NFPA-99: Practice Test Questions

Under which of these conditions shall the instrument Air Reserve header cylinders be permitted to be stored with the instrument air compressor?

A) the mechanical equipment room does not contain a boiler.

B) the medical air compressors are in the same room.

C) the only motor-driven machinery in the room is for instrument air equipment.

D) the room is secured with lockable doors.

C) The only motor-driven machinery in the room is for the instrument air equipment

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 mainline adjacent to the base of the riser.

D) in the riser adjacent to the mainline.

D) In the riser adjacent to the main line

When is the initial pressure test conducted by the installer?

A) after blowdown of the distribution piping.

B) after installation of alarm sensors.

C) before blowdown of distribution piping.

D) before installation of station rough in assembly.

A) After blow-down of the distribution piping.

In those portions of systems intended to handle oxygen at pressure greater than 350 psi the inter connecting hose shall not contain what materials?

A) brass.

B) copper

C) polymeric

D) stainless steel

C) Polymeric

The tool shown here allows the installer to mechanically limit the makeup depth of the fitting to be brazed. Under what condition is this method permitted for the installation of medical gas piping?

A) only on final line connectors.

B) only on vacuum systems.

C) where only B cup 5 brazing rod is used

D) where the limited makeup depth is not less than minimum cut depth her ANSI / ASME recommendations

D) Where the limited makeup depth is not less than minimum cup depth current ANSI\ASME recommendation

What is the standard gauge pressure for nitrogen gas service?

A) 15 - 30

B) 50 - 55

C) 162 185

D) it varies with system type.

C) 50 - 55 psi

What is a NFPA 99 requirement for labeling of pipes in medical gas system?

A) color coding

B) fixed label with

C) label shall wrap completely around pipe.

D) reflective label

A) Color coding

A wireless communication device is employed in a medical gas or vacuum warning system. what type of supervision is required for this device?

A) a visual indicator Shelby located in maintenance officer or engineering department.

B) this device shall be installed at the medical gas or vacuum source.

C) this device shall be located at nurses station.

D) this device will be supervised such that failure communication shall initiate an alarm.

D) This device will be supervised such that failure of communication shall initate an alarm

In a facility where Medical Gas vacuum systems are present and the failure of such equipment or systems is likely to cause any major injury or death to patients or caregivers this system shall be designed to meet which category requirements?

A) 1

B) 2

C) 3

D) 4

A) category 1

A faculty is in the planning stages of installing an emergency oxygen service connection (ESOC). How many feet is the minimum amount of clearance required around this connection?

A) 1 foot

B) 3 feet

C) 5 feet

D) Clearance must be 1-1/2 times the width of the auxiliary.

B) 3 feet

Wooden rack for cylinder storage may be permitted under which conditions?

A) the wooden must be painted.

B) they are permitted with no set conditions .

C) they must be located in an area with fire suppression system.

D) Wooden racks are no longer permitted

D) Wooden racks are no longer permitted

If nonmetallic flexible connectors is being used in a category 1 healthcare faculty to connect to the manifold to the gas distribution piping what is the maximum length permitted for the flexible connectors?

A) 2.5 feet

B) 5 feet

C) They shall be no longer necessary

D) the use of flexible connectors is not permitted.

C) They shall be no longer necessary

What type of copper tube hanger shall be used for potentially damp locations?

A) carbon steel

B) copper coated

C) Plastic coated or insulated with material that will be non-absorbent or

D) solid copper

C) Plastic coated or insulated with material that will be non-absorbent

A patient care room is any room of health care faculty where in patients are being intended to be?

A) either admitted or discharged

B) Examined or treated

C) interviewed

D) sent for x-rays

B) Examined or treated

Oxygen cylinders in use and storage shall be prevented from reaching temperatures in excessive how many degrees Fahrenheit?

A) 100

B) 130

C) 160

D) 190

B) 130 degrees

Liquid containers shall have additional product identification such as 360 degree wrap around tape for medical liquid containers visible from all directions within a minimum of blank high letters?

A) 1 inch

B) 2 inch

C) 3 inch

D) 4 inch

B) 2 inches

What is the systems that shall not be permitted to be located in an outdoor enclosure?

A) Bulk cryogenic liquid system

B) manifolds for cryogenic liquid cylinders

C) manifolds for gas cylinders, without a reserve

D) med air compressor supply source

A) Bulk cryogenic liquid system

The final connection between new piping and existing system may be tested with the system gas and must be checked with leak detected that does not contain which of these agents?

