Plumbing Fixture Installation and Maintenance: Master the Basics

Question 1

During the installation of a new faucet, which tool is typically not required?

Accepted Answer

Hacksaw

Answer

Wrench

Answer

Screwdriver

Answer

Pliers

Question 2

When installing a water heater, which type of valve is used to control the flow of cold water into the heater?

Accepted Answer

Isolation valve

Answer

Pressure relief valve

Answer

Gate valve

Answer

Check valve

Question 3

Which of the following materials is NOT commonly used for drainpipes in plumbing?

Accepted Answer

Copper

Answer

PVC

Answer

Cast iron

Answer

ABS

Question 4

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

Accepted Answer

To prevent sewer gases from entering the building

Answer

To collect waste materials

Answer

To regulate water flow

Answer

To reduce noise in the system

Question 5

Which type of pipe joint is used to connect two pieces of pipe without the use of threads?

Accepted Answer

Solvent joint

Answer

Sweat joint

Answer

Compression joint

Answer

Solder joint

Question 6

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

Accepted Answer

To maintain a consistent water pressure in the system

Answer

To reduce water hammer

Answer

To prevent leaks

Answer

To protect fixtures from damage

Question 7

Which type of fixture is commonly installed in a kitchen and used for washing dishes?

Accepted Answer

Sink

Answer

Bathtub

Answer

Toilet

Answer

Shower

Question 8

What is a crucial safety step to take before starting any plumbing fixture maintenance?

Accepted Answer

Turn off the water supply to the fixture.

Answer

Ignore any electrical outlets or wiring near the fixture.

Answer

Use any available tools for the repair, even if they aren't designed for plumbing.

Question 9

When selecting a faucet for a bathroom sink, which factor is crucial to consider?

Accepted Answer

Flow rate and aeration

Answer

Shape and design

Answer

Brand and warranty

Answer

Color and finish

Question 10

What is the primary purpose of a water closet (toilet)?

Accepted Answer

To dispose of human waste

Answer

To store bathroom supplies

Answer

To collect rainwater

Answer

To provide a place to wash hands

Question 11

For drain lines, what type of pipe material is commonly used?

Accepted Answer

PVC (Polyvinyl chloride)

Answer

Copper

Answer

Cast iron

Answer

Galvanized steel

Question 12

Which tool is commonly used by plumbers to tighten and loosen plumbing connections?

Accepted Answer

Adjustable wrench

Answer

Pliers

Answer

Hammer

Answer

Phillips screwdriver

Question 13

What is a common cause of a leaky faucet?

Accepted Answer

Worn-out washer

Answer

Clogged drain

Answer

Broken pipe

Answer

Overtightened handle

Question 14

To effectively clean a showerhead, what method is recommended?

Accepted Answer

Soak it in a vinegar solution

Answer

Scrub it with a wire brush

Answer

Use a commercial showerhead cleaner

Answer

Replace it with a new one

Question 15

When working with plumbing fixtures, which safety measure is essential to follow?

Accepted Answer

Wear gloves and eye protection

Answer

Use power tools

Answer

Work on live electrical wires

Answer

Overtighten all connections

Question 16

In a plumbing system, what is the function of a trap?

Accepted Answer

To retain water and prevent sewer gases from entering the room

Answer

To collect debris

Answer

To reduce water flow

Question 17

Which of the following is NOT a common material used in the construction of sink fixtures?

Accepted Answer

Glass

Answer

Ceramic

Answer

Stainless steel

Answer

Granite

Question 18

When installing a toilet, which type of wax ring provides the most effective seal?

Accepted Answer

Double-seal wax ring

Answer

Foam wax ring

Answer

Single-seal wax ring

Question 19

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

Accepted Answer

To prevent sewer gases from entering the room

Answer

To regulate water flow

Answer

To collect debris

Question 20

Which type of pipe is commonly utilized for hot water lines in residential plumbing applications?

Accepted Answer

Copper

Answer

PVC

Answer

PEX

Question 21

Which of the following is a crucial safety precaution when working with plumbing fixtures?

Accepted Answer

Turn off the main water supply

Answer

Use excessive force when tightening fittings

Answer

Work with live electrical connections

Answer

Ignore manufacturer's instructions

Question 22

What is the name of the valve that allows for the isolation of water flow to a specific fixture?

Accepted Answer

Isolation valve

Answer

Ball valve

Answer

Check valve

Answer

Gate valve

Question 23

Which tool is specifically designed for cutting and shaping copper pipes?

Accepted Answer

Tubing cutter

Answer

Hacksaw

Answer

Pipe wrench

Answer

Soldering iron

Question 24

Which of the following is NOT a type of fixture commonly used in plumbing systems?

Accepted Answer

Smoke Detector

Answer

Faucet

Answer

Water heater

Answer

Toilet

Question 25

Which of the following tools is most suitable for tightening nuts and bolts on fixtures?

Accepted Answer

Wrench

Answer

Pliers

Answer

Screwdriver

Answer

Hammer

Question 26

What is the purpose of a flange on a fixture?

