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Light weight cement content for compressive strength 4000 psi is _______ pounds per cubic yard.

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Light weight cement content for compressive strength 4000 psi is _______ pounds per cubic yard.

(a) 740-840

(b) 440-560

(c) 530-660

(d) 630-750

This question was addressed to me in an internship interview.

This intriguing question originated from Structural Light Weight Concrete in division Special Concrete and Concreting Methods of Concrete Technology

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Right option is (c) 530-660

Best explanation: Light weight cement content for compressive strength 4000 psi is 530-660 pounds per cubic yard and 400-510 is for compressive strength 2500 psi.

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