NFPA 99: Worksheet 10

Inspection and testing shall be performed on all new piped gas systems, additions, renovations, temporary installations or repaired systems to ensure that all applicable provisions of NFPA 99 have been adhered to and system integrity has been achieved or maintained. What is required of the individual doing the testing or inspecting?

• Have two years of experience

• Have a documented procedure

• Be a certified tester

• None of the above

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?

• Physical separation of pipeline

• System component removal

• Replacement or Addition of system components

• Any of the above

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?

• Responsible facility authority

• Maintenance supervisor

• Head nurse

• Any of the above

On system renovations where no piping is changed, functional testing shall be performed to assure no other equipment in the system has been adversely impacted.

• True

• False

The test required by the installer shall be performed and documented prior to the system verification. The test gas shall be ___________.

• source gas

• oil-free dry nitrogen NF

• compressed oil-free dry air

• any of the above

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 _____________.

• 200 psi

• 150 psi

• 100 psi

• 75 psi

The initial pressure test for the piping of a medical gas and vacuum system shall be maintained ________.

• for 24 hours

• until 25% of the joints have been examined for leakage

• for 8 hours

• until 100% of the joints have been examined for leakage

For the initial pressure test, all brazed joints shall be examined for leakage by means of soapy water or other equally effective means that are safe to use with oxygen and does not contain ammonia.

• True

• False

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 ________________.

• source gas @ 150 psi

• oil-free, dry air @ 100 psi

• oil-free, dry Nitrogen NF @ 50 psi

• none of the above

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 _______.

• 150 psi for 8 hours

• 20% above operating pressure for 8 hours

• 150 psi for 24 hours

• 20% above operating pressure for 24 hours