In sedimentation, l – clear liquid zone, t- thick suspension zone, s – McqOptions

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1.	In sedimentation, l – clear liquid zone, t- thick suspension zone, s- solid zone. With concentration of solids as the y-axis and the time as the x-axis, which curve does the following represent?
A.	l-t interface
B.	t-s interface
C.	t zone
D.	none of the mentioned
Answer» C. t zone

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