Plumbing Fixtures: Types, Applications, and Installation

Question 1

Which of the following is not a type of toilet?

Accepted Answer

Bidet

Answer

Siphonic

Answer

Valve-assisted

Answer

Washdown

Question 2

Which plumbing fixture is used to regulate the flow of water into a sink or other container?

Accepted Answer

Faucet

Answer

Toilet

Answer

Sink

Question 3

Which item is NOT a plumbing fixture?

Accepted Answer

Refrigerator

Answer

Sink

Answer

Toilet

Answer

Faucet

Question 4

Which plumbing fixture is designed to allow water to flow out and into a receptacle, such as a sink or bathtub?

Accepted Answer

Faucet

Answer

Drain

Answer

Trap

Answer

Valve

Question 5

Which of the following is NOT a common type of handle used for faucets?

Accepted Answer

Foot pedal

Answer

Lever

Answer

Knob

Answer

Joystick

Question 6

What material is most commonly used to make toilet bowls?

Accepted Answer

Ceramic

Answer

Stainless steel

Answer

Copper

Answer

Glass

Question 7

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

Accepted Answer

Wrench

Answer

Pliers

Answer

Screwdriver

Answer

Hammer

Question 8

What is the purpose of a backflow preventer in a plumbing system?

Accepted Answer

To prevent water from flowing in the wrong direction, protecting the water supply from contamination

Answer

To increase water pressure in the system

Answer

To collect sediment and debris from the water

Answer

To absorb noise from the water flow

Question 9

Which of the following materials is NOT suitable for use as a water supply pipe?

Accepted Answer

Rubber

Answer

Copper

Answer

Polyvinyl chloride (PVC)

Answer

Galvanized steel

Question 10

When troubleshooting a leaking toilet flapper valve, what should you do first?

Accepted Answer

Check the flapper for tears or damage.

Answer

Replace the toilet tank.

Answer

Adjust the water level in the tank.

Answer

Call a plumber.

Question 11

Which plumbing fixture is primarily used to control the flow of water from a basin or sink?

Accepted Answer

Faucet

Answer

Valve

Answer

Drain

Answer

Trap

Question 12

Which material is commonly used in the manufacturing of bathroom sinks and is known for its durability and stain resistance?

Accepted Answer

Ceramic

Answer

Stainless steel

Answer

Acrylic

Answer

Granite

Question 13

According to industry standards in the United States, what is the standard height of a toilet seat from the floor?

Accepted Answer

17 inches

Answer

15 inches

Answer

19 inches

Answer

21 inches

Question 14

Which type of shower valve allows for precise control over water temperature by mixing hot and cold water?

Accepted Answer

Mixing valve

Answer

Ball valve

Answer

Diaphragm valve

Answer

Gate valve

Question 15

When installing a kitchen sink, what should be the first step?

Accepted Answer

Measuring and marking the countertop

Answer

Cutting the hole for the sink

Answer

Applying a bead of sealant

Answer

Tightening the mounting brackets

Question 16

Which of the following tools is essential for securely tightening plumbing connections?

Accepted Answer

Wrench

Answer

Screw gun

Answer

Hammer

Answer

Pliers

Question 17

Which plumbing material is known for its flexibility and resistance to corrosion?

Accepted Answer

PEX

Answer

Copper

Answer

PVC

Answer

Galvanized steel

Question 18

What is the primary function of a water pressure regulator?

Accepted Answer

To reduce water pressure in the system

Answer

To increase water pressure in the system

Answer

To filter impurities from water

Answer

To prevent backflow of sewage

Question 19

Why are codes and standards essential for plumbing fixture installations and maintenance?

Accepted Answer

To ensure safety and prevent accidents related to plumbing systems.

Answer

To enhance the functionality of plumbing fixtures.

Answer

To increase the cost of plumbing fixture installations.

Question 20

Which plumbing fixture is designed to provide water flow into a sink or bathtub?

Accepted Answer

Faucet

Answer

Toilet

Answer

Drain

Answer

Showerhead

Question 21

What is the primary material used in the construction of most modern kitchen sinks?

Accepted Answer

Stainless steel

Answer

Ceramic

Answer

Cast iron

Answer

Granite

Question 22

Which type of toilet utilizes a pressurized tank to flush waste?

Accepted Answer

Pressure-assist toilet

Answer

Gravity-flush toilet

Answer

Dual-flush toilet

Answer

Composting toilet

Question 23

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

Accepted Answer

To prevent sewer gases from backing up

Answer

To regulate water pressure

Answer

To filter impurities from water

Answer

To store excess water

Question 24

Which type of fitting is used to connect two pipes at a right angle?

Accepted Answer

Elbow

Answer

Tee

Answer

Union

Answer

Reducer

Question 25

Which valve type is used to control water flow in a shower?

Accepted Answer

Ball valve

Answer

Gate valve

Answer

Globe valve

Answer

Butterfly valve

Question 26

Which of the following is NOT a type of faucet handle?

Accepted Answer

Spout

Answer

Lever

Answer

Knob

Answer

Joystick

Question 27

Which type of toilet is most water-efficient?

Accepted Answer

Dual-flush toilet

Answer

Single-flush toilet

Answer

Gravity-flush toilet

Answer

Pressure-assist toilet

Question 28

Which type of pipe is typically used for hot water supply lines due to its durability and heat resistance?

