PSI NATIONAL HOME INSPECTOR PRACTICE EXAM 2026 TEST QUESTIONS WITH
ACCURATE SOLUTIONS
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.
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.
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.
B) They increase the shock likelihood at connected equipment.
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.
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.
C) R19.
D) R30.
D) R30.
To measure carbon monoxide, you should use a(n):
, A) OC detector.
B) OC2 detector.
C) CO2 detector.
D) CO detector.
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.
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.
B) 36 inches.
ACCURATE SOLUTIONS
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.
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.
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.
B) They increase the shock likelihood at connected equipment.
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.
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.
C) R19.
D) R30.
D) R30.
To measure carbon monoxide, you should use a(n):
, A) OC detector.
B) OC2 detector.
C) CO2 detector.
D) CO detector.
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.
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.
B) 36 inches.
