Ag Mech 2: 7.00 Review

1. Workability refers to

• Thoroughly mixing all ingredients
• Ease with which concrete can be placed and shaped
• How many hours a week an employee works
• consistency or wetness of the mixture

2. Uniformity is a term used to refer to what?

• Thoroughly mixing all ingredients
• Consistency or wetness of the mixture
• Ease with which concrete can be placed and shaped
• The clothes the workers wear

3. Slump is a term used when referring to what?

• The workers backs
• Ease with which concrete can be placed and shaped
• Thoroughly mixing all ingredients
• Consistency or wetness of the mixture

4. How much does 1 cubic foot of concrete weigh?

• 100-110
• 150-160
• 180-200
• 200-240

5. What tool is used to provide a rough finish?

• Steel Trowel
• Broom
• Bull Float
• Shovel

6. How many cubic feet are in a cubic yard?

• 20
• 27
• 37
• 15

7. What tool is used to provide a smooth finish?

• Burlap sack
• Broom
• Tamp
• Steel trowel

8. Using 1-2-3 method, how many shovels of concrete mix would be needed with 15 shovels of large aggregates?

• 4
• 5
• 15
• 20

9. Using 1-2-3 method, how many shovels of concrete mix would be needed with 8 shovels of small aggregates?

• 4
• 6
• 8
• 10

10. How many cubic yards of concrete is needed for a path 200’ long, 10’ wide, 4”thick?

• 9.65
• 24.69
• 12.86
• 18.52