Plumbing Exam 2025–2026 | Accurate Real Exam
Questions with Verified Correct Answers
What piece of equipment heats up water for plumbing use (meaning water for human
use/consumption)? - answer>>>water heater
In plumbing terms, a device fastened to the ends of pipes (or tubes) to make connections
between individual pipes or tubes (often to create a change in direction of flow or
capacity) is known as what? - answer>>>fitting
Where do you need to look (within your set of plans) to find out what the different
plumbing symbols mean? - answer>>>Plumbing Legend
What could happen if your plumbing vent piping was not sized large enough? -
answer>>>System might not drain properly
b.
Sediment could build-up and clog
c.
Could have back-pressure issues
With regards to venting, plumbing fixtures in a typical commercial (public) restrooms are:
- answer>>>Individually Vented
MEP trades always perform the same scope of work items regardless of project. -
answer>>>False
Plumbing symbols are universal and cannot change per project? - answer>>>False
, Which of the following piping designations is for High-Pressure applications? -
answer>>>K
The component in the refrigeration cycle which serves as the exit point for heat out of
the system. Vapor is cooled and turns back to liquid. - answer>>>Condenser
Mechanical units in the air conditioning system are measured in cooling capacity which is
actually a measurement of how much heat you can remove from a space (over time). -
answer>>>True
Any temperature added to a gas above the boiling point of its liquid state. -
answer>>>superheat
The cooling process works by using heat exchangers to remove heat from a system rather
than adding cold air. - answer>>>True
Match the following functions as being either "Cooled" or "Chilled" water in your Air
Conditioning process: - answer>>>Carries heat out of the system → Cooling Water,
Recirculates into AHU/RTU for building cooling → Chilled Water, Can be used for Drinking
Water → Chilled Water, Travels to Cooling Tower to release heat → Cooling Water
Why is IAQ such a difficult concept to understand and manage? - answer>>>There are
few rules/laws about IAQ
b.
There are many variables involved in each situation
c.
IAQ concepts often contradict equipment efficiency and LEED requirements