CON 252 MASONRY QUESTION AND ANSWERS ALREADY PASSED 2025/2026

CON 252 MASONRY QUESTION AND
ANSWERS ALREADY PASSED
2025/2026
3 Masonry Wall types - correct answer ✔-Solid brick (various wythes)

-Brick+block (cavity wall)

-Brick Veneer (wood,steel frame)



What is Mortar made of? - correct answer ✔-Portland Cement

-Hydrated Lime(stone)

-Aggregate (Sand)

-Water

-Admixtures

(No course rock)



Primary masonry uses - correct answer ✔-Concrete Masonry Units: foundation walls, structural support
walls (low rise), and backup walls for exterior facing

-Brick: facing materials-veneer, decorative walls



4 MAIN TYPES of MORTAR: - correct answer ✔M - 2500 psi

S - 1800 psi

N - 750 psi

O - 350 psi



What is the most commonly used type of mortar? - correct answer ✔N - 750 psi

, How are mortar types defined? - correct answer ✔by minimum strength and other properties
demonstrated through laboratory testing for the proposed mix



Mortar Functions - correct answer ✔-Provides for full bearing

-Seals between masonry units

-Adheres and bonds the masonry units together

-Aesthetics



What is the term used for a horizontal layer of bricks? - correct answer ✔course



What is the term used for a bunch of courses in a row? - correct answer ✔wythe



Hollow Concrete Block (6 points) - correct answer ✔-Most common CMU

-Sizes- 8" module

-Placement cost

-Reinforcing

-Uses and finishes

-Moisture penetration



Why do you put construction joints in masonry? - correct answer ✔because like concrete; masonry will
expand and contract.



Unique features of masonry - correct answer ✔-Fire Resistance

-Size

-Durability

-Strength Depends on: