Concrete

Which of the following is not a part of the concrete mixture?

• Portland Cement
• Aggregates
• Air
• Water

Portland cement is made by grinding this stone into a fine powder

• Granite
• Sandstone
• Lava Rock
• Limestone

Which of the following is not a common aggregate that we talked about?

• Sand
• Limestone
• Gravel
• Crushed Stone

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 the same unit
• Divide by cubic inch or feet
• Take the measrements

What is the point of tamping concrete?

• To smooth it out
• Move the aggregates to the top
• Keep cement from cracking
• Move the aggregates to the bottom

What does the word "set" mean when referring to concrete?

• Dry
• Smooth
• Straight/Square
• Tamping

This is used to smooth the surface of concrete before it drys

• Edger
• Pointing Trowl
• Tamp
• Finishing Trowl

• Edger
• Float
• Tamp
• Agregate