CAO)(62 – 65%)Controls STRENGTH and soundnessMakes the cement unsound and it expands and disintegrateSilica(SiO2)(17 - 25 %) Adds strength to cement, as it forms C2S and C3SCauses slow setting of cementAlumina(Al2O3)(3 - 8 %)Provides QUICK setting of cement and lowers the clinkering tempLowers the strengthIron oxide(3 - 4 %)Provides color, hardness , strength and helps in fusion of raw material Magnesia(1 - 3 %)Provides hardness and color Decreases shrinkageMakes the cement unsoundAlkalies(0.2 - 1 %)Should be in limitAlkali aggregate reactionEfflorescence and staining

"> CAO)(62 – 65%)Controls STRENGTH and soundnessMakes the cement unsound and it expands and disintegrateSilica(SiO2)(17 - 25 %) Adds strength to cement, as it forms C2S and C3SCauses slow setting of cementAlumina(Al2O3)(3 - 8 %)Provides QUICK setting of cement and lowers the clinkering tempLowers the strengthIron oxide(3 - 4 %)Provides color, hardness , strength and helps in fusion of raw material Magnesia(1 - 3 %)Provides hardness and color Decreases shrinkageMakes the cement unsoundAlkalies(0.2 - 1 %)Should be in limitAlkali aggregate reactionEfflorescence and staining

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Which one of the following compounds is responsible for quick setting of cement?

Current Affairs General Awareness in Current Affairs 8 months ago

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The following table shows the composition of cement and their properties.IngredientsWithin limitIf in excessLime(CAO)(62 – 65%)Controls STRENGTH and soundnessMakes the cement unsound and it expands and disintegrateSilica(SiO2)(17 - 25 %) Adds strength to cement, as it forms C2S and C3SCauses slow setting of cementAlumina(Al2O3)(3 - 8 %)Provides QUICK setting of cement and lowers the clinkering tempLowers the strengthIron oxide(3 - 4 %)Provides color, hardness , strength and helps in fusion of raw material Magnesia(1 - 3 %)Provides hardness and color Decreases shrinkageMakes the cement unsoundAlkalies(0.2 - 1 %)Should be in limitAlkali aggregate reactionEfflorescence and staining

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Posted on 21 Nov 2024, this text provides information on Current Affairs related to General Awareness in Current Affairs. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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