Free NHIE Practice Questions
Six real questions from the Inspect Practice NHIE bank — site conditions, electrical systems, life-safety equipment and professional responsibilities. Click each question to reveal the answer and explanation. The full NHIE curriculum covers 15 chapters with 1,200 questions.
1A swimming pool is enclosed by a fence. You notice that the fence has a gate that opens outward from the pool area. The gate is equipped with a self-latching mechanism. What is the most important detail to check regarding the latch?
- A.The latch should be on the pool side of the gate.
- B.The latch should be at least 54 inches above the ground.
- C.The latch should be a keyed lock for adult supervision.
- D.The latch should be on the outside of the gate, away from the pool.
Correct answer: D — The latch should be on the outside, not accessible from the pool side, to prevent a child in the pool from opening the gate.
2A property has a steep slope behind the house. You notice that the slope has no retaining wall and shows signs of minor erosion. What is the MOST critical potential hazard?
- A.The slope is likely to erode and undermine the house's foundation.
- B.The slope will cause water to pool at the base of the house.
- C.The slope may fail and cause a mudslide or landslide that could damage the house.
- D.The slope is a fire hazard due to dry vegetation.
Correct answer: C — An unretained steep slope is a potential landslide hazard. Erosion is a warning sign of slope instability, which can lead to catastrophic failure.
3At a main panel, you note that the electric utility's service entrance conductors are connected to the service disconnect, and a bare copper conductor runs from the neutral/ground bar to a ground rod. The panel is bonded to the water pipe. Which of the following is a critical missing component?
- A.A grounding electrode conductor for the water pipe
- B.A main bonding jumper
- C.A separate equipment grounding bar
- D.A service neutral conductor
Correct answer: A — The water pipe ground requires a grounding electrode conductor sized per code, connected to the panel's ground bus. Without it, the water pipe isn't an effective electrode, compromising fault current path and safety.
4While inspecting a panel, you notice two neutral wires from different circuits are connected to the same neutral bus bar terminal. What is the primary safety issue?
- A.This is an acceptable practice but causes cosmetic issues
- B.It creates a potential for overloading the neutral conductor
- C.It prevents the breaker from tripping on overload
- D.It causes a short circuit between the two circuits
Correct answer: B — Double-lugging neutrals can overload the shared neutral if the circuits are on different phases, creating a fire hazard.
5A homeowner has installed a carbon monoxide (CO) alarm in the garage, near the floor, to detect CO from a car. What is the inspector's best advice?
- A.The alarm is correctly placed because CO is heavier than air.
- B.The alarm should be relocated to a bedroom or living area, not the garage.
- C.The alarm is unnecessary because CO detectors are only required near fuel-burning appliances.
- D.The alarm should be mounted on the ceiling because CO rises with warm air.
Correct answer: B — CO alarms are for protecting occupants in sleeping and living areas; garage placement doesn't alert occupants and may cause nuisance alarms from vehicle exhaust.
6After completing an inspection, the inspector realizes they inadvertently omitted a visible crack in the foundation from the report. What is the most ethical course of action?
- A.Issue a revised report and inform the client of the correction
- B.Wait until the client asks about the crack before addressing it
- C.Add the crack to the report without notifying the client
- D.Ignore the omission because the report was already delivered
Correct answer: A — Professional integrity requires correcting errors promptly and transparently. Withholding or silently correcting undermines trust and could lead to liability.
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