On a sloped asphalt-shingle roof, what is the primary purpose of the metal or plastic drip edge installed along the eaves and rakes?

To direct runoff into the gutter and keep water from wicking back onto the fascia and sheathing

To increase the roof's fire resistance rating

To hold the shingles down during high winds

To provide attic ventilation at the roof edge

In a home's electrical panel, why is it a defect to find two circuit conductors (a 'double tap') under a single breaker terminal not rated for two wires?

The terminal may not clamp both wires securely, causing loose connections, arcing, and overheating

It doubles the available amperage on the circuit

It improves grounding of the panel

It is required by code for kitchen circuits

An inspector finds no anti-tip bracket on a freestanding kitchen range. Why is this reported as a safety concern?

The range can tip forward if weight is applied to an open oven door, risking injury and burns

The range will not heat evenly without it

The bracket is required for electrical grounding

It prevents gas leaks at the supply line

In a vented attic, what problem is most directly caused by inadequate balance between soffit (intake) and ridge (exhaust) ventilation?

Moisture buildup and heat accumulation leading to condensation, mold, and premature shingle aging

Excessive foundation settlement

Increased water pressure at fixtures

Higher risk of electrical short circuits in the panel

On a forced-air furnace, why is a cracked heat exchanger considered a serious safety defect?

It can allow combustion gases, including carbon monoxide, to mix with the conditioned air distributed through the home

It reduces the airflow through the ducts only

It causes the blower motor to overheat

It only affects the furnace's energy efficiency

What does the presence of efflorescence (a white crystalline deposit) on a basement foundation wall indicate to an inspector?

Water has been moving through the masonry, leaving mineral salts as it evaporates

The concrete is losing structural strength rapidly

There is an electrical fault behind the wall

In a crawlspace with exposed soil, why does an inspector recommend a vapor barrier (ground cover) over the earth?

To reduce moisture migrating from the soil into the crawlspace, limiting wood decay and mold

To provide additional structural support to the floor joists

To improve the crawlspace's fire rating

To serve as a walking surface for future repairs

A well-written home inspection report finding should generally include which combination of elements?

The location and description of the defect, its implication, and a recommended action

Only the inspector's personal opinion of the seller

A guaranteed repair cost estimate for every item

The names of past owners of the property

Why should an inspection report distinguish between a 'deficiency' and an item that is simply near the end of its service life?

So the client can prioritize actual defects versus planning for eventual, expected replacement

Because near-end-of-life items never need to be reported

Because service life has no bearing on a home purchase

So the inspector can avoid inspecting older components

Under a typical home inspector Standard of Practice, which of the following best describes the nature of a general home inspection?

A visual, non-invasive examination of readily accessible systems and components to identify observed defects

A code-compliance audit that certifies the home meets all current building codes

A guarantee or warranty that no problems will arise after purchase

A destructive investigation that includes opening walls and dismantling equipment

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National Home Inspector Exam (NHIE) Practice Test

