Q. What is the permissible limits for construction of sulphates in water?

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Q. There is necessary to minimize the use of salt water in RCC.

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Q. Presence of acid, alkali ___________

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Q. What is the maximum limit (ppm) for chlorides in water?

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Q. What is the maximum limit (ppm) for SO₃ in water?

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Q. What is the maximum limit (ppm) for turbidity in water?

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Q. What is the maximum limit (ppm) for Alkali Carbonates and Bicarbonates in the water?

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Q. What do you mean by admixtures?

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Q. Which of the following statement is incorrect about the function of admixtures?

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Q. Which of the following statement is incorrect about the function of admixtures?

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Q. Which of the following option doesn’t come in chemical admixtures?

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Q. Classification of admixtures are classified into ________ types.

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Q. Which of the following option doesn’t come in mineral admixtures?

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Q. Admixtures which cause early setting, and hardening of concrete are called __________

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Q. Mid-range water reducers result in at least _________ %.

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Q. What is the main function of set retarders?

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Q. Super plasticizers reduce water requirement by ___________ %.

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Q. Damp proofing is done with a __________ based mixture.

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Q. Damp proofing __________ the process of water absorption.

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Q. Damp proofing is cheaper in the beginning, but leads to more expensive problems later on.

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