MED GAS FULL QUESTIONS AND CORRECT
ANSWERS ALREADY PASSED TEST BANK
●● Indoor locations for oxygen, nitrous oxide, and mixtures of these
gases shall not communicate with what locations?
Answer: Anesthetizing locations
●● Cylinders in use and in storage shall be prevented from reaching
temperatures in excess of what?
Answer: 125°F
●● What type of ventilation shall be provided for indoor supply
locations where the total volume of medical gases is greater than 3,000
ft³?
Answer: Mechanical ventilation
●● What is required downstream of each regulator or immediately
downstream of the isolating valves for the regulators?
Answer: A pressure indicator
●● Relief valves for all positive pressure supply systems shall have at
least one relief valve made of what material?
Answer: Brass, bronze, or stainless steel
,●● In central supply systems using gas cylinders, what is required at
each cylinder connection?
Answer: A check valve to prevent loss of gas in the event of damage
●● What shall manifolds for gas cylinders actuate when or just before
changeover from one header to the other?
Answer: A local signal and a master alarm indicator
●● Where shall the gas produced by evaporation from the secondary
header in a cryogenic liquid cylinder system enter the supply system?
Answer: Upstream of the final line regulator
●● What shall be installed when a bulk cryogenic liquid oxygen supply
system is outside of and remote from the building served?
Answer: An emergency oxygen supply connection
●● In-building emergency reserves shall consist of at least what
amount?
Answer: An average day's supply
●● Medical air sources shall be used only for what purpose?
Answer: Human respiratory applications
, ●● What valve shall medical air compressor systems have to isolate
each compressor for maintenance or repair?
Answer: A manual shutoff valve
●● At what level shall the pressure relief valve for medical air
compressor systems be set?
Answer: 50% above line pressure
●● What shall aftercoolers where required be provided with?
Answer: An individual condensate trap
●● What shall receivers for medical air be equipped with?
Answer: Relief valves, automatic and manual drains, and sight glasses
●● Where shall medical air filters be located?
Answer: Immediately upstream of the final line regulator
●● Medical air filters shall be sized for what capacity and efficiency?
Answer: 100% of system peak demand and 98% efficiency at 1 micron
or greater
ANSWERS ALREADY PASSED TEST BANK
●● Indoor locations for oxygen, nitrous oxide, and mixtures of these
gases shall not communicate with what locations?
Answer: Anesthetizing locations
●● Cylinders in use and in storage shall be prevented from reaching
temperatures in excess of what?
Answer: 125°F
●● What type of ventilation shall be provided for indoor supply
locations where the total volume of medical gases is greater than 3,000
ft³?
Answer: Mechanical ventilation
●● What is required downstream of each regulator or immediately
downstream of the isolating valves for the regulators?
Answer: A pressure indicator
●● Relief valves for all positive pressure supply systems shall have at
least one relief valve made of what material?
Answer: Brass, bronze, or stainless steel
,●● In central supply systems using gas cylinders, what is required at
each cylinder connection?
Answer: A check valve to prevent loss of gas in the event of damage
●● What shall manifolds for gas cylinders actuate when or just before
changeover from one header to the other?
Answer: A local signal and a master alarm indicator
●● Where shall the gas produced by evaporation from the secondary
header in a cryogenic liquid cylinder system enter the supply system?
Answer: Upstream of the final line regulator
●● What shall be installed when a bulk cryogenic liquid oxygen supply
system is outside of and remote from the building served?
Answer: An emergency oxygen supply connection
●● In-building emergency reserves shall consist of at least what
amount?
Answer: An average day's supply
●● Medical air sources shall be used only for what purpose?
Answer: Human respiratory applications
, ●● What valve shall medical air compressor systems have to isolate
each compressor for maintenance or repair?
Answer: A manual shutoff valve
●● At what level shall the pressure relief valve for medical air
compressor systems be set?
Answer: 50% above line pressure
●● What shall aftercoolers where required be provided with?
Answer: An individual condensate trap
●● What shall receivers for medical air be equipped with?
Answer: Relief valves, automatic and manual drains, and sight glasses
●● Where shall medical air filters be located?
Answer: Immediately upstream of the final line regulator
●● Medical air filters shall be sized for what capacity and efficiency?
Answer: 100% of system peak demand and 98% efficiency at 1 micron
or greater
