It is important to filter the gas before it enters the blender housing; otherwise, a malfunction will occur. Which of the following can cause a malfunction? 1. Moisture 2. Particulate matter 3. High amounts of FIO2 4. Low amounts of FIO2
a. 1 and 3 c. 1 and 4
b. 1 and 2 d. 2 and 3
ANS: B
Because moisture and particulate matter introduced into the blender by the source gases can cause the blender to malfunction, it is important to filter the gas before it enters the blender housing.
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