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Posted: **Wed Jun 08, 2022 7:33 am**

: Question 6 Numerical Questions 6 A Laboratory Tests Were Carried Out On Samples Of Sand Using A Constant Head Perme 1 (38.11 KiB) Viewed 43 times

: Question 6 Numerical Questions 6 A Laboratory Tests Were Carried Out On Samples Of Sand Using A Constant Head Perme 2 (38.11 KiB) Viewed 43 times

QUESTION - 6 (NUMERICAL QUESTIONS) 6-a) Laboratory tests were carried out on samples of sand using a constant head permeameter and the following results obtained. Diameter of sample 100 mm Distance between manometer tapping points 90 mm Quantity collected in 5 minutes (ml) 1670 1457 Difference in manometer levels (mm) 69 53 Determine the average coefficient of permeability (mm/s). [10 marks]