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The consistency of standard paste, used as the basis for several tests, is the water content at which

  • A.a Vicat plunger penetrates to a specified depth
  • B.the paste just begins to flow under its own weight
  • C.the cement and water are mixed in equal masses
  • D.the paste reaches its maximum possible strength

Answer: A

Establishing this reference water content first means that setting time and soundness are compared on pastes of equivalent stiffness. Without it the results would depend as much on how much water was added as on the cement itself.

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