MED GAS Final Exam with accurate detailed || || || || || || ||
solutions
In a Dental vacuum system installed with plastic piping , the pipe shall be poly vinyl chloride
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PVC plastic with a minimum wall thickness of - ✔✔Schedule 40
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Who shall be responsible for developing an emergency plan in the event of medical air loss at a
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Category 2 facility ? - ✔✔Facility staff || || || || || ||
Distribution piping for support gas systems ( nitrogen and instrument air in Category 2 dental
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systems shall be type L copper tube - ✔✔A. ATSM B88 B. ASTM B280 C. ASTM B819 D. Any
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of the above
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Nitrogen and instrument air supply systems are not to be used for patient care , but are used for
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powering pneumatic devices and should be considered gases - ✔✔Support
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Instrument air systems shall activate the alarm systems when the dew point at system pressure
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exceeds - ✔✔-22 ° F. || || || ||
Instrument air sources shall produce air at not less than a gauge pressure of - ✔✔A. 100 psi B.
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150 psi C. 200 psi D. None of the above
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The quality of instrument air shall be dry to a dew point of - ✔✔-40 ° F.
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The quality of instrument air shall be - ✔✔A. Filtered to .01 micron B. Free of liquids C. Free of
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hydrocarbon vapors D. All of the above || || || || || ||
Verification testing shall be conducted by a party who is technically competent and experienced in
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the field of medical gas and vacuum pipeline testing and meets the requirements of - ✔✔ASSE
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Standard 6030 ||
, medical gas piping shall be conducted with the source valve closed and the The standing pressure
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test for piping positive system pressure subjected to a pressure of - ✔✔20 % above operating
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pressure for 24 hours || || ||
The initial pressure test for the piping of a medical gas and vacuum system shall be maintained -
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✔✔For 24 hours || ||
During the initial pressure test , the source times the system working pressure but not less than
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shutoff valve shall remain closed and the test pressure for pressure gases shall be - ✔✔150 psi
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Performance qualifications of brazers shall remain in effect indefinitely unless the brazerdoes not || || || || || || || || || || || || ||
braze with the qualified procedure for a period exceeding months - ✔✔6
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Flex hose and connectors both metallic an non metallic shall be no longer than necessary and shall
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have a minimum burst pressure of - ✔✔1,000 psi
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Piping shall not be installed at which of the following locations - ✔✔A. Kitchens B. Elevator
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shafts C. Area with open flames D. All of the above
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A continuous tape or marker shall be placed immediately above the buried pipeline enclosure and
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shall be identified by - ✔✔Specific name
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Mains and branches in medical surgical vacuum systems shall be not less than - ✔✔3/4 NPS
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Mains and branches in medical gas piping systems shall be not less than - ✔✔ NPS
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Threaded joints in medical gas and vacuum distribution piping shall be limited to - ✔✔A. Gauges
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B. Alarm pressure switches C. Demand check valves DAll of the above
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solutions
In a Dental vacuum system installed with plastic piping , the pipe shall be poly vinyl chloride
|| || || || || || || || || || || || || || || || ||
PVC plastic with a minimum wall thickness of - ✔✔Schedule 40
|| || || || || || || || || ||
Who shall be responsible for developing an emergency plan in the event of medical air loss at a
|| || || || || || || || || || || || || || || || || ||
Category 2 facility ? - ✔✔Facility staff || || || || || ||
Distribution piping for support gas systems ( nitrogen and instrument air in Category 2 dental
|| || || || || || || || || || || || || || ||
systems shall be type L copper tube - ✔✔A. ATSM B88 B. ASTM B280 C. ASTM B819 D. Any
|| || || || || || || || || || || || || || || || || || ||
of the above
|| ||
Nitrogen and instrument air supply systems are not to be used for patient care , but are used for
|| || || || || || || || || || || || || || || || || || ||
powering pneumatic devices and should be considered gases - ✔✔Support
|| || || || || || || || ||
Instrument air systems shall activate the alarm systems when the dew point at system pressure
|| || || || || || || || || || || || || || ||
exceeds - ✔✔-22 ° F. || || || ||
Instrument air sources shall produce air at not less than a gauge pressure of - ✔✔A. 100 psi B.
|| || || || || || || || || || || || || || || || || || ||
150 psi C. 200 psi D. None of the above
|| || || || || || || || ||
The quality of instrument air shall be dry to a dew point of - ✔✔-40 ° F.
|| || || || || || || || || || || || || || || ||
The quality of instrument air shall be - ✔✔A. Filtered to .01 micron B. Free of liquids C. Free of
|| || || || || || || || || || || || || || || || || || || ||
hydrocarbon vapors D. All of the above || || || || || ||
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 - ✔✔ASSE
|| || || || || || || || || || || || || || || || ||
Standard 6030 ||
, medical gas piping shall be conducted with the source valve closed and the The standing pressure
|| || || || || || || || || || || || || || || ||
test for piping positive system pressure subjected to a pressure of - ✔✔20 % above operating
|| || || || || || || || || || || || || || || ||
pressure for 24 hours || || ||
The initial pressure test for the piping of a medical gas and vacuum system shall be maintained -
|| || || || || || || || || || || || || || || || || ||
✔✔For 24 hours || ||
During the initial pressure test , the source times the system working pressure but not less than
|| || || || || || || || || || || || || || || || ||
shutoff valve shall remain closed and the test pressure for pressure gases shall be - ✔✔150 psi
|| || || || || || || || || || || || || || || ||
Performance qualifications of brazers shall remain in effect indefinitely unless the brazerdoes not || || || || || || || || || || || || ||
braze with the qualified procedure for a period exceeding months - ✔✔6
|| || || || || || || || || || ||
Flex hose and connectors both metallic an non metallic shall be no longer than necessary and shall
|| || || || || || || || || || || || || || || ||
have a minimum burst pressure of - ✔✔1,000 psi
|| || || || || || || || ||
Piping shall not be installed at which of the following locations - ✔✔A. Kitchens B. Elevator
|| || || || || || || || || || || || || || || ||
shafts C. Area with open flames D. All of the above
|| || || || || || || || || ||
A continuous tape or marker shall be placed immediately above the buried pipeline enclosure and
|| || || || || || || || || || || || || || ||
shall be identified by - ✔✔Specific name
|| || || || || ||
Mains and branches in medical surgical vacuum systems shall be not less than - ✔✔3/4 NPS
|| || || || || || || || || || || || || || ||
Mains and branches in medical gas piping systems shall be not less than - ✔✔ NPS
|| || || || || || || || || || || || || || || || ||
Threaded joints in medical gas and vacuum distribution piping shall be limited to - ✔✔A. Gauges
|| || || || || || || || || || || || || || ||
B. Alarm pressure switches C. Demand check valves DAll of the above
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