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 cm/sec and that for the middle layer is 1 x 10 cm/sec. The ratio of the permeability of the bed in the horizontal direction to that in the vertical direction is

A bed of sand consists of three horizontal layers of equal thickness.

1.	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 cm/sec and that for the middle layer is 1 x 10 cm/sec. The ratio of the permeability of the bed in the horizontal direction to that in the vertical direction is
A.	10.0 to 1
B.	2.8 to 1
C.	2.0 to 1
D.	1 to 10
Answer» C. 2.0 to 1

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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 cm/sec and that for the middle layer is 1 x 10 cm/sec. The ratio of the permeability of the bed in the horizontal direction to that in the vertical direction is

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