The Ultimate Basic Plumbing Quiz

By: Staff

4 Min Quiz

Image: refer to hsw

About This Quiz

Something we all tend to take for granted at home is the plumbing system. Although it is usually reliable, problems can occur. Take this quiz and see how you can repair some of the common problems.

What basic laws of nature does plumbing follow?

The basic natural laws of plumbing are gravity, pressure and water seeking its own level.


What are the two sub-systems in your home plumbing?

One brings in freshwater, while the other removes wastewater.


Can there be overlapping of the two subsystems?

Definitely not -- the wastewater sub-system could pollute the freshwater if there were an overlap.


What seals the trap that prevents sewer gases from entering the household drains?

The vent stack and vent pipes admit air to keep the trap sealed.


Is there any reason for individual fixtures to have stop valves?

Individual stop valves permit water to be turned off at that particular fixture only and not the main water supply.


Which of the following is regarded as a normal temperature setting for a home water heater?

An adequate temperature is 120 degrees F.


Why would you use an adequate temperature instead of the highest possible?

It is simply more economical and sufficient for most circumstances.


Are there major differences between sewer and septic systems in your home?

Both systems are basically the same.


What degree of pressure is required to ensure smooth drainage?

No pressure is required. It's a matter of gravity.


What would happen if there were no air supply from the vent on the roof?

The wastewater would not flow out and the water in the traps would need to be siphoned out.


In a modern efficient drainage system, is a sink trap really necessary?

The sink trap prevents dangerous sewer gas from entering the home and also prevents some waste from entering the pipes, thereby blocking them.


What are the most common causes of sink blockages

Hair and grease are the most common causes of sink blockages.


When used in a the context of plumbing, what does DWV stand for?

It stands for drain-waste-vent.


How can you get to know the drainage system better?

The best way is to examine the pipes in the basement or crawl space under the house.


What is a fixture?

All devices that use freshwater and allow the flow of wastewater are considered to be fixtures.


Before changing a pipe in your house, what should you do?

Check first with your plumbing code what is permitted.


Why would you want to do your own plumbing work?

You can save a lot of money.


What is a bridge in a plumbing system?

A bridge is where the two subsystems (incoming and outgoing water) meet, such as a sink.


To save time in the event of a plumbing problem, what should you do?

Get to know the workings of your plumbing system.


How does the drainage system work?

Drainage pipes are angled downward and gravity pulls the waste down.


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