Masonry ICC study Questions and Answers
Control joints are considered joints that will ..... shortening, shrinkage and/or reduction in the length of the wall.
A. Coordinate
B. Accommodate
C. Reduce
D. Control
Answer B. Accommodate
A standard hook can be a 180° turn plus an extension...
Control joints are considered joints that will ..... shortening, shrinkage and/or reduction
in the length of the wall.
A. Coordinate
B. Accommodate
C. Reduce
D. Control - answer B. Accommodate
A standard hook can be a 180° turn plus an extension of at least ..... bar diameters, but
not less than ..... inches at the free end of the bar
A. 4,2.25
B. 4,2.5
C. 2.2.75
D. 2,3 - answer B. 4bar diameters or 2.5 inches
The cleanout opening at the bottom of a masonry wall is a minimum of .....
A. 3 inches in any direction
B. 4 inches by 4 inches
C. 32 inches
D. 2 inches in any direction - answer A. 3" in any direction
The minimum length of saw-cut prisms shall be ..... inches
A. 8
B. 6
C. 4
D. 2 - answer C. 4 inches
Movements can occur from a number of sources, such as ....
A. Ground settlement
B. Material expansion and contraction
C. Seismic activity
D. All of the above - answer Answer D. All of the above
, The compressive strength of grout in concrete masonry construction is recommended to
be at least ..... to ..... times the design strength of the masonry assembly
A. 1.00 to 1.25
B. 1.25 to 1.33
C. 1.33 to 1.45
D. 1.45 to 1.60 - answer B 1.25 to 1.33
The minimum clearance required between reinforcing steel and the CMU in a grouted
cell using course grout is .....
A. 1 bar diameters
B. 1/4 inch
C. 1/2 inch
D. 1 inch - answer C. 1/2 inch
The maximum grout pour using the high lift grouting method for a clear cell area of 3
inches by 3 inches is .....
A. 5 feet
B. 8 feet using course grout
C. 12 feet
D. 24 feet using fine grout - answer D. 24 feet using fine grout
When the air temp is 25°F, requirements shall include .....
A. Heating the cement
B. Maintaining mortar on board above freezing
C. Heating sand above 120°F
D. Heating water above 120°F - answer B. Maintaining mortar temp
In a low lift grout pour, the grouting is stopped approximately ..... below the top of the
masonry unit.
A. 1/2 inch
B. 1 inch
C. 1-1/2 inches
D. 2 inches - answer C. 1-1/2 inches
For course grout, the maximum total aggregate measured in a damp loose condition
shall be ..... times the sum of the volume of the cementitious material.
A. 3
B. 3.25
C. 4.25
D. 5 - answer D. 5 times the sum
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