Masonry Review - AG Mech 1

Concrete is difficult to make with local building materials.

• True

• False

Portland cement is made from limestone and clay.

• True

• False

Concrete is fire resistant.

• True

• False

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

• True

• False

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

• True

• False

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

• True

• False

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

• True

• False

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

• True

• False

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

• True

• False

Strengthening of concrete may continue for months or even years.

• True

• False