NATIONAL HOME INSPECTOR EXAM
QUESTIONS AND CORRECT ANSWERS.
VERIFIED 2025/2026.
At what level would water pressure within a single-family dwelling begin to be considered
excessive and require correction - ANS 80 PSI
buckling in horizontal vinyl siding is generally caused by - ANS improper fastening
A newer home with electric heat is being inspected. It has a below grade finished basement
containing a bedroom. The inspector should look for a smoke alarm and - ANS an escape and
rescue opening
A swimming pool fence must prevent passage of a sphere that is larger than - ANS 4 inches
If water infiltration is suspected behind a finished surface, what tool would be the best choice to
verify dampness? - ANS non-contact moisture meter
Gas-fired furnace heat exchangers most often fail from - ANS rust and metal fatigue
relative humidity (RH) is expressed as - ANS percentage
Connections of dissimilar metal in a plumbing system, such as galvanized steel pipe and copper
pipe, will usually cause - ANS electrolysis
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
QUESTIONS AND CORRECT ANSWERS.
VERIFIED 2025/2026.
At what level would water pressure within a single-family dwelling begin to be considered
excessive and require correction - ANS 80 PSI
buckling in horizontal vinyl siding is generally caused by - ANS improper fastening
A newer home with electric heat is being inspected. It has a below grade finished basement
containing a bedroom. The inspector should look for a smoke alarm and - ANS an escape and
rescue opening
A swimming pool fence must prevent passage of a sphere that is larger than - ANS 4 inches
If water infiltration is suspected behind a finished surface, what tool would be the best choice to
verify dampness? - ANS non-contact moisture meter
Gas-fired furnace heat exchangers most often fail from - ANS rust and metal fatigue
relative humidity (RH) is expressed as - ANS percentage
Connections of dissimilar metal in a plumbing system, such as galvanized steel pipe and copper
pipe, will usually cause - ANS electrolysis
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
