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Q: Which of the following lime is perfectly white, contains 95% of calcium oxide and when water is added, it slakes vigorously and its volume increases 2-2.5 times?
  • A. Fat Lime
  • B. Hydraulic Lime
  • C. Pozzolanic Lime
  • D. Poor Lime MH PWD JE 15/12/2023 Shift-II
Correct Answer: Option A - Fat lime– • It is also known as rich, fat, common, high calcium, air or pure lime. • It is so called (fat lime) as it slakes vigorously and its volume is increased to about 2 to 2.5 times the volume of quick lime. • It is prepared by calculating comparatively pure carbonate of lime which contains about 95% of calcium oxide.
A. Fat lime– • It is also known as rich, fat, common, high calcium, air or pure lime. • It is so called (fat lime) as it slakes vigorously and its volume is increased to about 2 to 2.5 times the volume of quick lime. • It is prepared by calculating comparatively pure carbonate of lime which contains about 95% of calcium oxide.

Explanations:

Fat lime– • It is also known as rich, fat, common, high calcium, air or pure lime. • It is so called (fat lime) as it slakes vigorously and its volume is increased to about 2 to 2.5 times the volume of quick lime. • It is prepared by calculating comparatively pure carbonate of lime which contains about 95% of calcium oxide.