Author: Victor Stateman
Last saved by: Alexis Strickland
Company: Pipefitters Training Fund 597

Worksheet 10
Name: 				
Date: 				

1. After a final tie-In on an active vacuum system, each vacuum joints shall be tested with a _____________ leak detector or other means that will allow detectant on an active vacuum system.
A. Pressure gauge
B. A tracer gas
C. Ultrasonic
D. Vacuum gauge
Code Section                             #

2. After the final Tie-In each joint shall be leak tested by the source gas. New work and the existing system at the normal operating pressure shall be leak check with a leak detectant that is safe for use with oxygen and does NOT contain ___________.
A. Acetone
B. Chlorine
C. Freon
D. Ammonia
Code Section                             #

3. After the piping system, the blow down test shall be done. Then the Installer must perform which of the following test?
A. Initial pressure test
B. Initial cross connection
C. Initial piping purge test
D. All of the above
Code Section                             #

4. Alarm panels and shutoff valves labeling shall be __________ when modification are made, changing the areas serviced.
A. Backdated
B. Monthly
C. Yearly
D. Updated
Code Section                             #

5. Area alarms shall be tested to verify the warning signals for all vital life support and critical care areas if the pressure in the piping system increases or decreases by ____________.
A. 20%
B. 40%
C. 60%
D. 10%
Code Section                             #

6. At the sample port a demand of approximated 25 % percent load shall be created to cause the compressors to cycle on and off continuously and the dryers to operate for the _________ period.
A. 24 hour
B. 12.5 hour
C. 10 hour
D. 12.0 hour
Code Section                             #

7. Before the piping system is put into use, who is responsible for the ascertaining that the gas delivered to the outlet/inlet has the proper labels and connecting fittings.
A. Any of the above
B. Facility Authority
C. Installers
D. Maintenance staff
Code Section                             #

8. Breached portions of the systems subject to inspection and testing shall be confined to only the specific altered zone or area that is downstream for pressure gases at the point of intrusion. Where a system shall be declared breached?
A. Physical seperation of pipeline
B. System component removal
C. Repalcement or addition of system components
D. Any of the above
Code Section                             #

9. Distribution piping for support gas systems (nitrogen and instrument air) shall be __________ type “L” copper tube.
A. Any of the above
B. ASTM B280
C. ASTM B88
D. ASTM B819
Code Section                             #

10. During the initial pressure test, the source shutoff valve shall remain closed and the test pressure for pressure gases shall be 1.5 times the system working pressure, but not less than _____________.
A. 200 psi
B. 100 psi
C. 75 psi
D. 150 psi
Code Section                              #

11. Final line filters for instrument air shall be rated for a minimum of ________ efficiency at __________ micron.
A. 100% at .1
B. 100% at .01
C. 98% at .1
D. 98% at .01
Code Section                              #

12. In Category 2 piped gas or piped vacuum systems shall be permitted to administrate moderate sedation, minimal sedation. If a patient is put into a deep sedation or general anesthesia then the risk assessment would most likely place the user in what category?
A. Category 4
B. Category 3
C. Category 1
D. Category 2
Code Section                              #

13. Initial piping purge test the Installer shall use the appropriate adapters and purge with an intermittent high volume flow of test gas until the purge produces ___________in a clean white cloth.
A. No yellow grit
B. No white coloration
C. No yellow dust
D. No discoloration
Code Section                              #

14. Inspection and testing shall be performed on all new piped gas systems, additions, renovations, temporary installations or repaired systems to assure the facility that all applicable provisions of NFPA 99C have been adhered to and system integrity has been achieved or maintained. What is required of the individual doing the testing or inspecting?
A. Have two years experience
B. Have a documented procedure
C. Be a certified tester
D. None of the above
Code Section                              #

15. Installer shall create a form indicating that the standing pressure test has been performed and witnessed, a copy shall be provided to the _____________.
A. Doctors
B. Nurses
C. Verifier
D. Any of the above
Code Section                              #

16. Instrument Air system that employ a standby header shall be permitted to have a simplex cooler and dryer. Where a standby header is provide a ___________ shall be installed to prevent backflow.
A. One way valve
B. Check valve
C. Isolation valve
D. Two way check valve
Code Section                              #

