Consider the following statements :1. Tests on cement paste to determine initial and final setting times are done at normal consistency condition.2. Low heat cement has a high percentage to tricalcium aluminate.3. High early strength portland cement contains a larger percentage of tricalcium silicate and a lower percentage of dicalcium silicate.Which of these statements are correct ?

Consider the following statements :1. Tests on cement paste to determi

1.	Consider the following statements :1. Tests on cement paste to determine initial and final setting times are done at normal consistency condition.2. Low heat cement has a high percentage to tricalcium aluminate.3. High early strength portland cement contains a larger percentage of tricalcium silicate and a lower percentage of dicalcium silicate.Which of these statements are correct ?
A.	1 and 2
B.	1 and 3
C.	2 and 3
D.	1, 2 and 3
Answer» C. 2 and 3

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