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NFPA 99 6040 practice set Questions and Answers Verified 100% Correct

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NFPA 99 6040 practice set Questions and Answers Verified 100% Correct The entrance to indoor locations containing positive pressure gases other than oxygen and medical air shall be labeled including: ______________ A Positive Pressure Gases B No Smoking or Open Flame C Room May Have Insufficient Oxygen - Open Door and Allow Room to Ventilate Before Entering D All of the above - ANSWER -All of the above If heat is necessary to keep an indoor manifold enclosure above 20oF and the manufacturer's recommended minimum ambient temperature it may be provided by: A Any in-room electric heating element B In-room heating element with a maximum temperature of 266oF C Fuel fired equipment in the room D Heat blanket with maximum temperature of 300oF - ANSWER -In-room heating element with a maximum temperature of 266oF Two entries/exits are required for ___________________ gas supplies. A Outdoor Cryogenic Gas Supplies only B Outdoor Cylinder Gas Supplies in an enclosure >200ft2 only C Indoor Gas Supplies only D Both A & B - ANSWER -Both A & B An existing outdoor Nitrous Oxide Manifold may continued to be used since it seldom falls below 20oF. A TRUE B FALSE - ANSWER -FALSE Indoor manifold rooms must be separated by ______ fire rated walls and floors with a ______ opening. A 1 hour, 1 hour B 2 hour, 1 hour C 1 hour, 3/4 hour D No wall fire rating is required - ANSWER -1 hour, 3/4 hour Only full or in-use cylinders are required to be prevented from falling by being secured with racks, chains, or other fastenings. Empty cylinders are not required to be secured. A TRUE B FALSE - ANSWER -FALSE Oxygen supplies greater than 350 psig may not use _______________ materials. A Copper B Stainless Steel C Polymeric D Brass - ANSWER -Polymeric Gas supply source relief valve vent lines must be labeled ____________. A with the proper pressure in psig B with medical gas pipe labels C by painting the correct CGA color D in a manner to distinguish them from medical gas pipeline - ANSWER -in a manner to distinguish them from medical gas pipeline Manifold rooms utilizing natural ventilation shall A have 2 non-closeable louvered openings B be vented directly to the outside without ductwork C provide cross ventilation D all of the above - ANSWER -all of the above Indoor manifold enclosures utilizing mechanical ventilation shall maintain positive pressure A TRUE B FALSE - ANSWER -FALSE A gas cylinder header consists of all of the following components with the exception of: A Filter B Pressure Indicator C Local alarm D Regulator - ANSWER -Local alarm A header for cryogenic liquid containers must have a ________________. A pressure relief valve B purge ports C quick disconnect D none of the above - ANSWER -pressure relief valve A __________ must be installed at the connection between the header and each cylinder lead (pigtail) to prevent a single pigtail leak from causing pressure loss of all cylinders connected to that same header. A Warning light B Local Alarm C Gauge D Check Valve - ANSWER -Check Valve Full and empty cylinder storage may not be in the same enclosure as a central supply system (medical or support gas manifold). A TRUE B FALSE - ANSWER -FALSE Permitted areas for piped medical gases outlets include all of the following with exception of: A Direct Respiration by a Patient B Calibration of patient respiration devices C Endoscopy or Sterile Processing Instrument Blow Down D Simulation centers for education of health care professionals - ANSWER Endoscopy or Sterile Processing Instrument Blow Down An auxiliary valve source connection must consist of all of the following except: A Installed on the source side (upstream) of the source valve B Must the same size as the main line C Include a removable plug or cap D Must be normally closed and secured - ANSWER -Installed on the source side (upstream) of the source valve Facilities may supply ______________ through a Concentrator Supply Source. A USP 93 Oxygen B 99% Oxygen Only C Compressed Medical Air D Nitrous Oxide - ANSWER -USP 93 Oxygen The primary and secondary headers for a gas cylinder manifold must each have an equal number of cylinders. A TRUE

