Masonry Exam 1 with answers |\ |\ |\ |\
The basic components of Masonry? - CORRECT ANSWERS
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✔✔Mortor, Grout, Masonry Units, Accessary Materials
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Two dimension sizes of masonry units? - CORRECT
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ANSWERS ✔✔16" long X 8" wide or 12" wide X 8" Tall
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Are solid unites 100% solid unless so specified? -
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CORRECT ANSWERS ✔✔No |\ |\
What percent solid do hollow masonry units vary from? -
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CORRECT ANSWERS ✔✔40%-75% solid |\ |\ |\
What is the specification code for masonry? - CORRECT
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ANSWERS ✔✔TMS 602 |\ |\
What is covered in the masonry specification? - CORRECT
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ANSWERS ✔✔Concrete masonry units |\ |\ |\
Clay or shale material
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Autoclaved aerated concrete masonry units |\ |\ |\ |\
Stone units |\
Glass units |\
,What is the main ASTM that engineers deal with most? -
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CORRECT ANSWERS ✔✔ASTM C90 |\ |\ |\
What does ASTM C90 reference? - CORRECT ANSWERS
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✔✔Specification for Loadbearing Concrete Masonry Units |\ |\ |\ |\ |\
Concrete units normally have a higher or lower void ratio
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than clay units? - CORRECT ANSWERS ✔✔Higher
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What ASTM are Visual and Serviceability Characteristics
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of Concrete Masonry Units addressed in? - CORRECT
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ANSWERS ✔✔ASTM C90 |\ |\
What is the maximum face shell and web thickness? -
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CORRECT ANSWERS ✔✔plus or minus 1/8"
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What does it mean when we want units to coarse? -
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CORRECT ANSWERS ✔✔We want the height of the wall to
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be divisible by 8" with no remainder
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What is the minimum compressive strength of concrete
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masonry units? - CORRECT ANSWERS ✔✔2000 psi
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, What is Mortor? - CORRECT ANSWERS ✔✔Bonding agent
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that holds the individual units.
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What is mortor composed of? - CORRECT ANSWERS
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✔✔Cementitious agents |\
Sand
Water
What ASTM is masonry mortor addressed in? - CORRECT
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ANSWERS ✔✔ASTM C270 |\ |\
Mortars with high cement content have what? - CORRECT
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ANSWERS ✔✔Higher compressive strength
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Mortars with high lime contents have what? - CORRECT
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ANSWERS ✔✔Better workability
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Higher water retention
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What happens to unhydrated lime in mortar over time? -
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CORRECT ANSWERS ✔✔It hydrates over time causing
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expansion and potential cracking in the mortar
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Who choses the mortar type related to the proportion of
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cement in mortar? - CORRECT ANSWERS ✔✔Designer
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The basic components of Masonry? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Mortor, Grout, Masonry Units, Accessary Materials
|\ |\ |\ |\ |\
Two dimension sizes of masonry units? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔16" long X 8" wide or 12" wide X 8" Tall
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Are solid unites 100% solid unless so specified? -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔No |\ |\
What percent solid do hollow masonry units vary from? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔40%-75% solid |\ |\ |\
What is the specification code for masonry? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔TMS 602 |\ |\
What is covered in the masonry specification? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Concrete masonry units |\ |\ |\
Clay or shale material
|\ |\ |\
Autoclaved aerated concrete masonry units |\ |\ |\ |\
Stone units |\
Glass units |\
,What is the main ASTM that engineers deal with most? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔ASTM C90 |\ |\ |\
What does ASTM C90 reference? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Specification for Loadbearing Concrete Masonry Units |\ |\ |\ |\ |\
Concrete units normally have a higher or lower void ratio
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
than clay units? - CORRECT ANSWERS ✔✔Higher
|\ |\ |\ |\ |\ |\
What ASTM are Visual and Serviceability Characteristics
|\ |\ |\ |\ |\ |\ |\
of Concrete Masonry Units addressed in? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔ASTM C90 |\ |\
What is the maximum face shell and web thickness? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔plus or minus 1/8"
|\ |\ |\ |\ |\
What does it mean when we want units to coarse? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔We want the height of the wall to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
be divisible by 8" with no remainder
|\ |\ |\ |\ |\ |\
What is the minimum compressive strength of concrete
|\ |\ |\ |\ |\ |\ |\ |\
masonry units? - CORRECT ANSWERS ✔✔2000 psi
|\ |\ |\ |\ |\ |\
, What is Mortor? - CORRECT ANSWERS ✔✔Bonding agent
|\ |\ |\ |\ |\ |\ |\ |\
that holds the individual units.
|\ |\ |\ |\
What is mortor composed of? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Cementitious agents |\
Sand
Water
What ASTM is masonry mortor addressed in? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔ASTM C270 |\ |\
Mortars with high cement content have what? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Higher compressive strength
|\ |\ |\
Mortars with high lime contents have what? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Better workability
|\ |\ |\
Higher water retention
|\ |\
What happens to unhydrated lime in mortar over time? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔It hydrates over time causing
|\ |\ |\ |\ |\ |\ |\
expansion and potential cracking in the mortar
|\ |\ |\ |\ |\ |\
Who choses the mortar type related to the proportion of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
cement in mortar? - CORRECT ANSWERS ✔✔Designer
|\ |\ |\ |\ |\ |\
