Civil Engineering - GATE Exam Questions - Discussion

Discussion Forum : GATE Exam Questions - Section 2 (Q.No. 43)
43.
An important purpose of prime coats is to:
promote the bond between the base and the wearing courses
promote the adhesion between an existing wearing surface and a subsequent wearing surface
promote the bond between the sub-base cause and the sub-grade
increase the stability of the sub-grade
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
8 comments Page 1 of 1.

Mahesh sinh said:   4 years ago
No it's wrong.

Prime coats give adhesion between wmm or wbm means base coat and dbm or bc means wearing coat.

Tack coat use as adhesion between existing wearing to subsequent wearing coat than option A is right.
(1)

Sevya said:   1 decade ago
Generally prime coat will be applied on WMM, WBM surfaces. But, the answer is promote the adhesion between an existing wearing surface and a subsequent wearing surface, is correct. Please give your reply.

Chhaya said:   8 years ago
Yes @Sevy.

You are right, the answer is B.

Satyamev jayate said:   7 years ago
The Right answer is A.

For b, tack coat is used.

Roy said:   7 years ago
The Right answer is A.

Option B is for tack coat.

Keshav Kaushik said:   7 years ago
Yes, Option A is for Prime Coat and Option B is for Tack Coat.

Narayan saha said:   5 years ago
Answer will be option A.

Dikesh dewangan said:   4 years ago
A is the correct answer.

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