Which of the following relationship is valid for the equilibrium posit – McqOptions

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1.	Which of the following relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)?
A.	Df + Bf = Wf
B.	Df = Bf + Wf
C.	Df + Bf + Wf =0
D.	None of these
Answer» B. Df = Bf + Wf

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