【Weekly Topic】【HVAC Version 20160321】
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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. In the flow of viscous fluids through pipes, the variation of the pressure head line along the pipe length is ( ). A. It decreases along the length; B. It increases along the length; C. It remains horizontal; D. Any of the above three possibilities could occur. [Haichuan Thanksgiving] – Production Division. The Production and Management Division is seeking moderators and technical discussants to join us
D, any of the first three situations is possible
My answer: D. . . . . . . . . . . . . .
In the flow of viscous fluids through pipes, the variation of the pressure head line along the pipe length is (D) A. It decreases along the length B. It increases along the length C. It remains horizontal D. Any of the first three possibilities could occur
D, any of the first three situations is possible