Rank in order, from highest to lowest, the liquid heights ha to hc. The air flow is from left to right. The liquid columns are not drawn to scale but pipe diameter is drawn to scale.

Engineering

Physics

BernoulIis Equation and Equation of Continuity

Question

h_b = h_d > h_a > h_b

h_b = h_d > h_c > h_a

h_d > h_c > h_b > h_a

h_b > h_d > h_c > h_a

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h_b > h_d > h_c > h_a. The liquid level is higher where the pressure is lower. The pressure is lower where the flow speed is higher. The flow speed is highest in the narrowest tube, zero in the open air.