Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 2 (Q.No. 1)
1.
A soil has a bulk density of 1.80 g/cm3 at water content of 5%. If the void ratio remains constant, then its bulk density for a water content of 10% will be
1.88 g/cm3
1.80 g/cm3
1.98 g/cm3
1.70 g/cm3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
14 comments Page 2 of 2.

Sass said:   7 years ago
1.78 is the correct answer.

Manu said:   7 years ago
1.88 is the right answer.

Sinha said:   7 years ago
1.71*(1+.1).

Yb = 1.88. wrong.

Pankaj Kalam said:   1 decade ago
Bulk density Yb.
Dry Density Yd.
water content w.

Yb = Yd(1+w).
1.80 = Yd (1+.05).

Yd = 1.8/1.05.
Yd = 1.71.

Yb = 1.71*(1+.1).
Yb = 1.88.
(1)


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