Worksheet 11
Name: 				
Date: 				

1. Category 3 gas-power device supply systems, vacuum systems and scavenging systems. The Initial tests shall be performed before the final tests shall be conducted by ___________.
A. Installer
B. Reprenstative of the system manufacturer
C. Medical gas system verifier 6030
D. Any of the above
Code Section                             #

2. Category 3 piped gas and vacuum systems only ____________ shall be permitted.
A. Deep sedation
B. General anesthesia
C. Moderate sedation
D. Any of the above
Code Section                             #

3. Category 3 vacuum source equipment shall be obtained from, and be installed under the supervision of the ______________?
A. Manufacturer
B. Supplier
C. Who is familiar with it’s installation, operation, use
D. Any of the above
Code Section                             #

4. Cylinders in service and in storage shall be ____________ secured and located to prevent falling or being knocked over.
A. Individually
B. Just the ones in storage
C. All cylinders
D. Only in service
Code Section                             #

5. Dental air sources for a compressor intake located inside the building shall be located within a space where no ______________ are stored or used.
A. Chemical based materials
B. Patient medical treatment
C. Discharge from category 3 vacuum system
D. All of the above
Code Section                             #

6. Dental applications that use flexible connectors shall have a gauge pressure rating not less than_________.
A. 1000 psig
B. 800 psig
C. 600 psig
D. 1200 psig
Code Section                             #

7. In a dental vacuum system, the dental vacuum tubing shall be permitted to be polyvinyl chloride (PVC) plastic with a minimum wall thickness of ____________.
A. Schedule 10
B. Schedule 20
C. Schedule 40
D. Any of the above
Code Section                             #

8. In a dental, connecting a manifold to the gas distribution piping the flexible connectors shall not exceed ________ in length.
A. 9 Ft.
B. 10 Ft.
C. 8 Ft.
D. 5 Ft.
Code Section                             #

9. In a single treatment facility the central supply systems shall contain a minimum of ______ equal headers, of one or more cylinders with each header containing a minimum of an average day’s supply.
A. 4
B. 1
C. 2
D. 3
Code Section                             #

10. Mains, branches and drops to individual service outlets in dental pressure oxygen piping systems shall be not less than ____________.
A. 1/2” NPS
B. 1/4” NPS
C. 3/8” NPS
D. 3/4” NPS
Code Section                              #

11. Piping for dental positive-pressure medical gases shall be cleaned for oxygen service, delivered plugged or capped and shall be hard-drawn, seamless copper ASTM _______.
A. B88
B. B819
C. B280
D. Any of the above
Code Section                              #

12. The Installer of dental medical gas piped distribution systems regardless of source equipment size shall be certified in accordance with_____________
A. ASSE 6040
B. ASSE 6020
C. ASSE 6030
D. ASSE 6010
Code Section                              #

13. The risk assessment, in a dental space where the loss of the piped gas and vacuum systems, this shall be permitted to be what category?
A. Category 1
B. Category 3
C. Category 2
D. Category4
Code Section                              #

14. Where the Category 3 central supply systems is remote from the building being served the manifold in this category shall include a __________ means of alternating the primary and secondary headers.
A. Electronic/ robotic
B. Manual
C. Automatic
D. Either a or b
Code Section                              #

15. Where the term medical gas occurs the provisions shall apply to all piped system for ________
A. Oxygen
B. Nitrous oxide
C. All of the above
D. Helium
Code Section                              #

16. Category 2 oxygen piping shall be at least 1 size larger than piping for ________ ?
____________________
Code Section                              #

17. Source equipment shall not be connected to the piping system through _______ ?
____________________
Code Section                               #

18. The _______ shall review the inspection and testing records prior to use of any of the systems to ensure that all findings and results of inspection and testing have been successfully completed before use.
____________________
Code Section                               #

Worksheet 11 answers
1. D
2. C
3. D
4. A
5. D
6. A
7. C
8. D
9. C
10. C
11. B
12. D
13. B
14. C
15. C
16. Nitrous oxide
17. Flexible connectors
18. Responsible facility authority