Portland cement is made from limestone and clay.

Concrete is fire resistant.

Digging too deeply will require backfilling, which will be less stable.

Compression strength is the ability to withstand heavy weights before it is distorted.

The tensile strength of concrete is higher than its compression strength.

Bleed water is the water that rises to the surface of the concrete as it cures.

You should do the final finish on the concrete while the bleed water is still present.

Floor scrapers are nice to use for cleaning the concrete forms of leftover material.

Strengthening of concrete may continue for months or even years.

Concrete applications include all the following except...

All of the following are characteristics of concrete except...

Concrete and Cement are the same thing and can be used interchangeably in our vocabulary.

Concrete is made out of Portland cement, aggregates, and water.

Is hydration when water mixes with Portland cement an exothermic or endothermic chemical reaction?

What is not a common aggregate in concrete?

• Slump is the measure of the consistency of fresh concrete as determined by a slump test. The test measures amount that “slumps down” when the slump cone is removed.

Site Preparation is very important in terms of concrete and other masonry work.

• When estimating materials, consider...

To improve Tensile strength of concrete, what can be added?