chapter 2 med gas 2015

The quality medical air shall comply with all of the following standards except.

• A. be filtered to .01 microns

• B. have less than 25 ppm gaseous hydrocarbons

• C. have no detectable liquid hydrocarbons

• D. meet the requirements of medical air USP

Medical air sources shall only be used for ___.

• A. air-operating devices

• B. human respiratory applications

• C. instrument air

• D. WAGD

Medical air compressor systems shall have an automatic means to prevent       from all on-cycle compressors through all off-cycle compressors.

• A. backfire

• B. backflow

• C. backpressure

• D. backup

Medical air compressor systems shall have a pressure relief valve set at ___ percent above line pressure.

• A. 20

• B. 30

• C. 40

• D. 50

Reciprocating compressors that employ the use of oil can be used for medical air as long as the oil-containing section is separated from the compression chamber by at least      seals creating an area open to the atmosphere.

• A. 2

• B. 3

• C. 4

• D. 5

When liquid ring compressors are being used service water and seal water shall be treated to control waterborne pathogens and chlorine (from        ) from entering the medical air.

• A. deionization

• B. hyperchlorination

• C. hypochlorination

• D ionization

Aftercoolers shall be provided with individual ___.

• A. condensate traps

• B. flexible connectors

• C. pressure indicators

• D. temperature indicators

. Receivers for medical air shall not be equipped with ___.

• A. a sight glass

• B. a temperature indicator

• C. automatic and manual drains

• D. relief valves

Medical air filters shall be located immediately upstream (source side) of the ___.

• A. aftercoolers

• B. final line regulator

• B. final line regulator

• D. receiver

. Medical air filters shall be sized for 100% of the system peak calculated demand and be rated for a minimum of 98% efficiency at ___ micron or greater.

• A. .01

• B. 1

• C. 5

• D. 10