4) Consider the three 1D flow setups shown below. All tubes have the same overal

Question

4) Consider the three 1D flow setups shown below. All tubes have the same overall cross-section, and two soils of different k, with k21000 k1. 9 pts 1000 k, CASEI CASE II CASE III k, ka Figure drawn to scale- All setups extend one unit into the page Given the information provided, rank the following using 1 for the greatest, and clearly identifying any ties. NO CALCULATIONS REQUIRED - total head at point B: CASE I CASE II CASE gradient across soil 1 (soil with k-k,) CASE I CASE II CASE flow rate (q) through setup - CASE I CASE II CASE

Explanation / Answer

1) total head is same for all the cases in first question.

2) In second question i = head loss per unit length , thererfore case II > case I> caseIII

3)flow rate can be calculated using formula with different k values such as in first two cases K horizontal and in 3rd case K vertical.

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