Accepted Answer

Copper

Answer

PVC

Answer

CPVC

Answer

PEX

Question 29

What is the function of a showerhead restrictor?

Accepted Answer

To reduce water flow and conserve water

Answer

To increase water pressure for a more powerful shower

Answer

To prevent the showerhead from spraying too high

Answer

To filter impurities from the water supply

Question 30

Which type of valve is commonly used to control the flow of water in a plumbing system and can be fully opened or closed?

Accepted Answer

Gate valve

Answer

Globe valve

Answer

Check valve

Answer

Pressure reducing valve

Question 31

What is the purpose of a water heater expansion tank?

Accepted Answer

To absorb excess pressure created by heated water

Answer

To provide additional hot water storage capacity

Answer

To prevent cold water from entering the hot water tank

Answer

To reduce the temperature of the water supplied to the fixtures

Question 32

In plumbing systems, how does the use of low-flow plumbing fixtures promote water conservation and sustainability?

Accepted Answer

By reducing water consumption, which lowers water bills and preserves natural resources.

Answer

By enhancing water quality through the removal of impurities.

Answer

By increasing water pressure within the plumbing system.

Answer

By eliminating the need for routine plumbing maintenance.

Question 33

How does water pressure affect the intensity of a shower's spray?

Accepted Answer

Higher water pressure increases the force of the water spray.

Answer

Lower water pressure produces smaller water droplets.

Answer

Water pressure has no impact on the performance of a showerhead.

Question 34

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

Accepted Answer

To prevent sewer gases from entering the building through drains

Answer

To connect the drain to the main sewer line

Answer

To collect sediment and debris

Answer

To regulate water flow

Question 35

Which type of toilet valve utilizes a rubber diaphragm to control water flow?

Accepted Answer

Diaphragm valve

Answer

Ballcock valve

Answer

Float valve

Question 36

What is the primary function of a backflow preventer in a plumbing system?

Accepted Answer

To prevent contaminated water from flowing back into the clean water supply

Answer

To regulate water pressure

Answer

To filter out impurities

Question 37

Which type of sink is designed to be installed beneath a countertop, creating a seamless and modern look?

Accepted Answer

Undermount sink

Answer

Apron sink

Answer

Topmount sink

Question 38

What is the role of the flapper valve in a toilet tank?

Accepted Answer

To seal the drain hole and prevent water from leaking into the bowl until the toilet is flushed

Answer

To regulate the amount of water released during flushing

Answer

To prevent the toilet from overflowing

Question 39

Which of the following is a type of water closet that combines the toilet bowl and tank into a single unit?

Accepted Answer

Close-coupled toilet

Answer

Showerhead

Answer

Vanity top

Answer

Basin sink

Question 40

In plumbing systems, what is the primary function of a compression fitting?

Accepted Answer

To join pipes of the same diameter without the need for soldering

Answer

To reduce the water flow rate

Answer

To redirect the flow of water in pipes

Question 41

Which plumbing fixture is designed to control the flow of water from a sink or bathtub?

Accepted Answer

Faucet

Answer

Drain

Answer

Toilet

Answer

Bathtub

Question 42

Which tool is used to measure water pressure within a plumbing system?

Accepted Answer

Pressure gauge

Answer

Multimeter

Answer

Pipe wrench

Answer

Level

Question 43

Which type of pipe material is known for its flexibility and ease of installation?

Accepted Answer

PEX

Answer

Copper

Answer

Cast Iron

Answer

PVC

Question 44

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

Accepted Answer

To heat water for various household applications

Answer

To control water pressure

Answer

To store excess water

Answer

To filter impurities from water

Question 45

Which of the following is a component of a shower system?

Accepted Answer

Showerhead

Answer

Sink

Answer

Toilet

Answer

Faucet

Question 46

Which type of faucet handle combines ease of use with durability?

Accepted Answer

Lever handle

Answer

Two-handle handle

Answer

Knob handle

Answer

Joystick handle

Question 47

What is the primary purpose of a sink aerator?

Accepted Answer

Control water flow and reduce splashing

Answer

Filter water impurities

Answer

Adjust water temperature

Answer

Prevent drain clogs

Question 48

Which type of toilet conserves water by reducing the volume of water used per flush?

Accepted Answer

Dual-flush toilet

Answer

Gravity-flush toilet

Answer

Tankless toilet

Answer

Pressure-assist toilet

Question 49

What is the main function of a P-trap in a plumbing system?

Accepted Answer

Prevent sewer gases from entering the room

Answer

Filter water debris

Answer

Reduce water pressure

Answer

Control water temperature

Question 50

Which type of showerhead offers the greatest water coverage and spray options?

Accepted Answer

Multi-function showerhead

Answer

Rain showerhead

Answer

Wall-mounted showerhead

Answer

Fixed showerhead

Question 51

Which type of toilet seat is known for its non-absorbent and easy-to-clean surface?

Accepted Answer

Plastic

Answer

Wooden

Answer

Fabric

Question 52

What is the primary purpose of a water closet?

Accepted Answer

To contain and flush human waste

Answer

To ventilate sewer gases

Answer

To store cleaning supplies

Answer

To provide a place for handwashing

Question 53

Which type of sink is commonly found in kitchens due to its resistance to stains and scratches?

Accepted Answer

Stainless steel sink

Answer

Ceramic sink

Answer

Acrylic sink

Answer

Granite sink