NATIONAL HOME INSPECTOR EXAM (NHIE) WHOLE HOUSE PRACTICE EXAM REAL 2026 STUDY QUESTIONS WITH VERIFIED SOLUTIONS 100% GUARANTEED PASS RATED A+

May 24, 2026

What is the minimum gap in a crawlspace soil floor to the bottom of a supply or return air duct?

A. Half the distance between the bottom of the floor joist and soil

B. Minimum of 4" above the floor in the crawlspace

C. Minimum of 8" above the floor in the crawlspace

D. Any distance above the pot...