National Home inspector exam Guide 2024

National Home inspector exam Guide 2024 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 ANSWERimproper 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 Connections of dissimilar metal in a plumbing system, such as galvanized steel pipe and copper pipe, will usually cause - CORRECT ANSWER-electrolysis A ground fault circuit interrupter (GFCI) is a safety device that - CORRECT ANSWERdisconnects the power when sensing current leakage to ground An electrical system with a fuse on the neutral conductor and on the energized (hot) conductors - CORRECT ANSWER-is hazardous and should be corrected To operate a central air conditioner, an electric clothes dryer, and and electric range, the ampacity of the service to the house should be AT LEAST - CORRECT ANSWER100 amps at 240 volts A floor joist in a crawl space has been cut where the toilet drain passes through the floor. the joists are 2x6 spaced at 16" on center. The inspector should recommend that - CORRECT ANSWER-a contractor be contacted to determine what is needed and make repair