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Q: The ratio of compressive strength of material saturated with water to that in dry state is known as:
  • A. Coefficient of hardness
  • B. Coefficient of Compressibility
  • C. Coefficient of thixotropy
  • D. Coefficient of softening
Correct Answer: Option D - The ratio of compressive strength of material saturated with water to that in dry state is known as coefficient of softening and describes the water resistance of materials. For materials like clay which soak rapidly it is zero, whereas for material like glass and metals it is one. • Materials with coefficient of softening less than 0.8 should not be recommended in the situations permanently exposed to the action of moisture.
D. The ratio of compressive strength of material saturated with water to that in dry state is known as coefficient of softening and describes the water resistance of materials. For materials like clay which soak rapidly it is zero, whereas for material like glass and metals it is one. • Materials with coefficient of softening less than 0.8 should not be recommended in the situations permanently exposed to the action of moisture.

Explanations:

The ratio of compressive strength of material saturated with water to that in dry state is known as coefficient of softening and describes the water resistance of materials. For materials like clay which soak rapidly it is zero, whereas for material like glass and metals it is one. • Materials with coefficient of softening less than 0.8 should not be recommended in the situations permanently exposed to the action of moisture.