Ag Mech 2 7.00

Front

What are the three main ingredients needed to make concrete?

Back

Cement, sand, and gravel.

Front

What is the purpose of rebar in concrete construction?

Back

Rebar is used to reinforce concrete, providing tensile strength and preventing cracking.

Front

What material can be used to prevent cracking in concrete?

Back

Fiberglass mesh is used to prevent cracking in concrete.

Front

What is the role of sand in concrete mixing?

Back

Sand acts as a fine aggregate that helps bind the concrete together.

Front

If a concrete project requires 7.3 cubic yards of concrete, how many cubic yards should be purchased?

Back

8 cubic yards, as concrete is sold in whole cubic yards.

Front

What is the typical ratio of cement, sand, and gravel in a concrete mix?

Back

A common ratio is 1 part cement, 2 parts sand, and 3 parts gravel.

Front

What is the function of gravel in concrete?

Back

Gravel serves as a coarse aggregate that provides strength and stability to the concrete.

Front

What is the significance of curing concrete?

Back

Curing is essential for maintaining moisture in the concrete, allowing it to gain strength and durability.

Front

What is the difference between concrete and cement?

Back

Cement is a component of concrete; concrete is a mixture of cement, water, sand, and gravel.

Front

What is the purpose of using a wheelbarrow in concrete mixing?

Back

A wheelbarrow is used to transport materials like gravel and sand to the mixing site.