The time of settlement of the finest particle of soil sample is 15hr 20min 49sec. Calculate the height of the water tank. Take D=0.01 mm, γ=0.905D2.

The time of settlement of the finest particle of soil sample is 15hr 2

1.	The time of settlement of the finest particle of soil sample is 15hr 20min 49sec. Calculate the height of the water tank. Take D=0.01 mm, γ=0.905D2.
A.	5 m
B.	7 m
C.	12 m
D.	4 m
Answer» B. 7 m