知到答案化工原理（1）（全英文）智慧树答案_2022年

第五章

The free settling velocity of a small steel ball with a density of 7800 kg/m in a liquid with a relative density of 1.2 is 1/4000 of that in water at 20℃, then the viscosity of the solution is____ (let the settling area be laminar flow). 一密度为7800 kg/m 的小钢球在相对密度为1.2的某液体中的自由沉降速度为在20℃水中沉降速度的1/4000，则此溶液的粘度为______（设沉降区为层流）。（ ）
答案:3382 mPa·s
The productivity of dust-settling chamber depends on_____. 降尘室的生产强度取决于_______。( ) Characteristics of dust-settling chamber are_____. 降尘室的特点是______。（ ）In dust-settling chamber, the settling velocity of dust is NOT related to_____. 在降尘室中，尘粒的沉降速度与_______无关。（ ）The maximum particle diameter that can be completely separated by cyclone separator is called the critical particle diameter. 通过旋风分离器能够完全分离出来的最大颗粒直径，称临界颗粒直径。（ ）