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Sample practice questions

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1. Property & Building Inspection
On a sloped asphalt-shingle roof, what is the primary purpose of the metal or plastic drip edge installed along the eaves and rakes?
- a.To increase the roof's fire resistance rating
- b.To direct runoff into the gutter and keep water from wicking back onto the fascia and sheathing
- c.To hold the shingles down during high winds
- d.To provide attic ventilation at the roof edge
Answer: b
Explanation: A drip edge extends water past the fascia so runoff falls into the gutter rather than wicking behind it and rotting the sheathing and fascia. It is a moisture-management detail, not a structural, ventilation, or fire component.
2. Property & Building Inspection
In a home's electrical panel, why is it a defect to find two circuit conductors (a 'double tap') under a single breaker terminal not rated for two wires?
- a.The terminal may not clamp both wires securely, causing loose connections, arcing, and overheating
- b.It doubles the available amperage on the circuit
- c.It improves grounding of the panel
- d.It is required by code for kitchen circuits
Answer: a
Explanation: Most breakers are listed for a single conductor; forcing two under one lug can leave one wire loose, producing high-resistance connections that arc and overheat. Double taps are only acceptable on breakers specifically listed for two conductors.
3. Property & Building Inspection
An inspector finds no anti-tip bracket on a freestanding kitchen range. Why is this reported as a safety concern?
- a.The range will not heat evenly without it
- b.The range can tip forward if weight is applied to an open oven door, risking injury and burns
- c.The bracket is required for electrical grounding
- d.It prevents gas leaks at the supply line
Answer: b
Explanation: An anti-tip bracket anchors the rear of the range so it cannot tip forward when a child stands or leans on the open oven door. Missing brackets are a common, easily corrected safety defect.
4. Property & Building Inspection
In a vented attic, what problem is most directly caused by inadequate balance between soffit (intake) and ridge (exhaust) ventilation?
- a.Excessive foundation settlement
- b.Increased water pressure at fixtures
- c.Moisture buildup and heat accumulation leading to condensation, mold, and premature shingle aging
- d.Higher risk of electrical short circuits in the panel
Answer: c
Explanation: Balanced intake at the soffits and exhaust at the ridge lets air wash the underside of the roof, carrying away heat and moisture. Without it, condensation and heat build up, promoting mold, rot, and shortened shingle life.
5. Property & Building Inspection
On a forced-air furnace, why is a cracked heat exchanger considered a serious safety defect?
- a.It reduces the airflow through the ducts only
- b.It can allow combustion gases, including carbon monoxide, to mix with the conditioned air distributed through the home
- c.It causes the blower motor to overheat
- d.It only affects the furnace's energy efficiency
Answer: b
Explanation: The heat exchanger separates combustion gases from the breathing air moved by the blower. A crack can leak carbon monoxide into the supply air, so a suspected cracked exchanger warrants immediate evaluation and shutdown.
6. Property & Building Inspection
What does the presence of efflorescence (a white crystalline deposit) on a basement foundation wall indicate to an inspector?
- a.The concrete is losing structural strength rapidly
- b.The wall was recently painted
- c.There is an electrical fault behind the wall
- d.Water has been moving through the masonry, leaving mineral salts as it evaporates
Answer: d
Explanation: Efflorescence is mineral salt left behind as water passes through masonry and evaporates at the surface. It is evidence of past or present moisture intrusion and should prompt a look at grading, drainage, and waterproofing.
7. Property & Building Inspection
In a crawlspace with exposed soil, why does an inspector recommend a vapor barrier (ground cover) over the earth?
- a.To reduce moisture migrating from the soil into the crawlspace, limiting wood decay and mold
- b.To provide additional structural support to the floor joists
- c.To improve the crawlspace's fire rating
- d.To serve as a walking surface for future repairs
Answer: a
Explanation: Bare soil continuously releases moisture into the crawlspace, feeding mold and rot in the wood structure above. A vapor barrier over the ground greatly reduces this moisture load and protects the framing and insulation.
8. Analysis of Findings & Reporting
A well-written home inspection report finding should generally include which combination of elements?
- a.The location and description of the defect, its implication, and a recommended action
- b.Only the inspector's personal opinion of the seller
- c.A guaranteed repair cost estimate for every item
- d.The names of past owners of the property
Answer: a
Explanation: Clear findings state what was observed and where, why it matters (the implication), and what the client should do next. This structure lets clients understand and act on the issue without the inspector guaranteeing costs or making unrelated claims.
9. Analysis of Findings & Reporting
Why should an inspection report distinguish between a 'deficiency' and an item that is simply near the end of its service life?
- a.Because near-end-of-life items never need to be reported
- b.So the client can prioritize actual defects versus planning for eventual, expected replacement
- c.Because service life has no bearing on a home purchase
- d.So the inspector can avoid inspecting older components
Answer: b
Explanation: A deficiency is something not performing as intended, while an aging component may still function but warrant future budgeting. Distinguishing them helps clients separate urgent repairs from planned capital expenses.
10. Professional Responsibilities
Under a typical home inspector Standard of Practice, which of the following best describes the nature of a general home inspection?
- a.A visual, non-invasive examination of readily accessible systems and components to identify observed defects
- b.A code-compliance audit that certifies the home meets all current building codes
- c.A guarantee or warranty that no problems will arise after purchase
- d.A destructive investigation that includes opening walls and dismantling equipment
Answer: a
Explanation: Standards of Practice define a home inspection as a visual, non-invasive survey of accessible systems, reporting defects observed at the time. It is not a code inspection, a warranty, or a destructive investigation, and reports should reflect those limits.