NATE Air Distribution Exam (Latest Update 2026 / 2027) Questions & Answers | 100% Correct | Grade A

NATE Air Distribution Exam (Latest
Update ) Questions &
Answers | 100% Correct | Grade A


Question:
Blower door off
Answer:
A PSC motor will pull higher amps with the




Question:
Having the blower door off will cause a PSC motor to
Answer:
Pull higher amps




Question:
Velocity=
Answer:
CFM/Area (sqft)

,Question:
V=500fpm
Answer:
3"x10" duct at 100CFM (what is the velocity)




Question:
Register effective area is important to know when
Answer:
Selecting a register




Question:
Recommended supply register velocity is
Answer:
400-600fpm




Question:
Max supply register velocity is
Answer:
700 fpm

, Question:
500 fpm
Answer:
with no filter a return grille face velocity max




Question:
bid of a new job
Answer:
It is important to inform customers of maintenance requirements for any
accessories that are put into the




Question:
itchy skin can be caused by
Answer:
low humidity




Question:
low humidity can cause
Answer:
itchy skin