Per typical IRC/IBC frost-protection practice, footings must extend to which of the following depths?
Sitework Footings Foundation
Question · Easy
GFCI inspection
Short
A continuous strip footing is 40 feet long, 2 feet wide, and 1 foot thick. How many cubic yards of concrete are required (ignore waste)?
Question · Medium
What is the primary purpose of a vapor retarder under an interior concrete slab-on-grade?
Trades Exam Prep Podcast
Listen on Spotify
Podcast
Compaction of structural fill under footings and slabs is typically verified by which field method?
On a site with a 2% positive drainage slope away from the foundation, how much vertical drop occurs over a horizontal run of 10 feet?
Question · Hard
Six feet: a hard-hat anthem
What is the main function of a footing key or keyway between a footing and a foundation wall?
Which soil condition most commonly requires dewatering or sumps before placing footings?
Anchor bolts embedding a wood sill plate to a concrete foundation are primarily intended to resist which force?
A rectangular excavation for a mat footing measures 30 ft by 20 ft by 4 ft deep. Approximately how many cubic yards of soil will be removed (bank measure, ignore swell)?
How deep before you need a trench box?
What does the "w/c ratio" refer to in concrete mix design?
Concrete Reinforcement
A concrete slab is specified as 4,000 psi at 28 days. What does this primarily describe?
What is the standard diameter of a #5 reinforcing bar?
Minimum concrete cover for #5 rebar cast against and permanently exposed to earth (for example the bottom of a footing) is typically which of the following per ACI/common code practice?
OSHA fall heights, to scale
A foundation wall is to receive #4 vertical bars at 16 inches on center along a 48-foot wall. How many vertical bars are required (including one at each end)?
What is the main purpose of curing concrete after placement?
Control (contraction) joints in a concrete slab are provided primarily to:
A lap splice for tension reinforcement is generally measured as which of the following?
What a Safety Data Sheet tells you
Slump of fresh concrete is a field test primarily used to assess which property?
Adding water to a ready-mix truck on site after batching, without authorization and beyond the design water, will most likely:
In structural steel, what does the designation "W12×50" primarily indicate?
Metals
High-strength bolted connections for structural steel most commonly use which bolt type family under the RCSC/AISC system?
What is the primary purpose of metal decking used as a floor form in composite steel construction?
Cold-formed steel studs used in nonbearing partitions are typically designated by a code such as 362S162-43. What does the "43" commonly represent?
Welding symbols on structural drawings are standardized primarily by which organization?
Camber in a steel beam refers to which of the following?
Which ASTM C270 mortar type has the highest minimum compressive strength and is commonly used for below-grade or high-strength masonry?
Masonry
What is the nominal size of a standard 8-inch concrete masonry unit (CMU)?
A masonry wall 80 feet long is to have vertical control joints. If joints are spaced at a maximum of 20 feet on center, how many control joint locations are required along the wall (not counting ends as joints)?
What is the standard thickness of a typical mortar bed joint in brick and CMU construction?
Weep holes in masonry veneer walls are primarily provided to:
Grout used to fill reinforced CMU cells must be fluid enough to fill voids without segregation. What is a common field check related to grout consistency?
Running bond in masonry means which of the following?
How many standard modular bricks (nominal 8" length) are required for one course of a wall 32 feet long if head joints are included in the modular layout?
What is the standard on-center spacing for wood studs in most residential wall framing?
Carpentry
How many board feet are in twenty pieces of 2×10 lumber, each 12 feet long? (Board feet = thickness × width × length in feet ÷ 12, using nominal sizes.)
What is a header in wood wall framing?
What is the function of a jack (trimmer) stud at a rough opening?
Pressure-treated lumber is required for which of the following locations?
A roof has a pitch of 6:12. What is the approximate slope angle, and how much rise occurs over 8 feet of run?
What is the purpose of collar ties in a traditional rafter roof?
Rafter ties (or ceiling joists acting as ties) are primarily installed to resist which force?
What is the typical rough opening width allowance for a prehung interior door relative to the door slab width?
Loading more…