17. Instrument air sources shall produce air at not less than a gauge pressure of __________.
A. 100 psi
B. 50 psi
C. 200 psi
D. 250 psi
Code Section                               #

18. Instrument air systems shall activate the alarm systems when the dew point at system pressure exceeds ______________.
A. -20F
B. -26F
C. 22F
D. -22F
Code Section                               #

19. Intake air for instrument air compressors shall be permitted to be drawn from what location?
A. Equipment location
B. Outside
C. Ducted air
D. Any of the above
Code Section                              #

20. Medical air purity for compressor systems shall be analyzed prior to the source valve being opened. Samples taken at the system sample port for carbon monoxide shall not exceed ___________.
A. 500 ppm
B. 2 ppm
C. 10 ppm
D. 25 ppm
Code Section                              #

21. When brazing, joints shall be continuously purged with oil-free, dry nitrogen NF to prevent the formation of _____________ on the inside surfaces of the joint.
A. Hazrdous
B. Medical
C. Support
D. All of the above
Code Section                              #

22. Persons maintaining medical gas and vacuum systems shall have appropriate qualification by demonstrated one of the following:
A. A documented training program acceptable by the health care facility
B. Credentialing to ASSE 6040, technically competent
C. Credentialing to ASSE 6030, technically competent
D. Any of the above
Code Section                              #

23. Support gases system are subject to the same hazards as, present in any piped medical gas system with the additional hazard of_________________.
A. Asphyxiations
B. Elevated pressures
C. Hazards are no different than any other piped medical gas
D. More highly expolsive
Code Section                              #

24. The 24-hour standing pressure test shall be witnessed by the AHJ or its _____________.
A. Designee
B. Verifier
C. Staff
D. Doctors
Code Section                              #

25. The air quality tests shall be conducted after the medical air source system has been operating normally, but with the source valve closed under a simulated load for an elapsed time at least _________.
A. 12.5 hours
B. 24 hours
C. 12.0 hours
D. 10 hours
Code Section                              #

26. The initial pressure test for a vacuum system shall be 1.5 times the working pressure but not less than___________.
A. 100 psi
B. 150 psi
C. 50 to 55 psi
D. 50 psi
Code Section                              #

27. The initial pressure test for the piping of a medical gas and vacuum system shall be maintained ________.
A. Until 25% of the joints have been examined for leaks
B. Until 100% of the joints have been examined for leaks
C. For 8 hours
D. For 24 hours
Code Section                              #

28. The installer shall determine that no cross connection exists between the various medical gas and vacuum piping systems. With all systems reduced to atmospheric pressure, the one system being tested shall be charged with ____________ at a gage pressure of ________________.
A. Source gas @ 150 psi
B. Oil free dry air @ 100 psi
C. Oil free dry nitrogen NF @ 50 psi
D. None of the above
Code Section                              #

29. The quality of instrument air shall be dry to a dew point of _______________.
A. 40F
B. 32F
C. -40F
D. 35F
Code Section                              #

30. The quality of the instrument air shall be _____________.
A. Filtered to .01 micron
B. Compliant with instrument air
C. Free of hydrocarbons vapors
D. All of the above
Code Section                              #

31. The standing pressure test for positive pressure medical gas piping shall be conducted with the source valve closed and the piping system subjected to a pressure of _______.
A. 20% above operating pressure for 8 hours
B. 150 psi for 8 hours
C. 20% above operating pressure for 24 hours
D. 150 psi for 24 hours
Code Section                              #

32. The standing pressure test for vacuum systems shall be conducted after installation of all components and the piping system shall be subjected to a test pressure of ____________.
A. 29.9” HG for 8 hours
B. 12.9” HG for 8 hours
C. 20” above operating pressure for 24 hours
D. 12” HG/V for 24 hours
Code Section                              #

33. The test required by the installer shall be performed and documented prior to the system verification. The test gas shall be ___________.
A. Source gas
B. Oil free dry nitrogen NF
C. Compressed oil free dry air
D. Any of the above
Code Section                              #