A) acetone

B) ammonia

C) chlorine

D) freon

B) Ammonia

A book cryogenic supply containing parallel pipe duplex line regulators. What is a requirement for regulators?

A) A balanced design

B) check valves on the source side of each regulator.

C) each regulator sized for 110 percent of the peak calculated demand.

A) A balanced design

Which of these is a requirement for area alarm panels?

A) located at a nurses station and engineering department

B) monitored 24/7 continuously

C) Provide visual and audible indication or

D) provided in the area of air compressors vacuum pumps

C) Provide visual and audible indication

Excluding outdoor locations, which of these is an NFPA 99 requirement for wiring of each of two mandatory master alarms?

A) alarms shall be sent to the area alarm panel in the emergency room

B) common conductors

C) Wired independently to the initiating device for each signal

D) with out any splices

C) Wired independently to the initiating device for each signal

What sort of treatment shall be permitted for brazing the cut ends of a tube to be installed in medical gas pipe system?

A) a argon gas purge must be done

B) Cut in maybe rolled smooth or be deburred

C) extensions need to be added for brazing

D) treatment is NOT required, they may be brazed, AS IS.

B) Cut in maybe rolled smooth or be deburred

A new bulk system is to be installed.In compliance with NFPA 70 the new wiring is being run installed underground from initiating device to a junction box located where the wiring first enters the building. NFPA 99 permits what minimum number of sets of wire to connecting the initiating device with a junction box for each signal?

A) 1

B) 2

C) 3

D) 4

B) 2

In an emergency oxygen supply connection the check valve required to be constructed of which of the following materials?

A) Brass, bronze, or stainless steel

B) brass, bronze

C) materials per the E.O.S.E. manufacturers recommendations

D) NFPA 99 does not establish any material requirements for these check valves.

A) Brass, bronze, or stainless steel

Metallic flexible joints are being used in the pipeline for vibration control. What is NOT, required for such a joints?

A) able tho withstand 1000 degrees

B) provide brazing extensions to allow brazing in to the pipe line.

C) received on the job site with certification of cleanliness or

D) Suitable for service at 150, p.s.i. or above

D) this is not Suitable for service at 150, p.s.i. or above

How many hours must medical air compressor system be operating normally before air quality test can be performed?

A) 4

B) 8

C) 12

D) 32

C) 12 hours

Who shall witness the installer perform both standing pressure test and standing vacuum test?

A) installation contractor superintendent.

B) Medical Gas verifier

C) The authority having jurisdiction or its designee

D) a witness is not required

C) The authority having jurisdiction or its designee

Central supply system for which type of gas storage required specialized knowledge and consideration of the information in the NFPA 55 for locating installing an inspection?

A) bulk gases

B) carbon dioxide

C) nitrous oxide

D) argon

A) Bulk gases

The medical air compressor intakes shall be located a minimum of how many feet from any exhaust or intake?

A)10 feet

B) 12 feet

C) 15 feet

D) 25 feet

D) 25 feet

A valve installed in each medical gas in vacuum piping system shall be tested to verify which of the following?

A) date of installation

B) flow and pressure drops.

C) pressure range.

D) proper operation in rooms or areas of control.

D) Proper operation and rooms or areas of control

Which of the following fittings is not, permitted for joining vacuum distribution pipeline systems?

A) axially swaged.

B) memory metal.

C) non-removable push-fit.

D) welded

C) Non-removable push fitting

The installer shows documentation of the initial pressure test for the vacuum system was conducted at 50 psi. At what pressure should installer have performed his test?

A) 30 in hg.

B) 30 p.s.i.

C) 60 p.s.i.

D) 150 p.s.i.

D) 150 psi for 24 hours

Which of the following is requirement for configuration of zone valve boxes?

A) located in the room it serves.

B) locked so that the valves are inaccessible to the public.

C) placed such that wall intervenes between the valves and the inlets / outlets they control.

D) serves inlet / outlets located on two or more floors.

C) Placed such that wall intervenes between the valve and inlet / outlets they control

In in in building emergency reserve system is provided as a substitute for the (ESOC), it shall be located in a room or enclosure constructed with materials rated such that all walls, floors, ceilings and doors are of minimum blank fire resistance?

A) 1.

B) 2.

C) 3.

D) 4.

A) 1 hour

Medical air sources shall be used only for blank and human respiratory?

A) Air operating devices.

B) calibration of medical respiratory devices.

