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Good quality cement should not feel gritty; grittiness indicates coarser particles or impurities.
Setting refers to the process where cement/lime stiffens and hardens due to hydration.
The standard cement bag in India weighs 50 kilograms.
A 50 kg bag of cement has an approximate volume of 35 litres.
Admixtures like accelerators, plasticizers, and air-entraining agents are added to improve concrete workability, strength, or setting time.
Soundness indicates that cement does not undergo excessive expansion or shrinkage during setting, preventing structural issues.
Fineness refers to the size of cement particles, affecting the rate of hydration and strength development.
Normal consistency refers to the water content at which cement paste can be molded without bleeding or segregation.
Vicat apparatus helps determine normal consistency and setting times of cement as per standard procedures.
Lime is derived from natural calcium sources and has been used for centuries in masonry and construction.