WorksheetsM2 Module 3 Test
Total questions: 25
Worksheet time: 25mins
When tested for consistency, mixed grout should have a slump of _____.
a. 5 to 8 inches
b. 8 to 11 inches
c. 11 to 14 inches
d. 2 to 5 inches
The major difference between fine and coarse grout is the _____.
a. amount of water used
b. aggregate used
c. proportion of cement to lime
d. consistency of the grout
The standard specification for grout used in masonry is ASTM _____.
a. C427
b. C489
c. C404
d. C476
Retarders, accelerators, and superplasticizers are all types of grout _____.
a. enhancements
b. admixtures
c. supplements
d. additives
Masonry materials absorb water from grout, increasing the grout's _____.
a. curing time
b. strength
c. tensile strength
d. fluidity
Slow hydration of the grout is promoted by _____.
a. the ambient temperature
b. the water absorbed by the masonry
c. the percentage of cement in the mix
d. the percentage of lime in the mix
As shown in the figure above, the maximum grout pour height for a coarse grout used to fill 3" × 3" cavities
in hollow units would be _____.
a. 24 inches
b. 24 feet
c. 12 inches
d. 12 feet
Fine grout is typically used to fill cavities that are smaller than _____.
a. 2 inches
b. 3 inches
c. 4 inches
d. 5 inches
Grout must be continually agitated after mixing to keep it from _____.
a. segregating
b. solidifying
c. stiffening
d. stratifying
Premixed grout is usually placed _____.
a. by the wheelbarrow load
b. using a screw-type conveyor
c. using a pump hopper
d. directly from the truck mixer
A masonry wall will have to be rebuilt if blowout causes buckling even as little as _____.
a. 3/4 inch
b. 1/4 inch
c. 1/8 inch
d. 1/2 inch
High-lift grouting fills a space with a height greater than _____.
a. 7 feet
b. 11 feet
c. 5 feet
d. 9 feet
When using low-lift grouting techniques, before adding a new lift the mortar should be allowed to harden
for _____.
a. three hours
b. 48 hours
c. 12 hours
d. 24 hours
To form a key for the next lift, grout should be _____.
a. filled to two-thirds the cavity depth
b. filled to the top of the cavity
c. placed only in every other cavity
d. filled to no closer than 1 inch below the top of the cavity
The type of cleanout opening in the figure above is described as _____.
a. spaced
b. base course
c. intermittent
d. continuous
To prevent grout from leaking through a head joint, use a _____.
a. shoved joint
b. rammed joint
c. butted joint
d. squeezed joint
To eliminate air voids, grout should be _____.
a. stirred
b. vibrated
c. very thick in consistency
d. placed very slowly
Ridges formed on steel rebar to increase the surface area for bonding are called _____.
a. extrusions
b. expanders
c. deformations
d. grout ridges
The diameter of a size 8 rebar is _____.
a. 3/16 inch
b. 3/4 inch
c. 1 inch
d. 5/8 inch
For increased corrosion resistance, rebar may be coated with _____.
a. plastic
b. electrolyte
c. polyurethane varnish
d. oil
A powered rebar cutter can be used to cut rebar up to size _____.
a. 4
b. 5
c. 6
d. 7
The type of wire tie shown in the figure above is called a _____.
a. wrap-and-snap tie
b. figure-eight tie
c. saddle tie
d. snap tie
One or more bond beams may be used in an otherwise unreinforced wall to add _____.
a. compressive strength
b. lateral strength
c. shear strength
d. tensile strength
A precast lintel installed in a brick wall must have a minimum bearing surface on each end of _____.
a. 4 inches
b. 8 inches
c. 5 inches
d. 6 inches
Codes require that a column's height must be _____.
a. greater than five times its thickness
b. greater than four times its thickness
c. greater than three times its thickness
d. greater than twice its thickness
