2026 | VERIFIED ANSWERS | GRADED A+ |
PASS GUARANTEED
What is used to remove air pockets from plain concrete - ANSWER Vibration
What is the allowable MINIMUM specified compressive strength for concrete in
foundations NOT exposed to weather? - ANSWER 2,500 psi
What is the diameter of number 5 rebar? - ANSWER 5/8 inch.
Refer to Figure 1004bu. What is the MAXIMUM width for a footing projection
(P)? - ANSWER The thickness of the footing.
In general, what is the MINIMUM concrete covering for steel reinforcement in a
footing? - ANSWER 3.0 inches.
A concrete block foundation wall that is adequately braced should be cured for a
MINIMUM of how much time before backfilling? - ANSWER 48 hours.
All of the following are benefits of platform construction as compared to balloon
construction EXCEPT - ANSWER easier installation of plumbing and wiring.
, What is the MAXIMUM spacing for double floor joists that are separated to allow
installation of piping? - ANSWER 4 feet on center.
Wall framing is being constructed one floor at a time. What type of wood framing
method is being used? - ANSWER Platform.
A jack rafter is face nailed to a hip rafter. The MINIMUM number of 16d common
nails that should be used is - ANSWER three.
Where is temporary horizontal bracing attached when erecting trusses? -
ANSWER Near the ridge line of the truss.
A third stairway stringer should be used when the stair width exceeds -
ANSWER 30 inches
What is NOT required in exterior nonbearing walls? - ANSWER Load-bearing
headers.
A lengthwise grain separation between or through the growth rings of lumber is
called a - ANSWER shake
How MUST rafters be framed to each other? - ANSWER With a gusset plate.
What is the MAXIMUM flame spread index for insulation materials? -
ANSWER 25
, Flexible (batts) insulation placed in floor joists above an unheated crawl space
should - ANSWER be well supported between joists.
Using which of the following would cause the GREATEST increase in the
insulation value when re-siding with aluminum? - ANSWER Perforated
reflector foil
What is the MAXIMUM distance between a ventilating opening in an under-floor
space and each corner of the building? - ANSWER 3 feet
What is the MAXIMUM dimension of the ventilation coverings for under-floor
space? - ANSWER 1/4 inch.
Attic spaces should - ANSWER be vented for summer heat relief.
What is the MINIMUM square footage of net clear opening area for an egress
window in a second floor sleeping area? - ANSWER 5.70 square feet.
How is the hand of a door determined? - ANSWER By the location of the
hinges when the door is viewed from the inside.
Which window type consists of an upper and a lower sash that slide vertically in
the side jambs? - ANSWER Double-hung.
, What is the MINIMUM overlap for joints in the polyethylene film moisture
barrier applied over the exterior of a below grade foundation wall? -
ANSWER 6 inches
Timing for floating and trowling is critical in producing - ANSWER A smooth
and durable surface
Work sites may allow more water to be added to the concrete mixture if -
ANSWER Maintain the slump, without exceeding the allow water - cement
ratio
What is the minimum requirement for the compressive strength of concrete used
in a garage floor in a severe exposure area - ANSWER 3,500 PSI
Actual standard size of a concrete block? - ANSWER 7 5/8 x 7 6/8 x 13 5/8
What is the MINIMUM breaking strength required of safety belt lanyards -
ANSWER 5,400 pounds
What is the MINIMUM clearance that combustible insulation MUST other heat-
producing devices - ANSWER 1 inch
The escape device for a trench over 4 feet deep MUST be within a MAXIMUM of
- ANSWER 25 feet of the worker