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Consider the following statements: Pozzolana used as an admixture in concrete has the following advantages: 1. It improves workability with lesser amount of water. 2. It increases heat of hydration and so sets the concrete quickly. 3. It increases resistance to attack by salts and sulphates. 4. It leaches calcium hydroxide. Select the correct answer using the codes given below: (a) 1, 2, 3 and 4 (c) 1 and 3 (b) 1, 2 and 4 (d) 2,3 and 4

Consider the following statements: Pozzolana used as an admixture in concrete has the following advantages: 1. It improves workability with lesser amount of water. 2. It increases heat of hydration and so sets the concrete quickly. 3. It increases resistance to attack by salts and sulphates. 4. It leaches calcium hydroxide. Select the correct answer using the codes given below: (a) 1, 2, 3 and 4 (c) 1 and 3 (b) 1, 2 and 4 (d) 2,3 and 4

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Consider the following statements: Pozzolana used as an admixture in concrete has the following advantages: 1. It improves workability with lesser amount of water. 2. It increases heat of hydration and so sets the concrete quickly. 3. It increases resistance to attack by salts and sulphates. 4. It leaches calcium hydroxide. Select the correct answer using the codes given below: (a) 1, 2, 3 and 4 (c) 1 and 3 (b) 1, 2 and 4 (d) 2, 3 and 4
Transcribed Image Text:Consider the following statements: Pozzolana used as an admixture in concrete has the following advantages: 1. It improves workability with lesser amount of water. 2. It increases heat of hydration and so sets the concrete quickly. 3. It increases resistance to attack by salts and sulphates. 4. It leaches calcium hydroxide. Select the correct answer using the codes given below: (a) 1, 2, 3 and 4 (c) 1 and 3 (b) 1, 2 and 4 (d) 2, 3 and 4
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