The Ultimate Concrete Mix Quiz

10% air and water, 20% cement, 30% gravel, 40% sand

10% gravel, 20% sand, 30% cement, 40% air and water

10% cement, 20% air and water, 30% sand, 40% gravel (correct)

10% sand, 20% gravel, 30% air and water, 40% cement

The mixture must contain a high percentage of groundwater

The mixture must be exposed to sunlight for a specific duration

The mixture must be kept as dry as possible (correct)

The mixture must be constantly stirred while preparing

Mud mixed with sand

Clay mixed with water

Mud mixed with straw (correct)

Mud mixed with cement

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