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A slip is 65 per cent solids by mass. How much dry material is in 500 kg of slip, and how much water?

  • A.350 kg solids and 150 kg water
  • B.175 kg solids and 325 kg water
  • C.500 kg solids and no water
  • D.325 kg solids and 175 kg water

Answer: D

Sixty-five per cent of 500 kilograms is 325 of solids, leaving 175 of water. Slip solids content is quoted by mass unless stated otherwise, and the distinction from volume matters a great deal. A volume basis would give a quite different figure for the same slip.

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