問題詳情

43. Ethanol of density ?? flows smoothly through a horizontal pipe that tapers in cross-sectionalarea from A1 to A2 (A1 = 2A2) as shown in the figure. The pressure difference between thewide and narrow sections of pipe is ∆P. What is the volume flow rate of the ethanol?


(A)


(B)


(C)


(D)


(E)

參考答案

答案:A
難度:計算中-1
書單:沒有書單,新增