General
What is the main purpose of a P-trap in a plumbing system?
To prevent sewer gases from entering the home by trapping water in a curved pipe section.
What is a good practice when explaining a repair to a customer?
Use simple, clear language and provide visual aids if possible.
What tool is commonly used to clear a clogged drain?
A plunger or a drain snake (auger).
What does the acronym IPC stand for in the context of plumbing codes?
International Plumbing Code.
What is a common nickname for a plumber?
Pipefitter
What type of material is commonly used for residential water supply lines?
Copper or PEX.
What is the first step you should take when a customer is unhappy with the service provided?
Listen to their complaint without interrupting and empathize with their situation.
What is the name of the tool used to cut PVC pipe?
A PVC pipe cutter or a hacksaw.
In Texas, what is the maximum allowable water pressure in a residential plumbing system?
80 psi (pounds per square inch).
Which part of the human body did ancient Roman engineers use to measure the flow rate of water?
The thumb; they would use their thumb to estimate flow rates and pipe sizes.
What does the term "sweating" refer to in plumbing?
The process of soldering copper pipes and fittings together.
What fast-food chain is known for their employees saying “My pleasure” instead of “You’re welcome”?
Chick-fil-A.
What type of wrench is often used for tightening or loosening pipe fittings?
A pipe wrench.
What is the purpose of a backflow preventer in a plumbing system?
To prevent contaminated water from flowing back into the clean water supply.
What plumbing fixture is commonly referred to as the "throne"?
The toilet.
What is the standard size of a residential toilet drain pipe?
3 inches in diameter.
Which company is famously known for its exceptional customer service, as highlighted in books like "Delivering Happiness" by Tony Hsieh?
Zappos
What is the term for the angle at which a drain pipe must be installed to ensure proper flow and prevent blockages?
Slope or pitch (typically 1/4 inch per foot).
What is the required slope for horizontal drainage pipes in Texas?
A minimum slope of 1/4 inch per foot for pipes 2 1/2 inches or less in diameter and 1/8 inch per foot for pipes larger than 2 1/2 inches.
Who is the mascot character for a famous video game series known for being a plumber?
Mario from the Super Mario series.
What does the acronym PEX stand for in plumbing?
Cross-Linked Polyethylene.
What is the most common phrase used in customer service to apologize?
"I'm sorry for the inconvenience."
What is the minimum height required for a vent stack above the roofline according to most plumbing codes?
6 inches
What is the minimum required depth for burying water service lines in Texas?
The minimum depth is 12 inches below the frost line, which varies by region but is generally around 12-24 inches deep.
Which ancient civilization is credited with developing the first known plumbing systems?
The Indus Valley Civilization