

To protect against water damage

Question 10

Which type of pipe material is known for its flexibility and ability to resist corrosion, making it suitable for both hot and cold water supply lines?

Accepted Answer

PEX

Answer

Copper

Answer

PVC

Answer

ABS

Question 11

Which type of faucet handle design offers ease of use and durability, making it popular in both residential and commercial applications?

Accepted Answer

Lever handle

Answer

Cross handle

Answer

Knocker handle

Answer

Touchless handle

Question 12

What is the main purpose of a water hammer arrestor in a plumbing system?

Accepted Answer

Absorb pressure surges and prevent damage to pipes and fixtures

Answer

Prevent leaks in the water supply system

Answer

Reduce overall water pressure in the system

Answer

Improve the flow rate of water in the system

Question 13

To prevent clogs in your home plumbing system, which action is most effective?

Accepted Answer

Avoid flushing non-biodegradable items like wipes and feminine hygiene products down the toilet.

Answer

Use chemical drain cleaners regularly to remove minor clogs.

Answer

Pour grease down the kitchen sink to keep pipes lubricated.

Answer

Ignore minor leaks and delay repairs.

Question 14

Which type of pipe is commonly used for drain lines due to its flexibility and low cost?

Accepted Answer

PVC pipe

Answer

Copper pipe

Answer

Galvanized steel pipe

Answer

PEX pipe

Question 15

What is the primary function of a water heater expansion tank?

Accepted Answer

To absorb pressure fluctuations in the hot water system

Answer

To store excess hot water

Answer

To prevent corrosion in the water heater

Answer

To regulate the flow of water into the water heater

Question 16

Which type of valve is typically used to control the flow of water in a sink or faucet?

Accepted Answer

Ball valve

Answer

Gate valve

Answer

Globe valve

Answer

Check valve

Question 17

Which of the following is NOT a common cause of a leaking faucet?

Accepted Answer

Unclean aerator

Answer

Worn-out washer

Answer

Loose packing nut

Answer

Cracked valve seat

Question 18

Which bathroom fixture is designed to conserve water?

Accepted Answer

Low-flow toilet

Answer

Traditional single-flush toilet

Answer

Bathtub without a showerhead

Answer

Kitchen sink with a high-flow faucet

Question 19

Which of the following is NOT typically used as a plumbing pipe material in UK homes?

Accepted Answer

Rubber

Answer

Copper

Answer

Plastic

Answer

Galvanized steel

Question 20

What is the primary function of a water hammer arrestor in a plumbing system?

Accepted Answer

To prevent sudden pressure changes and protect against water hammer

Answer

To increase water flow rate

Answer

To trap debris and sediment

Answer

To provide air circulation

Question 21

When unclogging a drain using a plunger, what should be the initial step?

Accepted Answer

Partially fill the sink or bathtub with water

Answer

Place the plunger over the drain and pump vigorously

Answer

Add a chemical drain cleaner

Answer

Contact a plumber for assistance

Question 22

Which of the following is NOT an advantage of insulating hot water pipes?

Accepted Answer

Improves water flow rate and pressure

Answer

Reduces heat loss and energy consumption

Answer

Prevents condensation and potential damage

Answer

Extends the lifespan of pipes

Question 23

What is the main purpose of a pressure-reducing valve in a plumbing system?

Accepted Answer

To regulate water pressure and prevent excessive pressure buildup

Answer

To prevent backflow of contaminated water

Answer

To filter out impurities and contaminants

Answer

To prevent waterlogging and drain backups

Question 24

What is the most environmentally responsible way to dispose of used plumbing materials?

Accepted Answer

Recycle them at an appropriate waste disposal facility

Answer

Dispose of them in the regular household trash

Answer

Leave them by the roadside for collection

Answer

Burn them to dispose of them quickly

Question 25

What type of plumbing fitting is used to connect pipes made of different materials?

Accepted Answer

Transition fittings or adapters

Answer

Elbows

Answer

Couplings

Answer

Reducers

Question 26

In residential settings, which type of pipe is typically utilized for conveying hot water?

Accepted Answer

Copper

Answer

PEX

Answer

PVC

Answer

Galvanized steel

Question 27

What is the primary purpose of a washer in a faucet?

Accepted Answer

Preventing water leakage

Answer

Adjusting water flow rate

Answer

Connecting the handle to the valve

Answer

Filtering impurities from water

Question 28

Which tool is commonly used to tighten and loosen plumbing fittings, such as nuts and bolts?

Accepted Answer

Adjustable wrench

Answer

Pliers

Answer

Screwdriver

Answer

Hammer

Question 29

What type of joint is employed to connect copper pipes securely?

Accepted Answer

Soldered joint

Answer

Threaded joint

Answer

Compression joint

Answer

Slip joint

Question 30

Which material is predominantly used for constructing drainpipes in residential plumbing systems?

Accepted Answer

Plastic (PVC or ABS)

Answer

Cast iron

Answer

Copper

Answer

Lead

Question 31

What is the primary function of a pressure reducing valve installed in a plumbing system?

