AL Concrete Practice Questions - Alabama Concrete Contractor Examination Exam

When pumping concrete, which practice helps reduce blockage and segregation?

Using a harsh, gap-graded mix with no paste Using a pumpable, well-graded mix with adequate paste and proper line priming Running the pump dry between every truck Maximum free fall of 50 ft into the hopper with no reduction

Correct Answer:

Using a pumpable, well-graded mix with adequate paste and proper line priming

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