EXAM PRACTICE TEST QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
PLUS RATIONALES 2025 Q&A | INSTANT
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1. What is the minimum required headroom for stairways in residential
homes?
A. 6 feet
B. 6 feet 4 inches
C. 6 feet 8 inches
D. 7 feet
The International Residential Code (IRC), adopted in Connecticut,
requires a minimum stairway headroom of 6 feet 8 inches.
2. Which of the following would typically not be inspected during a
standard home inspection?
A. Roof covering
B. Cosmetic wall paint condition
C. Foundation
, D. HVAC system
Cosmetic conditions like paint are outside the scope of a standard
home inspection, which focuses on systems and structures.
3. Aluminum branch circuit wiring is most commonly found in homes
built between:
A. 1940–1950
B. 1965–1973
C. 1980–1990
D. 2000–2010
Aluminum wiring was commonly used during 1965–1973 due to
copper shortages.
4. What is the primary concern with double tapping a circuit breaker?
A. Overvoltage
B. Overheating and loose connections
C. Low voltage delivery
D. Increased resistance
Double tapping can cause loose connections that may lead to arcing
and overheating.
5. Which roof material typically has the shortest lifespan?
A. Metal
B. Asphalt shingles
C. Slate
, D. Clay tile
Asphalt shingles typically last 15–30 years, shorter than other
materials.
6. What is the purpose of a drip edge on a roof?
A. To anchor shingles
B. To support gutters
C. To direct water away from fascia and roof deck
D. To ventilate the attic
A drip edge helps prevent water infiltration behind the fascia and
into the roof deck.
7. A home inspector in Connecticut is required to:
A. Be licensed by the Department of Consumer Protection
B. Submit to annual physical exams
C. Work under a general contractor
D. Provide engineering reports
Licensing is managed by the Connecticut Department of Consumer
Protection.
8. Which plumbing material is most susceptible to pinhole leaks?
A. PVC
B. Copper
C. PEX
D. Galvanized steel
Copper pipes can develop pinhole leaks due to corrosion over time.
, 9. What should be reported if a water heater is missing a TPR
(Temperature Pressure Relief) valve?
A. Minor maintenance item
B. Safety hazard
C. Code violation only
D. Age-related issue
A missing TPR valve is a serious safety hazard that can lead to
explosion.
10. What is the minimum slope required for proper drainage away
from a home’s foundation?
A. 1% (1/8 inch per foot)
B. 5% (6 inches over 10 feet)
C. 10% (1 foot over 10 feet)
D. 0% (flat)
A slope of 6 inches over the first 10 feet is recommended to ensure
proper drainage.
11. What is considered an acceptable reading for moisture content
in wood framing?
A. Less than 19%
B. 25–30%
C. 35%
D. 45%
Moisture levels above 19% increase the risk of fungal growth and
wood rot.