Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 21 (Q.No. 21)
21.
The role of superplasticizer in a cement paste is to
disperse the particles
disperse the particles and to remove air bubbles
disperse the particles, remove air bubbles and to retard setting
retard setting
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
8 comments Page 1 of 1.

ARPITDUBEY said:   5 years ago
Superplasticizer increases setting time through deflocculation by adsorption of negative charges on the cement particles so that they repel each other due to electrostatic force.

And it also increase workability of cement paste and remove air bubbles.

SAMUEL DIGAL said:   5 years ago
It should be option A.
(1)

Ravi said:   5 years ago
C is the correct answer.

Kumar said:   7 years ago
I think Option C is correct.

PRAKASH said:   7 years ago
Can anybody explain that how C is the correct answer?

Basu said:   7 years ago
The Correct option is C.

Dolly said:   7 years ago
I think option C is correct`.

Shivam said:   7 years ago
The Correct option is C.

Post your comments here:

Your comments will be displayed after verification.