Aci masonry Exam Questions &
Answers (Grade A+)
In ASTM C67, Standard Test Method for Sampling and Testing Brick
and Structural Clay Tile -
correct answer ✅Intent and use covers the field sampling and
specimen preparation proceduers for bricks and structural clay
Hollow unit -
correct answer ✅A masonry unit with greater than 25% voids
Solid units -
correct answer ✅A masonry unit with up to 25% voids
Scale -
correct answer ✅Scale used for determining weight of specimens
must have a capacity of at least 3000g with a sensitivity of at least
0.5
Oven -
correct answer ✅A ventilated oven that can maintain a
temperature of 221F to 239F is required for drying units prior to
testing
,Aci masonry Exam Questions &
Answers (Grade A+)
Who is responsible for selecting the units sampled -
correct answer ✅The purchaser or purchaser authorized
representatives
Of the selected units for sampling it must be what -
correct answer ✅Units must be full sized bricks, structural clay
tiles, or solid clay masonry units and must be a representative of
the selected sample lot
After units have been selected what must be done -
correct answer ✅Brush them to remove dirt mud mortar or other
foreign materials if necessary prior to weighing
What type of brush can you use in bricks -
correct answer ✅Brushes must have either plastic or horsehair
bristles; wire brushes aren't allowed
Specimens that have foreign materials that can't be removed with a
standard brush must -
correct answer ✅Be disregarded
, Aci masonry Exam Questions &
Answers (Grade A+)
Sampling for rupture, compressive strength, abrasion resistance,
and absorption testing -
correct answer ✅Sample at least 10 individual bricks for a lot of 1
million for larger than 1 million sample additional 5 bricks for every
5 hundred thousand
Sampling for compressive strength, absorption, and weight
determination of structural clay tile -
correct answer ✅Sample at least 5 tiles from each lot of 250 tons
or fraction there of. Lots larger than 250 tons sample 5 additional
tiles for each additional 500 tons. Just minimums
What must be done once sampling is finished -
correct answer ✅Must be marked for identification. Identification
marks cannot cover more than 5% of the surface area of the
specimen
All units must what -
correct answer ✅All the units sampled for testing must be dried
and cooled prior to testing
Answers (Grade A+)
In ASTM C67, Standard Test Method for Sampling and Testing Brick
and Structural Clay Tile -
correct answer ✅Intent and use covers the field sampling and
specimen preparation proceduers for bricks and structural clay
Hollow unit -
correct answer ✅A masonry unit with greater than 25% voids
Solid units -
correct answer ✅A masonry unit with up to 25% voids
Scale -
correct answer ✅Scale used for determining weight of specimens
must have a capacity of at least 3000g with a sensitivity of at least
0.5
Oven -
correct answer ✅A ventilated oven that can maintain a
temperature of 221F to 239F is required for drying units prior to
testing
,Aci masonry Exam Questions &
Answers (Grade A+)
Who is responsible for selecting the units sampled -
correct answer ✅The purchaser or purchaser authorized
representatives
Of the selected units for sampling it must be what -
correct answer ✅Units must be full sized bricks, structural clay
tiles, or solid clay masonry units and must be a representative of
the selected sample lot
After units have been selected what must be done -
correct answer ✅Brush them to remove dirt mud mortar or other
foreign materials if necessary prior to weighing
What type of brush can you use in bricks -
correct answer ✅Brushes must have either plastic or horsehair
bristles; wire brushes aren't allowed
Specimens that have foreign materials that can't be removed with a
standard brush must -
correct answer ✅Be disregarded
, Aci masonry Exam Questions &
Answers (Grade A+)
Sampling for rupture, compressive strength, abrasion resistance,
and absorption testing -
correct answer ✅Sample at least 10 individual bricks for a lot of 1
million for larger than 1 million sample additional 5 bricks for every
5 hundred thousand
Sampling for compressive strength, absorption, and weight
determination of structural clay tile -
correct answer ✅Sample at least 5 tiles from each lot of 250 tons
or fraction there of. Lots larger than 250 tons sample 5 additional
tiles for each additional 500 tons. Just minimums
What must be done once sampling is finished -
correct answer ✅Must be marked for identification. Identification
marks cannot cover more than 5% of the surface area of the
specimen
All units must what -
correct answer ✅All the units sampled for testing must be dried
and cooled prior to testing