UPSC Civil Service Exam Questions - Engineering

Q1:

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

ANS:B - 1 and 3

No answer description is available.