Which test measures concrete consistency?

Which test measures concrete consistency?

• A. Compression
• B. Slump
• C. Sand cone
• D. Air

Answer: (B)

The test focuses on how workable or flowable fresh concrete is, which is called its consistency. The slump test is designed to assess this by measuring how much the concrete subsides when the slump cone is removed. A higher slump means the mix is more workable and easier to place and finish; a lower slump means a stiffer mix that’s harder to work with. The other tests check different properties: compression tests the hardened strength, the sand cone assesses in-situ density/compaction, and the air test measures air void content. So the slump test is the one that measures consistency.

The test focuses on how workable or flowable fresh concrete is, which is called its consistency. The slump test is designed to assess this by measuring how much the concrete subsides when the slump cone is removed. A higher slump means the mix is more workable and easier to place and finish; a lower slump means a stiffer mix that’s harder to work with. The other tests check different properties: compression tests the hardened strength, the sand cone assesses in-situ density/compaction, and the air test measures air void content. So the slump test is the one that measures consistency.