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Q: A good building stone should not absorb water more than
  • A. 5%
  • B. 10%
  • C. 15%
  • D. 20%
Correct Answer: Option A - Characteristics of good building stone are– • Compressive strength > 1000 kg/cm². • High durability and co-efficient of hardness > 14. • Specific gravity > 2.7 • Toughness index > 13 • Water absorption < 5%
A. Characteristics of good building stone are– • Compressive strength > 1000 kg/cm². • High durability and co-efficient of hardness > 14. • Specific gravity > 2.7 • Toughness index > 13 • Water absorption < 5%

Explanations:

Characteristics of good building stone are– • Compressive strength > 1000 kg/cm². • High durability and co-efficient of hardness > 14. • Specific gravity > 2.7 • Toughness index > 13 • Water absorption < 5%