National Home Inspector Practice Final Exam 2025

National Home Inspector Practice Final Exam 2025 Which of the following describes partial vapor pressure? A) Water vapor has a tendency to disperse itself equally in the available air. B) Water vapor causes new homes to require house wrap. C) Water vapor is common with forced induction natural gas furnaces. D) Water vapor is an indication of sick house syndrome. - Correct Answer-A) Water vapor has a tendency to disperse itself equally in the available air. In order for soffit vents to operate properly, there MUST be: A) A clear air channel between the roof boards and the insulation. B) An absence of insect, bee, and bird nests. C) Vents on both ends on the outside. D) Continuous vent strips on the length of the soffit. - Correct Answer-A) A clear air channel between the roof boards and the insulation. Home inspectors report receptacles with reversed polarity as potentially hazardous because: A) They contribute to the overheating of the receptacle. B) They increase the shock likelihood at connected equipment. C) Single phase appliance motors will run backwards. D) They trip ground fault circuit interrupter outlets. - Correct Answer-B) They increase the shock likelihood at connected equipment. The term "wet vent" refers to a: A) Vent that traps water and therefore stays wet. B) Vent located above the roof line and exposed to rain. C) Vent that runs outside an exterior wall. D) Waste line that also functions as a vent. - Correct Answer-D) Waste line that also functions as a vent. EIFS is a siding material that: A) Is used in commercial buildings only. B) Looks like stucco but lacks a wire mesh. C) Can be installed on top of a modified bitumen membrane. D) Can be installed on top of a masonry surface. - Correct Answer-B) Looks like stucco but lacks a wire mesh. HOME HOME The joints on the exterior of the brick chimney should be: A) Concaved. B) Raked. C) Open. D) Closed. - Correct Answer-A) Concaved When a water heater thermostat is set at 140 ° F or higher, a ______ should be installed to temper the water. A) Temperature probe B) Mixing probe C) Mixing valve D) Temper valve - Correct Answer-C) Mixing valve In a forced air furnace, the burners are used to generate heat in the: A) Heat exchanger. B) Draft diverter. C) Flue. D) Plenum. - Correct Answer-A) Heat exchanger. While inspecting a crawl space, you should probe for decay if the _________ is dark in appearance. A) King joist B) Floor joist C) Masonry wall D) Bearing wall - Correct Answer-B) Floor joist Which statement BEST describes the action a home inspector should take when a safety issue is found in a home? A) Determine the degree of immediacy, and report to the appropriate parties. B) Explain verbally to the client, but do not include in a written report. C) Repair the problem when possible. D) Shut down the system and call a repair contractor. - Correct Answer-A) Determine the degree of immediacy, and report to the appropriate parties. Ivy has grown across the entire exterior brick wall surfaces of a one-family house. The home inspector should report that the ivy: A) Will increase the resale value. B) Will keep the home cooler in the summer. C) Could cause damage to the surface and recommend removal. HOME HOME D) Needs additional maintenance and support to remain on the wall surfaces. - Correct Answer-C) Could cause damage to the surface and recommend removal. Which of the following is the correct termination where the sloped roof terminates with an EIFS wall? A) Use polyurethane caulking between the gutter and the wall. B) Use silicone caulking between the gutter and the wall. C) Use kick-out flashing into the gutter. D) Use only step flashing that is overlapped three inches. - Correct Answer-C) Use kick out flashing into the gutter. Fireplace flues must extend AT LEAST: A) Three feet above roof penetration and two feet above the highest point within 10 feet. B) Two feet above roof penetration and three feet above the highest point within 10 feet. C) Thirty inches above roof penetration and 24 inches above the highest point with eight feet. D) Three feet above roof penetration and three feet above the highest point within eight feet. - Correct Answer-A) Three feet above roof penetration and two feet above the highest point within 10 feet. Damage from ice dams could indicate: A) Over-exposure of shingles or slates. B) Rain gutters with too low an outer lip. C) Insufficient