Concrete Test Practice

Bringing the fine aggregate (sand) to the surface

• Screeding

• Floating

• Looping

• Separating

Particles of larger stone and sand that make up a part of concrete.

• Aggregate
• Cement

• Concrete

• Rocks

Three-digit expression for mixing concrete ingredients. Ex. 1-2-3

Mixture of stone/sand aggregates, Portland Cement, and water that hardens as it dries

Moving a 2”x4” back and forth to remove excess concrete and fill in low spots

• Floating

• Screeding

• Curing

• Tamping

The process of settling the rocks at the bottom of your concrete slab

• Screeding

• Tamping

• Floating

• Hammering

The amount of time from pour till it reaches your desired strength

• Curing

• Drying

• Settling

• Finishing

1 cubic yard is equal to 27 cubic inches.

• True

• False

Portland cement is a dry powder made by burning limestone and clay then grinding and mixing to an even consistency.

• True

• False

Concrete takes hours to set but takes 28 days to be cured.

• True

• False