C) disinfecting tools.

D) instrument air.

B) Calibration of medical respiratory devices

what is required downstream of each regulator or immediately downstream of the isolating valves for the regulators?

A) ball valve.

B) demand check fitting.

C) final line filters.

D) pressure indicator.

D ) Pressure indicator

All pressure relief valve shall be made of what material other than brass or bronze?

A) carbon steel.

B) cast iron.

C) copper.

D) stainless steel

D) Stainless steel

Central supply systems using gas cylinders, each header shall have what valve to prevent backflow and to permit service to the header?

A) ball.

B) bypass.

C) check.

D) relief.

C) Check

Manifolds for gas cylinders shall actuate a Blank signal and shall activate an indicator at all blank alarm panels to indicate when or just before changeover from one header to the other?

A) area; master.

B) local ; master.

C) master; area.

D) master; local.

B) Local and master

The reserve header in a cryogenic liquid cylinder manifolds system shell has significant cylinder connections for an average day supply, but not fewer than how many connections?

A) 1.

B) 2.

C) 3.

D) 4.

B) 2

The gas produced by evaporation from the secondary header in a cryogenic liquid cylinder system shall enter the supply system blank of the final line regulator?

A) downstream.

B) upstream.

C) upstream of the filter.

D) NFPA 99 does not specify a requirement.

B) Upstream

Which type of connectors shall connect the medical air compressor with air intake and outlet piping?

A) compression fitting.

B) dielectric.

C) flexible.

D) insulated

C) Flexible

Where liquid ring compressors are used, air receiver shall be equipped with a high water level sensor that activates a what alarm indicator?

A) area.

B) local.

C) master.

D) pressure.

B) Local

Where compressors that separate the oil containing section from the compression chamber are used, each compressor Shall be monitor for which of the following?

A) gaseous hydrocarbons.

B) high temperature.

C) liquid hydrocarbons.

D) both A&B.

C) Liquid hydrocarbons

Which source shall not be used to power vinturi of a wagd system?

A) inert gas.

B) instrument air.

C) medical air.

D) water.

C) Medical air

Instrument air system shall activate an alarm Systems when the dew point at system pressure exceeds how many degrees Fahrenheit?

A) -20 degrees.

B) -22 degrees.

C) -24 degrees.

D) -26 degrees.

B) -22 Fahrenheit

With the approval of the authority having jurisdiction, in which areas shall the shutoff valve be permitted to be secured to prevent inappropriate access?

A) anesthetizing.

B) critical care.

C) maternity.

D) pediatric.

D) Pediatric

In a non anesthetizing area , on which side of a zone valve shall the pressure/vacuum sensor be located?

A) station outlets / inlets.

B) source side.

C) upstream side.

D) NFPA 99 does not specify a requirement.

A) Station outlet / inlet

What is a requirement for each station outlets / inlet for medical gas?

A) gas specific.

B) interchangeable.

C) quick coupler.

D) threaded.

A) it shall be Gas specific

Factory installed tubes on station inlets shall not be less than what size with 0.4 inch minimum inside diameter?

A) 1/8 inch N.P.S.

B) 1/4 inch.N.P.S.

C) 3/8 inch N.P.S.

D)1/2 inch N.P.S.

B) Quarter inch N.P.S.

What networks shall provide a wagd Inlet in all locations where what is intended to be administered?

A) med air.

B) nitrogen.

C) nitrous oxide.

D) oxygen.

D) Nitrous oxide

In a bulk supply system, when the cryogenic liquid reserves contents are reduced - 1 day supply, which alarm systems shall be activated?

A)area.

B) local.

C) master.

D) master and area.

C) Master alarm

What is the purpose of using A oxygen analyzer the pipeline purged prior to breathing?

A) assure that ambient air has been removed from the pipeline.

B) maintain a nitrogen atmosphere at least 95% with the piping system.

C) provide continuous monitoring during the verification test.

D) reduce the oxygen concentration below 5% or brazing.

A) To ensure that all ambient air has been removed from the pipeline

Performance qualification of brazzers shall remain in effect indefinitely unless prazer does not brave with a qualified procedure for longer than what period of time?

A) 6 months.

B) 12 months.

C) 18 months.

D) 24 months

A) 6 months

Pipe labels shall be located at the maximum inverse of how many feet?

A) 10.

B) 15.

C) 20.

D) 25.

C) 20 feet

The standing pressure test for positive pressure medical gas piping shall be conducted with the source valve closed and the vacuum system subjected to which test time and pressure?

