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Author Question: The particle size produced by an ultrasonic nebulizer depends mainly on which of the following? ... (Read 55 times)

BRWH

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The particle size produced by an ultrasonic nebulizer depends mainly on which of the following?
 
  a. Blower (fan) speed
  b. Signal amplitude
  c. Signal frequency
  d. Chamber baffling

Question 2

Which of the following mean mass aerodynamic diameter (MMAD) aerosol suspensions is pro-duced by an ultrasonic nebulizer operated at 1.25 MHz?
 
  a. 1 to 2 m
  b. 6 to 10 m
  c. 4 to 6 m
  d. Less than 1 m



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kaylee05

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Answer to Question 1

ANS: C
The frequency at which the crystal vibrates, preset by the manufacturer, determines aerosol parti-cle size.

Answer to Question 2

ANS: C
A nebulizer operating at 1.25 MHz produces an aerosol with an MMAD of between 4 and 6 m.




BRWH

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Reply 2 on: Jul 16, 2018
YES! Correct, THANKS for helping me on my review


isabelt_18

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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