attic insulation. D) Attic vents left open during winter months. - Correct Answer-C) Insufficient attic insulation. When evaluating the operation of an AC system during the summer months, the temperature differential between the supply and renew air should typically be: A) 10-15 ° F. B) 15-20 ° F. C) 15-30 ° F. D) 20-25 ° F. - Correct Answer-B) 15-20 ° F. An electrical wire that is hanging loose with a bare end is seen in the attic of a home. The homeowner says it is an abandoned circuit and is not being used. The quickest way to check the wire is to: A) Touch the bare end with your fingers. B) Believe the homeowner because he knows his house. C) Use a voltage "sniffer." D) Use an amp meter. - Correct Answer-C) Use a voltage "sniffer." HOME HOME Two roof trusses passing above an interior hallway have been cut to install a pull-down attic ladder. There is no cracking or indication of distress in the walls or ceilings. Which of the following is the MOST appropriate action? A) This is not a concern since this is no indication of distress. B) This is beyond the scope of an inspection and does not need to be reported. C) The inspector can evaluate the remaining pieces of the trusses as if they were site built. D) The inspector should recommend this situation be referred to a structural engineer. - Correct Answer-D) The inspector should recommend this situation be referred to a structural engineer. On a previous work day, you left a crawl space access cover off of the access to the pantry. A party fell the next day and was injured. Which of the following insurance types will be used to pay damages? A) General liability and bonding B) General liability and homeowners' coverage C) Errors and omissions and broker liability D) Claims made and occurrence - Correct Answer-B) General liability and homeowners' coverage While inspecting a one-year-old house, slab on grade, you observe hairline cracks in the concrete floor with no vertical displacement. This indicates: A) Insufficient reinforcement. B) Unstable subsoil. C) Overhydrated concrete. D) Normal plastic shrinkage. - Correct Answer-D) Normal plastic shrinkage. When inspecting a home, the seller of the property has made the statement that all the appliances are in working order. As an inspector, you should: A) Take the seller's information for granted, and do not test any appliances. B) Say nothing about the appliance in the report. C) If you inspect appliances, tell your client that you will check them out. D) Assume the seller is hiding a problem, and report your suspicion to the client. - Correct Answer-C) If you inspect appliances, tell your client that you will check them out. You observe approximately 12 inches of loose fill fiberglass insulation in an attic space. You advise the client that the "R" value is approximately: A) R11. B) R13. HOME HOME C) R19. D) R30. - Correct Answer-D) R30. To measure carbon monoxide, you should use a(n): A) OC detector. B) OC2 detector. C) CO2 detector. D) CO detector. - Correct Answer-D) CO detector. You complete your inspection and deliver the report to the client. The seller calls and asks what you found on the inspection. What is your response? A) Explain in detail what you found. B) You are not allowed to discuss your findings with them. C) Tell them that nothing serious was found and not to worry. D) You may discuss your findings if they are willing to fix any problems. - Correct Answer-B) You are not allowed to discuss your findings with them. The MINIMUM width of stairways (not considering railings) is: A) 27 inches. B) 36 inches. C) 42 inches. D) 44 inches. - Correct Answer-B) 36 inches. What type of foundation has a large amount of reinforced steel and is known as a floating foundation? A) Pier-and-grade beam foundation system B) "Inverted T" spread footing foundation C) "Battered" foundation footing system D) Mat foundation slab - Correct Answer-D) Mat foundation slab Generally, which type of item is NOT included in a home inspection? A) Unsafe B) Defective C) Not present D) Cosmetic - Correct Answer-D) Cosmetic Water is dripping from the cold water pipes above a gas water heater. This might be caused by: A) Exhaust spillage. B) Short cycling. HOME HOME C) A cold start. D) Overfiring. - Correct Answer-A) Exhaust spillage. You are approached by a real estate agent/broker to advertise in their office brochure for a fee. In turn, they will promote your firm as a preferred vendo