URGENT!! A filtration process is performed by fixed reasoning. Afterwards, the filtration process continues with a constant pressure difference of 400 N/m2. It is known that 1.2 m3 filtration is achieved in 250 hours at a constant speed. If the final flat volume obtained after a total time of 1000 seconds for the whole process is 4 m3, the fraction determines all of its effects. Assume that the solid particles filtered in the filter cake consist of homogeneous spheres and their radius is 4 cm. Additional organ: A= 1.8 m2 l=18 cm u=1g/cm.s =0.1 Pa.s

A)0.24

B) 0.11

C)0.32

D)0.16