Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 7 (Q.No. 20)
20.
A bed of sand consists of three horizontal layers of equal thickness. The value of Darcy's k for the upper and lower layers is 1 x 10-2 cm/sec and that for the middle layer is 1 x 10-1 cm/sec. The ratio of the permeability of the bed in the horizontal direction to that in the vertical direction is
Discussion:
2 comments Page 1 of 1.
Mayursinh chudasama said:
8 years ago
How this answer came? Please explain.
Sam said:
7 years ago
K1*Z1+K2*Z2+K3*Z3/(Z1+Z2+Z3).
K1=1*10^-2,
K2=K3=1*10^-1.
K1=1*10^-2,
K2=K3=1*10^-1.
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