問題詳情

51.小容積噴霧器(SVN),裝置中的噴射出口(jet orifice)之功能為:
(A)降低側壓(lateral pressure)
(B)增加回壓(back pressure)
(C)加快氣流速率(velocity)
(D)降低氣體密度(density)

參考答案

答案:A,C
難度:簡單0.774194
統計:A(25),B(5),C(29),D(1),E(0)

用户評論

【用戶】Tim Tu

【年級】高三下

【評論內容】小容積噴霧器(SVN),裝置中的噴射出口(jet orifice)之功能為(1)降低側壓(lateral pressure)(2)加快氣流速率(velocity)

【用戶】Rina

【年級】小一上

【評論內容】Basic components of an air-entrainment system.Pressurized gas passes through a nozzle or jet, beyond which areair-entrainment ports. Shear forces at the jet orifice entrain air intothe primary gas stream, diluting the O2 and increasing the total flowoutput of the device.