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Uploaded on
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NFPA 99 6040 practice set Questions and
Answers Verified 100% Correct
The entrance to indoor locations containing positive pressure gases other than
oxygen and medical air shall be labeled including: ______________
A Positive Pressure Gases
B No Smoking or Open Flame
C Room May Have Insufficient Oxygen - Open Door and Allow Room to
Ventilate Before Entering
D All of the above - ANSWER -All of the above

If heat is necessary to keep an indoor manifold enclosure above 20oF and the
manufacturer's recommended minimum ambient temperature it may be provided
by:
A Any in-room electric heating element
B In-room heating element with a maximum temperature of 266oF
C Fuel fired equipment in the room
D Heat blanket with maximum temperature of 300oF - ANSWER -In-room
heating element with a maximum temperature of 266oF

Two entries/exits are required for ___________________ gas supplies.
A Outdoor Cryogenic Gas Supplies only
B Outdoor Cylinder Gas Supplies in an enclosure >200ft2 only
C Indoor Gas Supplies only
D Both A & B - ANSWER -Both A & B

An existing outdoor Nitrous Oxide Manifold may continued to be used since it
seldom falls below 20oF.
A TRUE
B FALSE - ANSWER -FALSE

Indoor manifold rooms must be separated by ______ fire rated walls and floors
with a ______ opening.
A 1 hour, 1 hour
B 2 hour, 1 hour
C 1 hour, 3/4 hour
D No wall fire rating is required - ANSWER -1 hour, 3/4 hour

, Only full or in-use cylinders are required to be prevented from falling by being
secured with racks, chains, or other fastenings. Empty cylinders are not required to
be secured.
A TRUE
B FALSE - ANSWER -FALSE

Oxygen supplies greater than 350 psig may not use _______________ materials.
A Copper
B Stainless Steel
C Polymeric
D Brass - ANSWER -Polymeric

Gas supply source relief valve vent lines must be labeled ____________.
A with the proper pressure in psig
B with medical gas pipe labels
C by painting the correct CGA color
D in a manner to distinguish them from medical gas pipeline - ANSWER -in a
manner to distinguish them from medical gas pipeline

Manifold rooms utilizing natural ventilation shall
A have 2 non-closeable louvered openings
B be vented directly to the outside without ductwork
C provide cross ventilation
D all of the above - ANSWER -all of the above

Indoor manifold enclosures utilizing mechanical ventilation shall maintain
positive pressure
A TRUE
B FALSE - ANSWER -FALSE

A gas cylinder header consists of all of the following components with the
exception of:
A Filter
B Pressure Indicator
C Local alarm
D Regulator - ANSWER -Local alarm

A header for cryogenic liquid containers must have a ________________.
A pressure relief valve
B purge ports

, C quick disconnect
D none of the above - ANSWER -pressure relief valve

A __________ must be installed at the connection between the header and each
cylinder lead (pigtail) to prevent a single pigtail leak from causing pressure loss of
all cylinders connected to that same header.
A Warning light
B Local Alarm
C Gauge
D Check Valve - ANSWER -Check Valve

Full and empty cylinder storage may not be in the same enclosure as a central
supply system (medical or support gas manifold).
A TRUE
B FALSE - ANSWER -FALSE

Permitted areas for piped medical gases outlets include all of the following with
exception of:
A Direct Respiration by a Patient
B Calibration of patient respiration devices
C Endoscopy or Sterile Processing Instrument Blow Down
D Simulation centers for education of health care professionals - ANSWER -
Endoscopy or Sterile Processing Instrument Blow Down

An auxiliary valve source connection must consist of all of the following except:
A Installed on the source side (upstream) of the source valve
B Must the same size as the main line
C Include a removable plug or cap
D Must be normally closed and secured - ANSWER -Installed on the source side
(upstream) of the source valve

Facilities may supply ______________ through a Concentrator Supply Source.
A USP 93 Oxygen
B 99% Oxygen Only
C Compressed Medical Air
D Nitrous Oxide - ANSWER -USP 93 Oxygen

The primary and secondary headers for a gas cylinder manifold must each have an
equal number of cylinders.
A TRUE
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