MEDICAL GAS TEST | Verified Exam Questions and Answers | Latest
Updated Study Material 2026
Question:
1. The installer shows documentation that the initial pressure installer test for the vacuum
conducted at 50 psi . At what gauge pressure should have performed
Answer:
150 psi
Question:
In those portions of systems intended to handle oxygen at pressures greater than 350 psi, the
interconnecting hose shall not contain
Answer:
Polymeric materials
Question:
Which of these is a requirement for area alarm panels?
Answer:
Provide
visual and audible indication
Question:
When is the initial pressure test conducted by medical gas installer on a nitrous oxide system?
Answer:
After blowdown of distribution piping
Question:
The complete source of supply for a medical gas or vacuum system, system, or a medical support
gas system?
Answer:
Central supply system
Question:
The vertical pipes connecting the system, main lines with the branch lines on the various levels
of the facility. This is the definition of which of the following?
,Answer:
Risers
Question:
Which type of medical gas has an oxygen concentration of greater than or equal to 90% less than
or equal to 96%
Answer:
Oxygen 93 USP
Question:
A blank system is an assembly of equipment such as storage containers pressure, regulators
pressure, relief devices vaporizers, manifolds and interconnecting piping that has a storage
capacity of more than 20,000 ft.³ at normal temperature and pressure including unconnected
reserves on hand at the site
Answer:
Bulk oxygen
Question:
Which of the following is not a requirement for station inlets/outlets?
Answer:
Station outlets shall not be permitted to use nonstandard operating pressures
Question:
A document in which the main tax contains only mandatory provisions, non-mandatory
provisions are located in the appendix or the annex. This is the NFPA 99 definition for which of
the following?
Answer:
Standard
Question:
In an emergency oxygen supply connection a check valves are required to be constructed of
which of the following materials?
Answer:
Materials per the EOSC
manufacturers recommendations
, Question:
Which source shall not be used to power the Venturi of a WAGD system?
Answer:
Medical air
Question:
A cryogenic fluid central supply system contains parallel, piped, duplex, line regulators, which
of the following is the requirement for controls of line pressure?
Answer:
A balanced design
Question:
Which of the following is a requirement for the configuration of a zone valve?
Answer:
Placed such that a wall intervenes between the vowels and the inlet/outlets
they control
Question:
If fittings that were cleaned for oxygen service by the manufacturer become contaminated at the
point of installation, which of the following remedies is allowed?
Answer:
Permitted to re-clean the interior of the fitting using trisodium phosphate, or
sodium carbonate solution with potable water
Question:
When brazing joints shall be continuously, purged with oil, free dry nitrogen, NF to prevent the
formation of on the inside services of the joint
Answer:
Copper
oxide
Question:
The reserve header and a cryogenic liquid cylinder manifold system. Should I have a sufficient
cylinder connections for one average day supply, but not fewer than how many connections?
Answer:
Three
Updated Study Material 2026
Question:
1. The installer shows documentation that the initial pressure installer test for the vacuum
conducted at 50 psi . At what gauge pressure should have performed
Answer:
150 psi
Question:
In those portions of systems intended to handle oxygen at pressures greater than 350 psi, the
interconnecting hose shall not contain
Answer:
Polymeric materials
Question:
Which of these is a requirement for area alarm panels?
Answer:
Provide
visual and audible indication
Question:
When is the initial pressure test conducted by medical gas installer on a nitrous oxide system?
Answer:
After blowdown of distribution piping
Question:
The complete source of supply for a medical gas or vacuum system, system, or a medical support
gas system?
Answer:
Central supply system
Question:
The vertical pipes connecting the system, main lines with the branch lines on the various levels
of the facility. This is the definition of which of the following?
,Answer:
Risers
Question:
Which type of medical gas has an oxygen concentration of greater than or equal to 90% less than
or equal to 96%
Answer:
Oxygen 93 USP
Question:
A blank system is an assembly of equipment such as storage containers pressure, regulators
pressure, relief devices vaporizers, manifolds and interconnecting piping that has a storage
capacity of more than 20,000 ft.³ at normal temperature and pressure including unconnected
reserves on hand at the site
Answer:
Bulk oxygen
Question:
Which of the following is not a requirement for station inlets/outlets?
Answer:
Station outlets shall not be permitted to use nonstandard operating pressures
Question:
A document in which the main tax contains only mandatory provisions, non-mandatory
provisions are located in the appendix or the annex. This is the NFPA 99 definition for which of
the following?
Answer:
Standard
Question:
In an emergency oxygen supply connection a check valves are required to be constructed of
which of the following materials?
Answer:
Materials per the EOSC
manufacturers recommendations
, Question:
Which source shall not be used to power the Venturi of a WAGD system?
Answer:
Medical air
Question:
A cryogenic fluid central supply system contains parallel, piped, duplex, line regulators, which
of the following is the requirement for controls of line pressure?
Answer:
A balanced design
Question:
Which of the following is a requirement for the configuration of a zone valve?
Answer:
Placed such that a wall intervenes between the vowels and the inlet/outlets
they control
Question:
If fittings that were cleaned for oxygen service by the manufacturer become contaminated at the
point of installation, which of the following remedies is allowed?
Answer:
Permitted to re-clean the interior of the fitting using trisodium phosphate, or
sodium carbonate solution with potable water
Question:
When brazing joints shall be continuously, purged with oil, free dry nitrogen, NF to prevent the
formation of on the inside services of the joint
Answer:
Copper
oxide
Question:
The reserve header and a cryogenic liquid cylinder manifold system. Should I have a sufficient
cylinder connections for one average day supply, but not fewer than how many connections?
Answer:
Three
