84 QUESTIONS MED GAS EXAM
QUESTIONS WITH COMPLETE
ANSWERS
In central supply systems using gas cylinders, each header shall have a __________
valve to prevent backflow and to permit service to the header.
a. Ball
b. Bypass
c. Check
d. Relief - Answer-c
Which type of connectors shall connect the medical air compressors with their intake
and outlet piping?
a. Compression fitting
b. Dielectric
c. Flexible
d. Insulated - Answer-c
WAGD networks shall provide a WAGD inlet in all locations where _____ is intended to
be administered.
a. Medical air
b. Nitrogen
c. Nitrous oxide
d. Oxygen - Answer-c
In a bulk supply system, when the cryogenic liquid reserve's contents are reduced to
one day's supply, which alarm system(s) shall be activated?
a. Area
b. Local
c. Master
d. Master and area - Answer-c
Which is a permitted use of the medical-surgical vacuum system?
a. Liquid or debris disposal
b. Non-medical or non-surgical applications
c. Vacuum steam condensate return
d. Waste anesthetic gas disposal - Answer-d
A ______ 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 cubic feet (at normal temperature and
pressure), including unconnected reserves on hand at the site.
a. Bulk oxygen
, b. High pressure maniifold
c. Micro bulk
d. Vacuum - Answer-a
The purpose of the NFPA 99 Code is to provide minimum requirements for the _____
for facilities, material, equipment, and appliances, including other hazards associated
with the primary hazards.
a. Engineering and architecture
b. Maintenance and testing
c. Performance and safe practices
d. Both B and C - Answer-d
If a nonmetallic flexible connector is being used in a category 1 health care facility to
connect the manifold to the gas distribution piping, what is the maximum length (feet)
permitted for the flexible connector?
a. 2.5 feet
b. 5 feet
c. They shall be no longer than necessary
d. The use of flexible connectors is not permitted - Answer-c
A new bulk system is to be installed at a local hospital. New, in compliance with NFPA
70, wiring will be installed underground from the initiating device to a junction box
located where the wiring first enters the building. NFPA 99 permits what minimum
number of sets of wires to connect the initiating device with the junction box for each
signal?
a. 1
b. 2
c. 3
d. 4 - Answer-a
Which of the following is an instrument air quality requirement?
a. It shall be compliant with instrument air section in ANSI/I SA S-7.0.01
b. It shall be dry to a dew point of -30 F
c. It shall be filtered to 0.7
d. It shall be compliant with medical air USP - Answer-a
Riser valves are those valves located where?
a. Adjacent to the main riser downstream of any zone valve
b. Anywhere in the lateral branches of the piping system
c. In the main line adjacent to the base of the riser
d. In the riser adjacent to the main line - Answer-d
Liquid containers shall have additional product identification (such as a 360 degree
wrap-a-round tape for medical liquid containers) visible from all directions with a
minimum of _____ high letters.
a. 1 inch
QUESTIONS WITH COMPLETE
ANSWERS
In central supply systems using gas cylinders, each header shall have a __________
valve to prevent backflow and to permit service to the header.
a. Ball
b. Bypass
c. Check
d. Relief - Answer-c
Which type of connectors shall connect the medical air compressors with their intake
and outlet piping?
a. Compression fitting
b. Dielectric
c. Flexible
d. Insulated - Answer-c
WAGD networks shall provide a WAGD inlet in all locations where _____ is intended to
be administered.
a. Medical air
b. Nitrogen
c. Nitrous oxide
d. Oxygen - Answer-c
In a bulk supply system, when the cryogenic liquid reserve's contents are reduced to
one day's supply, which alarm system(s) shall be activated?
a. Area
b. Local
c. Master
d. Master and area - Answer-c
Which is a permitted use of the medical-surgical vacuum system?
a. Liquid or debris disposal
b. Non-medical or non-surgical applications
c. Vacuum steam condensate return
d. Waste anesthetic gas disposal - Answer-d
A ______ 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 cubic feet (at normal temperature and
pressure), including unconnected reserves on hand at the site.
a. Bulk oxygen
, b. High pressure maniifold
c. Micro bulk
d. Vacuum - Answer-a
The purpose of the NFPA 99 Code is to provide minimum requirements for the _____
for facilities, material, equipment, and appliances, including other hazards associated
with the primary hazards.
a. Engineering and architecture
b. Maintenance and testing
c. Performance and safe practices
d. Both B and C - Answer-d
If a nonmetallic flexible connector is being used in a category 1 health care facility to
connect the manifold to the gas distribution piping, what is the maximum length (feet)
permitted for the flexible connector?
a. 2.5 feet
b. 5 feet
c. They shall be no longer than necessary
d. The use of flexible connectors is not permitted - Answer-c
A new bulk system is to be installed at a local hospital. New, in compliance with NFPA
70, wiring will be installed underground from the initiating device to a junction box
located where the wiring first enters the building. NFPA 99 permits what minimum
number of sets of wires to connect the initiating device with the junction box for each
signal?
a. 1
b. 2
c. 3
d. 4 - Answer-a
Which of the following is an instrument air quality requirement?
a. It shall be compliant with instrument air section in ANSI/I SA S-7.0.01
b. It shall be dry to a dew point of -30 F
c. It shall be filtered to 0.7
d. It shall be compliant with medical air USP - Answer-a
Riser valves are those valves located where?
a. Adjacent to the main riser downstream of any zone valve
b. Anywhere in the lateral branches of the piping system
c. In the main line adjacent to the base of the riser
d. In the riser adjacent to the main line - Answer-d
Liquid containers shall have additional product identification (such as a 360 degree
wrap-a-round tape for medical liquid containers) visible from all directions with a
minimum of _____ high letters.
a. 1 inch
