28203

When tested for consistency, mixed grout should have a slump of ____.

• 5 to 8 inches

• 8 to 11 inches

• 11 to 14 inches

• 2 to 5 inches

The major difference between fine and coarse grout is the ____.

• amount of water used

• aggregate used

• proportion of cement to lime

• consistency of the grout

The standard specification for grout used in masonry is ASTM ____.

• C427

• C489

• C404

• C476

Retarders, accelerators, and superplasticizers are all types of grout ____.

• enhancements

• admixtures

• supplements

• additives

Masonry materials absorb water from grout, increasing the grout’s ____.

• curing time

• strength

• tensile strength

• fluidity

Slow hydration of the grout is promoted by ____.

• the ambient temperature

• the water absorbed by the masonry

• the percentage of cement in the mix

• 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" x 3" cavities in hollow units would be ____.

• 24 inches

• 24 feet

• 12 inches

• 12 feet

Fine grout is typically used to fill cavities that are smaller than ____.

• 2 inches

• 3 inches

• 4 inches

• 5 inches

Grout must be continually agitated after mixing to keep it from ____.

• segregating

• solidifying

• stiffening

• stratifying

Premixed grout is usually placed ____.

• by the wheelbarrow load

• using a screw-type conveyor

• using a pump hopper

• directly from the truck mixer