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State whether the following is true or false.
Different countries may specify cement in ways that are not directly comparable.

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

Answer: D

Indian grades, European classes and American types each use their own definitions and test methods. Comparing them requires care, since a nominally similar figure may have been obtained differently. Direct substitution between systems is rarely safe without checking.

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