34. Verification testing shall be conducted by a party who is technically competent and experienced in the field of medical gas and vacuum pipeline testing, and meets the requirements of _____________.
A. ASSE standard 6020
B. ASSE standard 6010
C. ASSE standard 6030
D. ASME section IX
Code Section                              #

35. What alarm shall the instrument air activate to indicate when or just before the backup compressor (if provided) is in operation?
A. Master
B. Area
C. Local
D. All of the above
Code Section                              #

36. What percent of the zones shall be tested at the outlet most remote from the source to verify the piping particulate test?
A. 100%
B. 75%
C. 50%
D. 25%
Code Section                              #

37. Where instrument air systems are provided with a standby header, the header shall have how many cylinders attached?
A. An average days supply
B. One-hour of normal operation
C. 4 cyclinders
D. 3 cyclinders
Code Section                              #

38. Which group or agency shall review the inspection and testing records prior to the use of all systems to assure that all findings and results of the inspection and testing have been successfully completed?
A. Responsible Facility authority
B. Maintenance supervisor
C. Head nurse
D. Any of the above
Code Section                              #

39. Who shall be responsible for developing an emergency plan in the event of medical air loss at a Category 2 facility?
A. Authority having jurisdiction
B. Cheif engineer
C. Facility staff
D. Head of maintenance
Code Section                              #

40. Final line filters for instrument air shall be equipped with a continuous visual indicator showing the status of the filter ________ ?
____________________
Code Section                              #

41. Instrument air sources shall be filtered with ________ filters and be located upstream of the final line filters.
____________________
Code Section                              #

42. The difference between the two tests shall in no case exceed 5 ppm of total non-methane _______ .
____________________
Code Section                              #

43. All gas outlets with a gauge pressure of 345 kPa (50 psi), including, but not limited to, oxygen, nitrous oxide, medical air, and carbon dioxide, shall deliver 100 SLPM (3.5 ⁠SCFM) with a pressure drop of not more than 35 kPa (_____ ) and static pressure of 345 kPa to 380 kPa (50 psi to 55 psi).
____________________
Code Section                              #

44. Medical support gas outlets shall deliver 140 SLPM (5.0 ⁠SCFM) with a pressure drop of not more than 35 kPa (5 psi) gauge and static pressure of 1100 kPa to 1275 kPa (____ ) gauge.
____________________
Code Section                              #

45. A manual-reset local alarm that indicates when the capacity of the instrument air central supply system not in use is less than the equivalent capacity of ______
____________________
Code Section                              #

46. Each health care facility shall designate one or more individuals to be the ________ with respect to the facility's medical gas and vacuum systems.
____________________
Code Section                              #

47. The person(s) designated as the Responsible Facility Authority shall be qualified to interpret, implement and advise on this Code. They shall be required to be qualified to?
A. Program exceptable to the health care facility
B. ASSE 6020
C. ASSE 6030
D. Any of the above
Code Section                              #

48. When clinical spaces are converted to nonclinical spaces, medical gas inlets and outlets that are not accessible for maintenance and testing shall be either _______ .
____________________
Code Section                              #

49. Cayegory 2 & 3 medical gas systems are required to have how many alarm panels?
A. 1
B. 3
C. 5
D. None of the above
Code Section                              #

50. Category 2 & 3 medical gas and vacuum systems are allowed to be _______ on the amount of compressors and vacuum pumps
____________________
Code Section                              #

Worksheet 10 answers
1. C
2. D
3. A
4. D
5. A
6. D
7. B
8. D
9. D
10. D
11. D
12. C
13. D
14. B
15. C
16. B
17. B
18. D
19. D
20. C
21. C
22. D
23. B
24. A
25. C
26. B
27. B
28. C
29. C
30. D
31. C
32. D
33. B
34. C
35. C
36. D
37. B
38. A
39. C
40. Element life
41. Active carbon
42. Hydrocarbons
43. 5 psi
44. 160-185
45. One Compressor
46. Responsible facility authority
47. D
48. Removed or decommissioned
49. A
50. Simplex