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. Which of the following curve with height of the interface as the y-axis and the time as the x-axis represent the s-t interface?
A.	a
B.	b
C.	neither a or b
D.	both a and b
Answer» B. b

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