Accepted Answer

To provide a secure connection to the wall or floor.

Answer

To enhance the appearance of the fixture

Answer

To hold water

Question 27

What is the first step in troubleshooting a malfunctioning faucet?

Accepted Answer

Check if the water supply is turned on

Answer

Tighten the packing nut

Answer

Replace the faucet cartridge

Answer

Call a plumber

Question 28

Which of the following is a safety precaution to observe when working with plumbing fixtures?

Accepted Answer

Wear proper protective gear

Answer

Work with live electricity

Answer

Leave fixtures unattended

Answer

Use excessive force

Question 29

When installing a new sink, it is important to ensure that it is:

Accepted Answer

Level and secure

Answer

As high as possible to maximize water pressure

Answer

Slightly tilted to facilitate drainage

Answer

Painted to match the bathroom decor

Question 30

Which of the following is a recommended maintenance practice for toilets?

Accepted Answer

Clean and descale regularly

Answer

Replace parts only when they break

Answer

Flush with bleach every few months

Answer

Ignore minor leaks

Question 31

What is the best way to prevent corrosion on plumbing fixtures?

Accepted Answer

Regular cleaning and drying

Answer

Using harsh chemicals

Answer

Applying paint or sealant

Answer

Ignoring moisture buildup

Question 32

Which type of wrench is specifically designed for tightening the nuts on a faucet?

Accepted Answer

Basin wrench

Answer

Adjustable wrench

Answer

Pipe wrench

Answer

Allen wrench

Question 33

A common cause of toilet leaks is a:

Accepted Answer

Worn flapper valve

Answer

High water pressure

Answer

Clogged drain pipe

Answer

Loose handle

Question 34

Which type of pipe is recommended for use in hot water lines due to its durability and heat resistance?

Accepted Answer

Copper

Answer

PVC

Answer

ABS

Question 35

When installing a new water heater, which safety precaution is essential to take before starting work?

Accepted Answer

Turn off the gas and water supply

Answer

Wear gloves to protect your hands

Answer

Use a ladder to reach the water heater

Answer

Install the water heater upside down

Question 36

Stripped threads are a potential problem that can occur during fixture maintenance. What causes stripped threads?

Accepted Answer

Overtightening or using the wrong tools

Answer

Electrical malfunctions

Answer

Improper alignment of components

Answer

Rust or corrosion

Question 37

Which method is most effective for clearing a clogged sink drain?

Accepted Answer

Using a drain snake

Answer

Pouring boiling water down the drain

Answer

Calling a plumber

Answer

Using a chemical drain cleaner

Question 38

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

Accepted Answer

To create a watertight seal

Answer

To prevent mineral buildup

Answer

To extend faucet life

Answer

To control water flow

Question 39

Which tool is typically used for tightening the packing nut in a faucet?

Accepted Answer

Wrench

Answer

Pliers

Answer

Hammer

Answer

Screwdriver

Question 40

Which type of drain is commonly found in bathroom sinks?

Accepted Answer

Pop-up drain

Answer

Grate drain

Answer

Floor drain

Answer

Shower drain

Question 41

What is the main purpose of a mixing valve in a shower?

Accepted Answer

To regulate the temperature of the water

Answer

To prevent backflow

Answer

To increase water pressure

Question 42

Which of the following is NOT a common issue associated with plumbing fixtures?

Accepted Answer

Electrical malfunctions

Answer

Leaks

Answer

Clogs

Answer

Corrosion

Question 43

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

Accepted Answer

Prevent sewer gas from entering the building

Answer

Filter out debris from wastewater

Answer

Collect and hold water

Question 44

Which type of pipe is typically used for hot water lines?

Accepted Answer

Copper pipe

Answer

PEX pipe

Answer

PVC pipe

Answer

CPVC pipe

Question 45

What is the recommended method for installing a toilet flange?

Accepted Answer

Level and secure with bolts

Answer

Screw it into place

Answer

Glue it to the floor

Answer

Caulk it around the base

Question 46

What is the purpose of a pressure-reducing valve?

Accepted Answer

Control water pressure entering a building

Answer

Provide a vent for excess water

Answer

Filter out impurities

Answer

Prevent water hammer

Question 47

Which type of drain is used to collect wastewater from a shower or bathtub?

Accepted Answer

Floor drain

Answer

Roof drain

Answer

Storm drain

Answer

Sanitary drain

Question 48

What is the recommended distance between the center of a toilet supply line and the wall?

Accepted Answer

6 inches

Answer

12 inches

Answer

4 inches

Answer

8 inches

Question 49

Which type of fixture is typically installed with a pop-up drain?

Accepted Answer

Sink

Answer

Shower

Answer

Toilet

Answer

Bathtub

Question 50

What is the purpose of a wax ring when installing a toilet?

Accepted Answer

Create a watertight seal between the toilet and the drain flange

Answer

Secure the toilet to the floor

Answer

Level the toilet