問題詳情
24. A venturi tube may be used as the inlet to an automobile carburetor. If the 2.0-cm diameterhorizontal pipe narrows to a 1.0-cm diameter, what is the pressure drop in the constricted section foran airflow of 2.0 m/s in the 2.0-cm section? (p= 1.2 kg/m3.)
(A)70Pa
(B)85Pa
(C)95Pa
(D)20 Pa
(E) 36 Pa
參考答案
答案：E
難度：計算中-1
書單：沒有書單，新增