When will the particles settle in a tank which is subjected to counte

1.	When will the particles settle in a tank which is subjected to countercurrent settling?
A.	V<(VƟ – V sinƟ)/v cosƟ
B.	V>= VƟ/v cosƟ
C.	V>= (VƟ – V sinƟ)/v cosƟ
D.	V<VƟ/v cosƟ
Answer» D. V<VƟ/v cosƟ

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