Domain 1, task 11
Interior practice questions
10 free interior questions in the style of the National Home Inspector Exam, each with the answer and the reason. The official outline calls this task "Interior" and gives it 4% of the exam, about 7 of the 175 scored questions.
Checked on October 4, 2026
Question 1 of 10
Wood panels used as an interior wall finish are usually
The answer is BWood panels usually run between 1/8 and 1/4 inch thick, and they are much simpler to install than other finishes. They appear in finished basements and in houses from certain eras.
Question 2 of 10
At the foot of a door casing, the block where the casing meets the base is the:
The answer is CA plinth block sits at the bottom of the door casing and takes the end of the base. A rosette is the block at an upper corner of the door casing.
Question 3 of 10
During an inspection, a home inspector opens a bedroom door partway and lets go, and the door swings on its own. This indicates:
The answer is BA hinged door should stay where it is left when partly open. One that moves on its own was installed improperly, or its framed opening may have moved out of position, and a door that will not stay open is on the typical defect list. A latch that does not catch is a separate lock defect and does not make a door swing.
Question 4 of 10
A home inspector finds damaged sheet vinyl that was made in the 1960s. Home inspectors may wish to:
The answer is DLinoleum and vinyl made earlier than the 1970s may contain asbestos, and home inspectors may wish to tell clients so, especially where the material is damaged or deteriorated. Telling the client that asbestos is present claims a result that only testing could support.
Question 5 of 10
Where a home inspector believes a stairway component is unsafe, reporting that condition:
The answer is DThe manual treats safety as the main issue at stairways, handrails, and guards. When the inspector believes a component is unsafe, reporting it may be required, and it is certainly the recommended course. Varying standards affect how a condition is judged, not whether an unsafe condition gets reported.
Question 6 of 10
A Type 2 handrail differs from a Type 1 handrail because it has a
The answer is CThe handrail shapes figure shows the Type 2 handrail with a finger recess on both sides of its profile. A return is the turned end of a handrail, and a volute is a decorative spiral at the bottom tread.
Question 7 of 10
Which smart products can sense freezing temperatures that could burst pipes, as well as water leaks?
The answer is ASmart leak detectors can sense leaking water, and they can also sense cold that could freeze and burst pipes. Smart thermostats control heating and cooling and can be programmed at the device or from a remote device.
Question 8 of 10
A home inspector examines a ceramic tile kitchen countertop. Which finding is a typical defect to report?
The answer is BWorn or absent grout at tile countertops is on the list of typical countertop defects. Grout sealing helps but does not eliminate staining, and the manual describes stained grout as a maintenance problem rather than listing it as a defect.
Question 9 of 10
Which oven finding should a home inspector report as a defect?
The answer is DA self-clean latch that fails to engage appears on the manual's list of typical cooking appliance defects. An orange tip on an otherwise blue gas flame is acceptable, and some ovens are built so that they will not operate while the door is open. Checking whether the thermostat is calibrated is not part of the inspection.
Question 10 of 10
A disposer installed at a thin gauge metal sink will often:
The answer is AOn a thin gauge metal sink, a disposer will often make the sink shake and run louder than normal; leaks are also more likely where it joins the sink outlet. Water standing in a disposer is caused by a fixture arm terminating too high, not by the sink.
Pick an answer to see the reason
What the outline puts in this task
- Walls, ceilings, floors, doors, and windows
- Stairs, landings, and railings
- Countertops and cabinets
- Installed kitchen appliances
- Smart home devices
These questions come from the course question bank and are set aside for free use. None of them is on a paid practice exam. See all 19 topics.
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