Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 7 (Q.No. 28)
28.
According to ISI, bitumen is classified into
2 grades
4 grades
6 grades
8 grades.
10 grades.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
17 comments Page 1 of 2.

Ssh access said:   9 years ago
No, it's 4 grades.

JACK said:   9 years ago
IS 73:2013 clause 5 page no. 1. bitumen is classified into 4 grades.

VG10, VG20, VG30 and VG40.
(1)

Pratibha said:   9 years ago
Please give me the correct explanation to this question.

Aarti said:   9 years ago
VG10, VG20, VG30 and VG40 it's only from Viscosity grade.

There are 6 types of bitumen grade i.e penetration, viscosity, cutback, natural, performance, bitumen emulsion.

Raees said:   9 years ago
What is VG10/VG30?

HASNAT HOSSAIN said:   8 years ago
Answer will be 4 type of grades.

Harshaa said:   8 years ago
VG means Viscocity Grade.

Jai said:   8 years ago
6 grades is correct.

Nishant said:   8 years ago
Option E is right.

Penetration, viscosity, oxide bitumen grade, bituminous binders prepration, cutback,

Fluxed, modified, emultion, asphalt, performence, natural.
(4)

Abhishek said:   7 years ago
Whoever is saying 6, Please mention the IS code as I couldn't find any IS code which says there are 6 grades.

And please note that the question asked about the NUMBER of grades. It didn't tell anything about the nature of the classification.


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