SSC JE Civil Engineering 2013 Solved Paper

Question : 186 of 200

Marks: +1, -0

High percentage of

C_3

S and low percentage of

C_2S

in a cement will result in
(i) rapid hardening
(ii) high early strength with high heat generation
(iii) more resistance to chemical attack
The correct answer is

Only (i)
Only (iii)
Both (i) and (ii)
Both (i) and (iii)

Validate

Solution:

C_3S

reacts with water, producing more heat of hydration and responsible for early strength of concrete,

C_2S

are more resistance to sulphate attack. But as given

C_2S

has low% in cement so resistance against chemical attack is low.

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