問題詳情
1.(20) A Pitot-static probe connected to a water manometer is used to measure the velocity of air. If the deflection (the vertical distance between the fluid levels in the two arms) is 7.3 cm, determine the air velocity. (Take the density of air to be 1.25 kg/rn3.)
參考答案
答案：A
難度：簡單0.858223
統計：A(454),B(9),C(19),D(23),E(0)
用户評論
【用戶】許凱茵
【年級】高一下
【評論內容】效高，信高；效低，信度不一定低信低，效低；信高，效度不一定高