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Q: The specific gravity of structural granite when tested according to IS 1121 (part I): 1947, shall NOT be less than ______.
  • A. 2.8
  • B. 3.2
  • C. 2.6
  • D. 3.0
Correct Answer: Option C - According to IS 1122 : 1974 (Part-I) specific gravity of granite stone shall not be less than 2.6. According to IS 1121:1974 compressive strength of stone shall not be less than 1000 kg/cm².
C. According to IS 1122 : 1974 (Part-I) specific gravity of granite stone shall not be less than 2.6. According to IS 1121:1974 compressive strength of stone shall not be less than 1000 kg/cm².

Explanations:

According to IS 1122 : 1974 (Part-I) specific gravity of granite stone shall not be less than 2.6. According to IS 1121:1974 compressive strength of stone shall not be less than 1000 kg/cm².