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State whether the following is true or false.
Rapid hardening cement sets faster than ordinary Portland cement.

  • A.False only at small scales
  • B.True
  • C.False
  • D.True only at large scales

Answer: C

It hardens faster, gaining strength more quickly, but its setting time is much the same. Setting and hardening are distinct processes and the name refers only to the second. A rapid hardening cement still allows normal time for placing.

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