PSI Practice Exam Questions Latest Update 2025-2026 Exam 80 Questions with 100% Verified Correct Answers Guaranteed A+
A concrete block foundation wall that is adequately braced should be cured for a
MINIMUM of how much time before backfilling? - CORRECT ANSWER: 48 hours
A concrete masonry foundation wall extends below grade and will require parge coating using Portland cement mortar. What is the minimum allowable thickness? - CORRECT
ANSWER: 3/8"
A contractor should do all of the following when estimating a project EXCEPT -
CORRECT ANSWER: assume ideal conditions.
A driveway rises 18 feet in a horizontal distance of 190 feet. What is the percent grade?
- CORRECT ANSWER: 9%
A foundation drain shall extend past the outside edge of the footing at least how far? -
CORRECT ANSWER: 12 inches`
A MINIMUM of how many fasteners are REQUIRED for clay perimeter roof tiles? -
CORRECT ANSWER: 1 per tile
A topographic map is being used to determine cut and fill requirements. The contour interval is 2 feet. Across a distance of 200 feet there are 10 contours. What is the slope of the grade? - CORRECT ANSWER: 10:1
Air-entrained concrete MUST NOT be used for - CORRECT ANSWER: interior slabs on
grade
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Before excavating for a new building, how should subsoil conditions be determined? -
CORRECT ANSWER: conducting test borings
Bolts used for anchoring a wood sole plate at an exterior wall on a monolithic slab
MUST extend a MINIMUM of how many inches into concrete? - CORRECT ANSWER: 7
inches
Costs that relate to construction but are not directly associated with labor and materials for a specific project are considered to be which of the following? - CORRECT
ANSWER: project overhead
Debris materials that are dropped more than 20 feet to a container outside a structure
must be which of the following? - CORRECT ANSWER: dropped through a chute
Equipment needs for a project are best estimated by which of the following? -
CORRECT ANSWER: calculating the number of hours or days it is needed
For multiple-wythe masonry, what is the MINIMUM thickness of grout between masonry
units and reinforcement? - CORRECT ANSWER: 1/4 inch
How long will it take to excavate a trench that is 8 foot deep by 4 feet wide by 100 feet long? The hourly production rate is 40 BCY and the operator has average ability with an
efficiency factor of 75%. - CORRECT ANSWER: 4 hrs
How many inches should there be between a handrail and an adjacent wall? -
CORRECT ANSWER: 1.5"
How many sheets of 4' x 8' x 1/2" drywall are needed for a room 10' x 15' with an 8-foot
ceiling? - CORRECT ANSWER: 18 sheets
How MUST rafters be framed to each other? - CORRECT ANSWER: Gusset Plate
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