concrete basics

When ... is added to cement, it begins to cure.

• water

• powder

• concrete

• reinforcement

Gravel is ...

• fine aggregate
• coarse aggregate
• plasticizer
• retarder

Sand is ...

• fine aggregate
• coarse aggregate
• reinforcement
• additive

Reinforced concrete ...

• is weak
• contains steel bars
• has timber in it
• is cast in-sity

Select the binding agent used in a concrete mix.

• Aggregates

• Water

• Cement

• Lime

Concrete is sold by the _______

• cubic inch
• cubic foot
• cubic yard
• cubic meter

First step when calculating the amount of concrete you need is?

• multiply them together
• Convert them into the same unit
• divide by cubic inch or foot
• Taking the measurements

What is the second step when calculating how much concrete you need?

• Multiply them together

• Convert them into feet

• Divide by cubic inch or feet

• Take the measrements

What is the third step in calculating concrete?

• Multiply Height x Weight x Thickness

• Multiply Length x Size x Dimension

• Multiply Thickness x Length x Width

• Divide feet by yards

What is the final step in calculating cubic yards of concrete?

• multiply by 27

• multiply by 9

• divide by 9

• divide by 27