M&M I Concrete and Masonry Test
Solved 2024
_____ _____ Is the horizontal reinforcement in a masonry wall. - ANSWER-Joint
reinforcement
_____ is the minimum coverage for reinforcing steel used in concrete when exposed to
weather. - ANSWER-1-1/2"
"Board and Batten" is: - ANSWER-a type of concrete finish
A _____ _____ is the opening in a masonry wall above flashing that allows water vapor
to evaporate. - ANSWER-weep hole
A _______ would be found at the crown of an arch above an opening in a masonry wall:
- ANSWER-Keystone
A "bat" or "soap" is a type of insert used in the form to separate precast concrete
pieces. - ANSWER-False ("bat and "soap" are types of job cut brick shapes)
A "harsh" mix is appropriate for slabs pavements etc. However, a "cohesive" mix is
needed in reinforced concrete applications. - ANSWER-True
A "high chair" is a temporary support for concrete during curing. - ANSWER-False
A "ladder" type tie is often placed at 1'-4"/16" o.c. intervals horizontally in a masonry
wall. - ANSWER-True
A bond beam may typically include: - ANSWER-embedded anchor bolts and horizontal
steel reinforcing
A composite masonry load-bearing wall can be both reinforced and non-reinforced. -
ANSWER-True
A corrugated galvanized tie (anchor) is used in commercial high-rise construction -
ANSWER-False (corrugated ties are better for small-story, residential construction)
A load-bearing masonry column is a masonry shell filled with concrete and reinforcing
AND it has similar load bearing characteristics to a concrete column. - ANSWER-True
A reglet is typically used with spandrel flashing and parapet wall flashing. Wall cap or
coping flashing is often corrugated for additional bonding strength. - ANSWER-True
, A tremi is used to place concrete in severely cold areas and is kept fully immersed in
concrete during the pour. - ANSWER-False (it is used to place concrete underwater)
A trial batch of concrete would include all of the following:
sand, water, air entraining agent, slump height, coarse aggregate and portland cement -
ANSWER-True
A typical steel angle size used as a lintel above an opening in a brick wall is 5/16" x 3-
1/2" by 3-1/2" - ANSWER-True
A water table is the cap of stone on top of a brick wall. - ANSWER-False (a water table
is a projection on lower portions of masonry that deflects water from the foundation)
Brick grades are typically chosen based on their capacity and ability to resist
weathering. - ANSWER-True
Bricks may be cored, hollow, or frogged AND the most commonly used mortar joint
thickness is 3/8" - ANSWER-True
CMU stands for concrete masonry unit, which is typically hollow and made in 4", 6", 8",
10" and 12" sizes - ANSWER-True
Color variations in a masonry wall are often created using percentages of different color
bricks. - ANSWER-True
Common, American, stack, Flemish, running and English bonds are all typical bonds
used in brick masonry construction. - ANSWER-True
Concrete bearing capacity is typically ___ in compression and ____ in tension. -
ANSWER-High; low
Concrete can meet sustainability requirements because of the reuse of this material in
concrete production: - ANSWER-Fly ash
Concrete curing affects the rate of hydration. Hydration is the chemical reaction
between cement and water. Hydration continues beyond the 28 days normally required
for concrete to reach its ultimate strength. - ANSWER-True
Concrete MUST possess the following characteristics: strength, durability, workability. -
ANSWER-True
Concrete reaches its minimum required compressive strength (ultimate strength) in 28
days. - ANSWER-True
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