National Home inspector exam 494
Questions and Answers Graded A+
At what level would water pressure within a single-family dwelling begin to be
considered excessive and require correction - Correct answer-80 PSI
buckling in horizontal vinyl siding is generally caused by - Correct answer-
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 -
Correct answer-an escape and rescue opening
A swimming pool fence must prevent passage of a sphere that is larger than -
Correct answer-4 inches
If water infiltration is suspected behind a finished surface, what tool would be the
best choice to verify dampness? - Correct answer-non-contact moisture meter
Gas-fired furnace heat exchangers most often fail from - Correct answer-rust and
metal fatigue
relative humidity (RH) is expressed as - Correct answer-percentage
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
Questions and Answers Graded A+
At what level would water pressure within a single-family dwelling begin to be
considered excessive and require correction - Correct answer-80 PSI
buckling in horizontal vinyl siding is generally caused by - Correct answer-
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 -
Correct answer-an escape and rescue opening
A swimming pool fence must prevent passage of a sphere that is larger than -
Correct answer-4 inches
If water infiltration is suspected behind a finished surface, what tool would be the
best choice to verify dampness? - Correct answer-non-contact moisture meter
Gas-fired furnace heat exchangers most often fail from - Correct answer-rust and
metal fatigue
relative humidity (RH) is expressed as - Correct answer-percentage
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
