HVAC Technician Core (NATE-style) — Practice Exam
Construction: practice questions
Our HVAC Core (NATE-style) bank has 24 questions on this topic. Here are 3 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1
Why does a building's air leakage matter for HVAC sizing?
- It only affects noise levels
- It doesn't affect load, because outdoor air is filtered first
- It only affects lighting
- Infiltration adds heating and cooling load
Show the answer
D. Infiltration adds heating and cooling load — Load calculations account for infiltration.
Question 2
What does a floor plan show?
- A top-down view of rooms, walls, doors and windows
- Only the plumbing
- Only the roof
- A side view of the building showing its height and roof slope
Show the answer
A. A top-down view of rooms, walls, doors and windows — Elevations show the sides of a building.
Question 3
Why are refrigerant lines supported along their length?
- To prevent sagging, vibration and stress on joints
- To insulate the lines and make them easier to see in an attic
- It isn't necessary
- To make them easier to see
Show the answer
A. To prevent sagging, vibration and stress on joints — Piping layouts are listed.