For a saturated sand deposit, the void ratio and the specific

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For a saturated sand deposit, the void ratio and the specific gravity of solids are 0.70 and 2.67, respectively. The critical (upward) hydraulic gradient for the deposit would we

1. 0.54
2. 0.98
3. 1.02
4. 1.87

Correct Option: B

i_C =	(G - 1)
	(1 + e)

i_C =	2.67 - 1	= 0.98
	1 + 0.7