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Author Question: If a portable liquid oxygen reservoir is set to deliver 6 L/min and the current reservoir weight is ... (Read 108 times)

Frost2351

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on: Jul 16, 2018
If a portable liquid oxygen reservoir is set to deliver 6 L/min and the current reservoir weight is 38 lb, it will take _____ hours for the reservoir to empty if the weight of an empty container is 10 lb.
 
  a. 5 c. 27
  b. 23 d. 36

Question 2

Which of the following is (are) a small nebulizer compressor(s)? 1. Diaphragm 2. Liquid air 3. Rotary 4. Piston
 
  a. 4 c. 1 and 2
  b. 1 d. 1, 3, and 4


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ally

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: C
Subtract 10 lb from 38 lb = 28 lb. Convert 28 lb/2.5 lb/L = 11.2 lb. 11.2 lb  860 = 9632 L. Then divide by liter flow: 9632 L/6 L/min = 1605 minutes, or 27 hours.

Answer to Question 2

ANS: B
A flexible diaphragm is attached to a piston to compress gas. As the piston moves down, the di-aphragm is bent outward and gas is drawn through a one-way valve into the cylinder. Upward movement of the piston forces the gas out of the cylinder through a separate one-way outflow valve. Examples of diaphragm compressors are the Air Shields Diapump and the DeVilbiss small nebulizer compressor.


Frost2351

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Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

phuda

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

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