MED GAS FINAL EXAM QUESTIONS
WITH COMPLETE SOLUTIONS
While brazing medical- gas copper joints a purge gas shall flow continuously to prevent
the formation of copper oxide on the inside surface of the joint What shall be used as a
purge gas ? - Answer-Oil - free dry Nitrogen NF
Joints shall be brazed within hours after the surfaces are cleaned for brazing - Answer-
Eight
Which of the following filler metals shall be used to braze copper- to- copper joints in
medical gas / vacuum distribution piping - Answer-BCUP series
Brazed joints shall be made using brazing alloy that exhibits a melting temperature in
excess of to retain the integrity of the piping system in the event of fire - Answer-1,000 °
F.
Which of the following piping materials shall be permitted for field installed Category 1
medical surgical vacuum distribution piping systems ? - Answer-Stainless steel pipe
The master alarm system shall activate when the main line of the vacuum system drops
to or below - Answer-12 in . Hg
The master alarm system shall activate when the pressure in the main supply lines
increase or decrease by - Answer-20 %
One of the master alarm panels shall be located in the office or work space of the
individual responsible for the maintenance of the medical gas piping system . Where
shall the other alarm be located - Answer-Area of continuous observation
What is required of the alarm system if another alarm condition occurs while the audible
alarm is silenced - Answer-Re - initiation of the audible signal
All master area and local alarm systems shall include separate and indicators for each
condition monitored . - Answer-Visual , audible
To facilitate service , testing or replacement all pressure downstream of the source
valve shall be provided with a switches and mainline gauges - Answer-Demand check
fitting
The scale range of vacuum indicators shall be gauge Hg - Answer-0-30 in
WITH COMPLETE SOLUTIONS
While brazing medical- gas copper joints a purge gas shall flow continuously to prevent
the formation of copper oxide on the inside surface of the joint What shall be used as a
purge gas ? - Answer-Oil - free dry Nitrogen NF
Joints shall be brazed within hours after the surfaces are cleaned for brazing - Answer-
Eight
Which of the following filler metals shall be used to braze copper- to- copper joints in
medical gas / vacuum distribution piping - Answer-BCUP series
Brazed joints shall be made using brazing alloy that exhibits a melting temperature in
excess of to retain the integrity of the piping system in the event of fire - Answer-1,000 °
F.
Which of the following piping materials shall be permitted for field installed Category 1
medical surgical vacuum distribution piping systems ? - Answer-Stainless steel pipe
The master alarm system shall activate when the main line of the vacuum system drops
to or below - Answer-12 in . Hg
The master alarm system shall activate when the pressure in the main supply lines
increase or decrease by - Answer-20 %
One of the master alarm panels shall be located in the office or work space of the
individual responsible for the maintenance of the medical gas piping system . Where
shall the other alarm be located - Answer-Area of continuous observation
What is required of the alarm system if another alarm condition occurs while the audible
alarm is silenced - Answer-Re - initiation of the audible signal
All master area and local alarm systems shall include separate and indicators for each
condition monitored . - Answer-Visual , audible
To facilitate service , testing or replacement all pressure downstream of the source
valve shall be provided with a switches and mainline gauges - Answer-Demand check
fitting
The scale range of vacuum indicators shall be gauge Hg - Answer-0-30 in
