NATIONAL HOME INSPECTOR
PRACTICE EXAM | QUESTIONS &
ANSWERS (VERIFIED) | 2026/2027
LATEST UPDATE | GRADED A+
The MOST common cause of chimney flue liner deterioration is:
Correct Answer: Condensation
Damage from ice dams could indicate:
Correct Answer: Insufficient attic insulation
Which of the following is a safety mandate in a remodeled home where a hydro-
massage bathtub has been added?
Correct Answer: There must be a ground fault circuit interrupter.
While inspecting a crawlspace, you should probe for the key if the
in dark in appearance.
Correct Answer: Floor joist
During your inspection you see small white insects. What do you say to your clients?
Correct Answer: Suggest obtaining the services of a pest control operator.
The term "wet vent" refers to a:
1
, Correct Answer: Waste line that auto functions as a vent.
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?
Correct Answer: You are not allowed to discuss your findings with them.
Looking into an open electric service panel you see a wire with evidence of burning.
What should you do?
Correct Answer: Report on the condition, and inform the homeowner that and
electrician should review.
The purpose of anchor bolts in a cell plate is to:
Correct Answer: Prevent movement.
When a water heater thermostat is set at 140°F or higher, a should be
installed to temper the water.
Correct Answer: Mixing valve
The joints on the exterior of the brick chimney should be:
Correct Answer: Concaved.
The proper slope on a drain line is:
Correct Answer: 1/4 inch to 1/2 inch per foot.
2
PRACTICE EXAM | QUESTIONS &
ANSWERS (VERIFIED) | 2026/2027
LATEST UPDATE | GRADED A+
The MOST common cause of chimney flue liner deterioration is:
Correct Answer: Condensation
Damage from ice dams could indicate:
Correct Answer: Insufficient attic insulation
Which of the following is a safety mandate in a remodeled home where a hydro-
massage bathtub has been added?
Correct Answer: There must be a ground fault circuit interrupter.
While inspecting a crawlspace, you should probe for the key if the
in dark in appearance.
Correct Answer: Floor joist
During your inspection you see small white insects. What do you say to your clients?
Correct Answer: Suggest obtaining the services of a pest control operator.
The term "wet vent" refers to a:
1
, Correct Answer: Waste line that auto functions as a vent.
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?
Correct Answer: You are not allowed to discuss your findings with them.
Looking into an open electric service panel you see a wire with evidence of burning.
What should you do?
Correct Answer: Report on the condition, and inform the homeowner that and
electrician should review.
The purpose of anchor bolts in a cell plate is to:
Correct Answer: Prevent movement.
When a water heater thermostat is set at 140°F or higher, a should be
installed to temper the water.
Correct Answer: Mixing valve
The joints on the exterior of the brick chimney should be:
Correct Answer: Concaved.
The proper slope on a drain line is:
Correct Answer: 1/4 inch to 1/2 inch per foot.
2
