What is water proofing admixtures?

Related MCQs

• What do you mean by admixtures?
• The admixtures are added in concrete to
• Damp proofing is done with a __________ based mixture.
• Total…….. % of water by weight of water by weight of cement is required for complete hydration.
• If L1=Measurement taken after 24 hours of immersion in water at a temp. of 27 ± 20oC and L2=Measurement taken after 3 hours of immersion in water at boiling temperature. Then what is soundness of cement?
• The separation of water or water-cement mixture from the freshly mixed concrete is known as bleeding.
• To perform the soundness test, the water is added to the cement at the rate of 0.72 P by weight of cement, where P is the percentage of water required for normal consistency paste.
• If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose water-cement ratio is 0.6, the weight of water required for harsh mix is
• Hydration of cement is due to chemical action of water with
• For compressive strength test of cement ………. water is added.