Accepted Answer

Reducing water pressure

Answer

Increasing water pressure

Answer

Regulating water temperature

Answer

Preventing water leaks

Question 32

When seeking a safe and effective solution for most types of drain blockages, which drain cleaner is generally recommended?

Accepted Answer

Enzymatic drain cleaner (biodegradable)

Answer

Caustic drain cleaner (lye-based)

Answer

Acid drain cleaner (muriatic acid-based)

Answer

Mechanical drain snake

Question 33

Which type of plumbing fixture is primarily utilized for controlling the flow of water in sinks, bathtubs, and showers?

Accepted Answer

Faucet

Answer

Showerhead

Answer

Toilet

Answer

Sink

Question 34

What is the essential purpose of a trap in a plumbing system?

Accepted Answer

Preventing sewer gases from entering the home

Answer

Collecting debris to prevent clogs

Answer

Regulating water temperature

Answer

Increasing water pressure

Question 35

What is the primary role of a drain trap in plumbing systems?

Accepted Answer

Trapping debris to prevent blockages

Answer

Preventing water leakage

Answer

Regulating water temperature

Answer

Controlling water volume

Question 36

Identifying the appropriate tool for tightening pipe connections is essential. Which tool is commonly employed for this purpose?

Accepted Answer

Wrench

Answer

Hammer

Answer

Screwdriver

Answer

Pliers

Question 37

When faced with a leaky faucet, what type of plumbing repair is typically required?

Accepted Answer

Minor repair

Answer

Major repair

Answer

Emergency repair

Answer

Specialized repair

Question 38

Which tool is used in plumbing to make precise and clean cuts in pipes?

Accepted Answer

Tubing cutter

Answer

Pipe wrench

Answer

Hacksaw

Answer

Pliers

Question 39

What type of pipe is best for tight spaces and bends in plumbing systems due to its flexibility?

Accepted Answer

PEX (Cross-linked Polyethylene)

Answer

Copper

Answer

PVC (Polyvinyl Chloride)

Answer

Galvanized Steel

Question 40

In residential plumbing, which type of pipe is primarily used to connect fixtures to the main water supply?

Accepted Answer

Flexible connector pipe

Answer

Galvanized steel pipe

Answer

Copper pipe

Answer

PVC pipe

Question 41

What is the primary function of a trap in a plumbing system?

Accepted Answer

To prevent sewer gases from entering the building

Answer

To support the weight of pipes

Answer

To collect water for later use

Answer

To filter water

Question 42

Which tool is commonly used to tighten and loosen nuts and bolts on plumbing fixtures?

Accepted Answer

Adjustable wrench

Answer

Hammer

Answer

Screwdriver

Answer

Pliers

Question 43

Which material is primarily used for drainage pipes due to its durability and low cost?

Accepted Answer

PVC (Polyvinyl chloride)

Answer

Cast iron

Answer

Galvanized steel

Answer

Copper

Question 44

Which type of leak in a pipe is typically the most challenging to locate due to its small size and slow water seepage?

Accepted Answer

Pinhole leak

Answer

Burst pipe

Answer

Joint leak

Question 45

Which of the following is NOT a common tool or method used for clearing clogged drains?

Accepted Answer

Broom

Answer

Drain snake

Answer

Plunger

Answer

Chemical drain cleaner

Question 46

What is the primary purpose of a water heater expansion tank in a plumbing system?

Accepted Answer

To accommodate the volume expansion of water as it is heated, preventing pressure buildup

Answer

To store additional hot water for later use

Answer

To prevent water leaks

Question 47

Which type of toilet typically uses the highest volume of water per flush?

Accepted Answer

Single-flush toilet

Answer

Waterless urinal

Answer

Composting toilet

Answer

Dual-flush toilet

Question 48

Before replacing a leaky faucet washer, what is the first essential step to ensure safety and prevent water damage?

Accepted Answer

Turn off the water supply to the faucet

Answer

Remove the faucet handle

Answer

Tighten the packing nut

Answer

Replace the washer immediately

Question 49

Which type of pipe is commonly used for water supply lines in a domestic plumbing system?

Accepted Answer

Copper

Answer

PVC

Answer

ABS

Answer

Polybutylene

Question 50

What is the primary purpose of a trap in a plumbing system?

Accepted Answer

To prevent sewer gases from escaping

Answer

To provide structural support

Answer

To collect debris

Answer

To regulate water flow

Question 51

Which hand tool is commonly used to tighten or loosen plumbing fixtures?

Accepted Answer

Adjustable wrench

Answer

Pliers

Answer

Screwdriver

Question 52

Which type of valve is typically used to control the flow of water to a faucet?

Accepted Answer

Ball valve

Answer

Gate valve

Answer

Globe valve

Answer

Check valve

Question 53

What is the primary function of a pressure reducing valve in a plumbing system?

Accepted Answer

To reduce excessive water pressure

Answer

To increase water pressure

Answer

To regulate water temperature

Answer

To prevent water leaks

Question 54

What is the primary function of a water heater in a plumbing system?

Accepted Answer

To heat water for domestic use

Answer

To store water

Answer

To regulate water pressure

Answer

To filter water