What is the average mean mass aerodynamic diameter (MMAD) generated by the vibrating mesh nebulizers?
a. 1 to 2 µm
b. 2 to 3 µm
c. 3 to 4 µm
d. 5 to 6 µm
ANS: B
The exit velocity of the aerosol is low, less than 4 m/sec, and the particle size can range between 2 and 3 µm MMAD, varying with the exit diameter of the apertures (Figure 39-27).
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