Worksheet 3
Name: 				
Date: 				

1. Aftercoolers, where required, shall be provided with individual _____________.
A. Pressure indicators
B. Flexible connectors
C. Condensate traps
D. Shutoff valves
Code Section                             #

2. Carbon monoxide shall activate a local alarms when the CO level exceeds ______.
A. 10 ppm
B. 5 ppm
C. 15 ppm
D. 20 ppm
Code Section                             #

3. Compressors that are monitored for gaseous hydrocarbons shall be monitored on a __________ basis.
A. Quarterly
B. Monthly
C. Daily
D. Annual
Code Section                             #

4. Dew point shall activate the required alarms when the dew point at system pressure exceeds _________.
A. 42 F
B. 39 F
C. 35 F
D. 32 F
Code Section                             #

5. Liquid ring compressor system shall have a reserve medical air standby header (1HR) or a____________.
A. Condensate traps
B. Manifold
C. Compressor
D. Bulk system
Code Section                             #

6. Liquid ring compressors, service water and seal water shall be treated to control_________.
A. Waterborne pathogens
B. Chlorine
C. Hyper chlorination
D. Both a & b
Code Section                             #

7. Medical air compressor systems shall have a pressure relief valve set at _______ percent above line pressure.
A. 40
B. 50
C. 30
D. 20
Code Section                             #

8. Medical air compressor systems shall have a(n) _________ means to prevent backflow through all off-cycle compressors.
A. Manual
B. Automatic
C. Semi-automatic
D. All of the above
Code Section                             #

9. Medical air compressors shall be provided with a _____ restart function such that the compressors will be restarted after a power interruption.
A. Manual
B. Automatic
C. Manual or automatic
D. None of the above
Code Section                             #

10. Medical air compressors that are designed to separate the oil-containing section from the compression chamber shall be provided with a coalescing filter with a ________.
A. Shutoff valve
B. Pressure indicator
C. Element change indicator
D. All of the above
Code Section                              #

11. Medical air filters shall be located immediately upstream of the ________.
A. Receiver
B. After coolers
C. Final line regulator
D. Pressure indicator
Code Section                              #

12. Medical air filters shall be sized for 100 percent of the system peak calculated demand and be rated for a minimum of ______ percent efficiency at _______ micron or greater.
A. 95% @ .5
B. 98% @ 1
C. 100% @ .1
D. None of the above
Code Section                              #

13. Medical air receivers shall be provided with proper valves that allow the receiver to be ________ during service.
A. Pressurized
B. Bypassed
C. On line
D. Painted
Code Section                              #

14. Medical air shall be sampled at a_____ NPS valved sample port downstream of the final line pressure regulator.
A. 1/4 inch
B. 1/8 inch
C. 1/2 inch
D. 3/4 inch
Code Section                              #

15. Medical air sources shall be used only for _______.
A. Human respiratory applications
B. Air-operating devices
C. Instrument air
D. All of the above
Code Section                              #

16. Medical air supply systems shall be required to _________. 
A. Meet the requirements of medical air USP
B. Have no dectectable liquid hydrocarbons
C. Have less than 25 ppm gaseous hydrocarbons
D. All of the above
Code Section                              #

17. To prevent injuring to the medical staff the station outlets that is operating with pressures of 200 psi and 300 psi shall be designed to prevent removable of the adapter until ______________.
A. Relief valves
B. Automatic and manual drains
C. Sight glass
D. All of the above
Code Section                               #

18. The compressor air intakes shall be located outdoors at a minimum distance of ______ above the ground.
A. 10 Feet
B. 20 Feet
C. 40 Feet
D. 30 Feet
Code Section                              #

19. The medical air intake shall be located a minimum of ___ ft from all vehicular exhausts and noxious fumes.
A. 20
B. 25
C. 15
D. 10
Code Section                              #

20. The medical air intake shall be minimum 10 ft from all ____________.
A. Doors
B. Windows
C. Opening in the building
D. All of the above
Code Section                              #

21. Where medical air piping systems at different operating pressures are required, the piping shall separate after the _______.
A. Source valve
B. Relief valve
C. Filters
D. Final line regulators
Code Section                              #

22. Where liquid ring compressors with air-water separators are used, when the liquid level is above the design level, a sensor activates a(n) _______ alarm indicator.
A. Local
B. Area
C. Master
D. All of the above
Code Section                              #

23. Where liquid ring compressors or water-cooled aftercoolers are used, air receivers shall be equipped with a_____ sensor.
A. Low water level
B. High temperature
C. Low temperature
D. High water level
Code Section                              #

24. Where Liquid ring air compressors, and compressors having water-cooled heads, or water-cooled aftercoolers are used. They shall have a high water level alarm sensors located in the _____ and ______that will shut down the compressor systems and activate a local alarm.
A. Air receivers and water systems
B. Air receivers and air-water separator
C. Air-water separators and air receiver drain
D. Any of the above
Code Section                              #

25. When the backup or lag compressor is running, a(n) _______ alarm shall activate.
A. Master
B. Area
C. Local
D. All of the above
Code Section                              #

26. What type of connection should be used to connect the medical air compressors or vacuum pumps to their intake and outlet piping?
A. Compression fittingsy
B. Di-electric
C. Flexible
D. Insulation
Code Section                              #

27. 

Code Section                              #

28. Medical air intake shall be labeled in accordance with 5.1.11.1 with any method that would distinguish it as a medical ______ .
Code Section                              #

Worksheet 3 answers
1. C
2. A
3. A
4. C
5. C
6. D
7. B
8. B
9. B
10. C
11. C
12. B
13. B
14. A
15. A
16. D
17. D
18. B
19. B
20. D
21. C
22. A
23. D
24. B
25. C
26. C
27. 10, 10, 25, 20
28. Air Intake