How many layers of concrete are needed to fill a slump cone?

How many layers of concrete are needed to fill a slump cone? Correct Answer 3 equal layers by volume

3 equal layers by volume are placed. Fill the mold to a height of 12 inches in the shape of a frustum of a cone with a bottom diameter of 8 inches and a top diameter of 4 inches. Then, instead of filling it in three equal levels by height, fill it in three equal layers by volume.
Bissoy MCQ

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