MASTER THE VIRGINIA HIC EXAM: A COMPLETE 350-
QUESTION PRACTICE BANK COVERING FRAMING,
ROOFING, MASONRY, ELECTRICAL, PLUMBING, AND
GENERAL CONSTRUCTION
1. What type of nail is used in floor installation?
Correct Answer: 7d or 8d threaded/Cut steel
Explanation: Threaded or cut steel nails have a rough shank that
provides high withdrawal resistance, preventing floorboards from
loosening or squeaking as the wood expands and contracts.
2. What should be applied to crevices in wood flooring?
Correct Answer: Filling
Explanation: Wood filler is applied to crevices to seal gaps, prevent dirt
and moisture from penetrating, and create a smooth, finished surface.
3. What is the best nail for hardwood?
Correct Answer: Ring shank nail
Explanation: The rings along the shank create maximum friction with
the dense hardwood fibers, giving it superior holding power compared
to smooth nails.
,4. What is the maximum size of a floor frame opening?
Correct Answer: 5 sq ft (R310.2.1)
Explanation: The IRC limits unsupported floor framing openings to 5
square feet to maintain structural integrity and prevent floor sagging.
5. When installing a string of wall cabinets, the cabinets should:
Correct Answer: Be attached to the adjacent cabinets before attaching
to the wall
Explanation: Securing cabinets to each other first creates one solid,
level unit, making it easier to align and fasten the entire assembly to
wall studs.
6. What is the MINIMUM height for a stairway handrail?
Correct Answer: 34 inches
Explanation: Measured vertically from the stair nosing to the top of the
handrail, 34 inches is the IRC minimum to provide adequate fall
protection for average-height adults.
7. A third stairway stringer should be used when the stair width
exceeds:
Correct Answer: 30 inches
Explanation: Stairs wider than 30 inches require a center stringer to
provide intermediate support for the treads, preventing them from
bowing or breaking under load.
,8. What type of nail is best for general construction?
Correct Answer: Smooth shank
Explanation: Smooth shank nails are inexpensive, drive easily without
splitting most framing lumber, and are sufficient for non-structural or
temporary general construction applications.
9. What is the MAXIMUM flame spread index for insulation materials?
Correct Answer: 25 (R302.10.1)
Explanation: Building codes require a flame spread index of 25 or less
for foam plastic insulation to ensure it does not rapidly spread fire in a
building.
10. What is the MAXIMUM dimension of the ventilation coverings for
under-floor space?
Correct Answer: 1/4 inch (R408.2)
Explanation: Ventilation openings in crawl spaces must be covered with
a corrosion-resistant mesh with openings no larger than 1/4 inch to
keep out pests while allowing airflow.
11. Flexible insulation placed in floor joists above an unheated crawl
space should:
Correct Answer: Be well supported between joists using a wire mesh or
rigid board
Explanation: Without rigid support, flexible batts will sag or fall out
, over time, losing their R-value. Wire mesh or rigid board holds them
firmly in place against the subfloor.
12. In a crawl space, how far from the floor joints do you need to place
vapor retarder?
Correct Answer: Top soil
Explanation: The vapor retarder is placed directly on the soil
surface (not attached to joists) to block ground moisture from
evaporating into the crawl space air.
13. Ice dam protection needs to be installed ________ from the edge
of eaves:
Correct Answer: 24 inches (R905.1.2)
Explanation: Ice barrier membrane must extend at least 24 inches past
the interior wall line to prevent water from backing up under shingles
during ice dam formation.
14. Where should radiant heat barrier be installed in an attic?
Correct Answer: Rafters
Explanation: Installing it on the underside of the rafters (rather than the
floor) reflects radiant heat downward in summer, keeping the attic
cooler and reducing HVAC loads.
15. What is the major advantage of Icynene over polyurethane foam?
Correct Answer: Can be poured instead of sprayed
QUESTION PRACTICE BANK COVERING FRAMING,
ROOFING, MASONRY, ELECTRICAL, PLUMBING, AND
GENERAL CONSTRUCTION
1. What type of nail is used in floor installation?
Correct Answer: 7d or 8d threaded/Cut steel
Explanation: Threaded or cut steel nails have a rough shank that
provides high withdrawal resistance, preventing floorboards from
loosening or squeaking as the wood expands and contracts.
2. What should be applied to crevices in wood flooring?
Correct Answer: Filling
Explanation: Wood filler is applied to crevices to seal gaps, prevent dirt
and moisture from penetrating, and create a smooth, finished surface.
3. What is the best nail for hardwood?
Correct Answer: Ring shank nail
Explanation: The rings along the shank create maximum friction with
the dense hardwood fibers, giving it superior holding power compared
to smooth nails.
,4. What is the maximum size of a floor frame opening?
Correct Answer: 5 sq ft (R310.2.1)
Explanation: The IRC limits unsupported floor framing openings to 5
square feet to maintain structural integrity and prevent floor sagging.
5. When installing a string of wall cabinets, the cabinets should:
Correct Answer: Be attached to the adjacent cabinets before attaching
to the wall
Explanation: Securing cabinets to each other first creates one solid,
level unit, making it easier to align and fasten the entire assembly to
wall studs.
6. What is the MINIMUM height for a stairway handrail?
Correct Answer: 34 inches
Explanation: Measured vertically from the stair nosing to the top of the
handrail, 34 inches is the IRC minimum to provide adequate fall
protection for average-height adults.
7. A third stairway stringer should be used when the stair width
exceeds:
Correct Answer: 30 inches
Explanation: Stairs wider than 30 inches require a center stringer to
provide intermediate support for the treads, preventing them from
bowing or breaking under load.
,8. What type of nail is best for general construction?
Correct Answer: Smooth shank
Explanation: Smooth shank nails are inexpensive, drive easily without
splitting most framing lumber, and are sufficient for non-structural or
temporary general construction applications.
9. What is the MAXIMUM flame spread index for insulation materials?
Correct Answer: 25 (R302.10.1)
Explanation: Building codes require a flame spread index of 25 or less
for foam plastic insulation to ensure it does not rapidly spread fire in a
building.
10. What is the MAXIMUM dimension of the ventilation coverings for
under-floor space?
Correct Answer: 1/4 inch (R408.2)
Explanation: Ventilation openings in crawl spaces must be covered with
a corrosion-resistant mesh with openings no larger than 1/4 inch to
keep out pests while allowing airflow.
11. Flexible insulation placed in floor joists above an unheated crawl
space should:
Correct Answer: Be well supported between joists using a wire mesh or
rigid board
Explanation: Without rigid support, flexible batts will sag or fall out
, over time, losing their R-value. Wire mesh or rigid board holds them
firmly in place against the subfloor.
12. In a crawl space, how far from the floor joints do you need to place
vapor retarder?
Correct Answer: Top soil
Explanation: The vapor retarder is placed directly on the soil
surface (not attached to joists) to block ground moisture from
evaporating into the crawl space air.
13. Ice dam protection needs to be installed ________ from the edge
of eaves:
Correct Answer: 24 inches (R905.1.2)
Explanation: Ice barrier membrane must extend at least 24 inches past
the interior wall line to prevent water from backing up under shingles
during ice dam formation.
14. Where should radiant heat barrier be installed in an attic?
Correct Answer: Rafters
Explanation: Installing it on the underside of the rafters (rather than the
floor) reflects radiant heat downward in summer, keeping the attic
cooler and reducing HVAC loads.
15. What is the major advantage of Icynene over polyurethane foam?
Correct Answer: Can be poured instead of sprayed
