Medical Gas Questions 100% Correct
Answers New Update Exam
receivers for medical air shall be equipped with ____ - ✔✔ correct answer relieve valves, automatic
& manual drains, sight glass
medical air filters shall be located immediately upstream of the___ - ✔✔ correct answer final line
regulator
medical air compressors that are designed to separate the oil-containing section from the
compression chamber shall be provided with a coalescing filter with a(n) - ✔✔ correct answer
element change indicator
medical air receivers shall be provided with a ____to permit servicing - ✔✔ correct answer three-
valve bypass
dryers, filter & regulators shall be at least duplexed. Under normal operation, airflow shall be divided
equally through each device - ✔✔ correct answer False
medical air shall be sampled at a _____ NPS valved sample port downstream of the final line
pressure regulator - ✔✔ correct answer 1/4''
Area alarm panels for medical gas systems shall indicate when line pressure in the area being
monitored increases or decreases by - ✔✔ correct answer 20%
Area alarm sensors for vital life support & critical care areas shall be located on which side of the
zone valve box assemblies? - ✔✔ correct answer Patient room side, outlet inlet side, downstream
side
A signal from each local alarm shall be connected to the master alarm panels to indicate that a
problem is present with the source equipment - ✔✔ correct answer true
A high carbon monoxide level in the medical air system shall indicate at each local alarm site. At what
level shall the alarm activate - ✔✔ correct answer 10 ppm or higher
fittings for positive pressure medical gas systems must be cleaned for oxygen service by either the
manufacturers supplier or other agency prior to installation - ✔✔ correct answer true
, Medical Gas Questions 100% Correct
Answers New Update Exam
the pressure in the main line of each medical gas system, the operation & condition of the source of
supply & the reserve source of supply & the reserve source (if any), shall be monitored at the _____
alarm. - ✔✔ correct answer master
In a bulk cryogenic liquid system when the main supply reaches an average day's supply, which alarm
system shall be activated? - ✔✔ correct answer Master
In a cylinder supplied medical gas system with reserve, which alarm system(s) will activate when, or
just before, the changeover to reserve supply occurs? - ✔✔ correct answer Master
The master alarm system shall activate when the pressure in the main supply lines increases or
decreases by______ - ✔✔ correct answer 20%
The master alarm system shall activate when the main line of the vacuum system drops to or below
_______ - ✔✔ correct answer 12 in. Hg
The medical air dew point high alarm from each compressor site will indicate at the master alarm
panels when the line pressure dew point is greater than _______ - ✔✔ correct answer +35*F
threaded joints in medical gas & vacuum distribution piping shall be limited to ______ - ✔✔ correct
answer Gages & sensors
brazed joints shall be made using a brazing alloy that exhibits a melting temperature in excess of
______ to retain the integrity of the piping system in the event fire. - ✔✔ correct answer 1000*F
Which of the following filler metal ..... used to braze copper-to-copper joints in medical gas/vacuum
distribution piping? - ✔✔ correct answer BCuP series
NFPA 99 requires tubing to be cut square using a sharp tubing cutter that shall be free from grease,
on or other lubricants, & not suitable for oxygen service . What is required of the tube ends after
cutting? - ✔✔ correct answer shall be deburred
Answers New Update Exam
receivers for medical air shall be equipped with ____ - ✔✔ correct answer relieve valves, automatic
& manual drains, sight glass
medical air filters shall be located immediately upstream of the___ - ✔✔ correct answer final line
regulator
medical air compressors that are designed to separate the oil-containing section from the
compression chamber shall be provided with a coalescing filter with a(n) - ✔✔ correct answer
element change indicator
medical air receivers shall be provided with a ____to permit servicing - ✔✔ correct answer three-
valve bypass
dryers, filter & regulators shall be at least duplexed. Under normal operation, airflow shall be divided
equally through each device - ✔✔ correct answer False
medical air shall be sampled at a _____ NPS valved sample port downstream of the final line
pressure regulator - ✔✔ correct answer 1/4''
Area alarm panels for medical gas systems shall indicate when line pressure in the area being
monitored increases or decreases by - ✔✔ correct answer 20%
Area alarm sensors for vital life support & critical care areas shall be located on which side of the
zone valve box assemblies? - ✔✔ correct answer Patient room side, outlet inlet side, downstream
side
A signal from each local alarm shall be connected to the master alarm panels to indicate that a
problem is present with the source equipment - ✔✔ correct answer true
A high carbon monoxide level in the medical air system shall indicate at each local alarm site. At what
level shall the alarm activate - ✔✔ correct answer 10 ppm or higher
fittings for positive pressure medical gas systems must be cleaned for oxygen service by either the
manufacturers supplier or other agency prior to installation - ✔✔ correct answer true
, Medical Gas Questions 100% Correct
Answers New Update Exam
the pressure in the main line of each medical gas system, the operation & condition of the source of
supply & the reserve source of supply & the reserve source (if any), shall be monitored at the _____
alarm. - ✔✔ correct answer master
In a bulk cryogenic liquid system when the main supply reaches an average day's supply, which alarm
system shall be activated? - ✔✔ correct answer Master
In a cylinder supplied medical gas system with reserve, which alarm system(s) will activate when, or
just before, the changeover to reserve supply occurs? - ✔✔ correct answer Master
The master alarm system shall activate when the pressure in the main supply lines increases or
decreases by______ - ✔✔ correct answer 20%
The master alarm system shall activate when the main line of the vacuum system drops to or below
_______ - ✔✔ correct answer 12 in. Hg
The medical air dew point high alarm from each compressor site will indicate at the master alarm
panels when the line pressure dew point is greater than _______ - ✔✔ correct answer +35*F
threaded joints in medical gas & vacuum distribution piping shall be limited to ______ - ✔✔ correct
answer Gages & sensors
brazed joints shall be made using a brazing alloy that exhibits a melting temperature in excess of
______ to retain the integrity of the piping system in the event fire. - ✔✔ correct answer 1000*F
Which of the following filler metal ..... used to braze copper-to-copper joints in medical gas/vacuum
distribution piping? - ✔✔ correct answer BCuP series
NFPA 99 requires tubing to be cut square using a sharp tubing cutter that shall be free from grease,
on or other lubricants, & not suitable for oxygen service . What is required of the tube ends after
cutting? - ✔✔ correct answer shall be deburred