A) 8 hours at 150 psi.

B) 8 hours at 20% above operating pressure.

C) 24 hours at 150 psi.

D) 24 hours at 20% above normal operating pressure.

D) 24 hours at 20% above normal operating pressure

The installation of medical gas and vacuum systems shall be made by experienced, qualified and competent installers. Installer shall meet the requirements of which code / standard?

A) ASME Section 1x.

B) ASSE Standard 6010.

C) AWS B31.3 ,

D) CGA M-1.

B) ASSE standard 6010

The removal of components within a source system for repair and reinstallation or for replacement shall be treated as new work for the purpose of testing whenever such work involves which of the following?

A) air quality monitoring.

B) calibration of alarm systems.

C) cutting and/or brazing new pipe.

D) system control systems.

C) Cutting and/or brazing new piping

What is a permitted use of medical-surgical vacuum systems?

A) liquid or debris disposal.

B) non medical or non surgical applications.

C) vacuum steam condensate return.

D) waste anesthetic gas disposal.

D) Waste anesthetic gas disposal (WAGD)

What would not breach the vacuum system?

A) addition of system component.

B) removal of system component.

C) replacement of system components with identical one.

D) testing a system component with leak detection solution.

C) Replacement of system component within indentical one

Audible and visual alarm indicator show me which of the following requirements?

A) GCA C-7,

B) individual indicators shall not be less than dn20 size,

C) testing to determine indicator function should be scheduled periodically and records maintained between testing.

D) the steps between two operating the test button periodically and report malfunctions.

C) Testing to determine indicator function should be scheduled periodically and recorded maintained between testing

Except for zone in future valves, all valves she'll be located in in a secure area such as locked pipe chases or be?

A) in a location approved by A.H.J.,

B) latched or locked in operating position.

C) physician near security personnel.

D) both A & C are correct.

B) In a location approved by the authority having jurisdiction, latched or locked in operating position

A medical gas master or area alarm panel should be set to accurate a blank indicator when the communication with an alarm initiating device is disconnected?

A) audible.

B) audible and visual.

C) high and low.

D) visual.

B) Audible and visual

An existing system that is not in strict compliance with the provisions of this standard shall be permitted to continued in use as long as what following conditions are met?

A) the A.H.J. has determined that such does not constitute a distinct health of life.

B) the chief administrator of the Faculty has determined that such use does not consist distinct hazard of life.

C) the proper notice is posted.

D) such a system shall not be permitted to continue in use.

A) The authority having jurisdiction has determine that such use does not constitute a distinct hazard to life

Medical Gas central supply systems are not permitted to be located where?

A) in an unlocked location.

B) in the same storage faculty as medical gas cylinders.

C) outdoors.

D) remote from the medical gas system use points.

B) Outdoors

What is a requirement for each station inlet?

A) the main vacuum line.

B) a primary optional in line.

C) a primary valve.

D) is secondary demand valve.

A) A main main vacuum line

What of the following is an instrument air quality requirements?

A) it shall be compliant with instrument air section in ANSI / ISA S-7.0.01 ,

B) shall be dry to a dew point of -30 Fahrenheit.

C) shall be filtered 0.7.

D) shall be compliant with medical air U.S.P.

A) It shall be compliant with instrument air section ANSI/ISA S-7.0.01.

Things valve in other components for oxygen use in a category 1 distribution system Shall ____ until prepared for installation?

A) delivered sealed, label, and kept sealed.

B) kept at a minimum inventory level.

C) plugged or capped by the manufacturer.

D) stored in a locker room for secure facility.

C) Shall be plugged and capped by the manufacturer

A standard gauge pressure of 160 / 185 psi applies to?

A) instrument air.

B) Laboratory air.

C) Laboratory vacuum.

D) non-medical air.

A) Instrument air

Vacuum piping for What shall be connected separately from the medical surgical system directly to the receiver tank through its own isolation valve in fluid trap located at the receiver?

A) a location required seismic restraint.

B) a teaching laboratory.

C) each W.A.G.D. system.

D) the standing vacuum test.

C) Each wagd system

NFPA 99 specifies that the medical gas system shall be protected against all except?

A) combustible liquids.

B) corrosion.

C) freezing.

D) physical damage.

A) Combustible liquids

Level 1 support gases carry which of these additional hazards?

A) asphyxiation.

B) higher pressures.

C) more highly explosive.

D) hazards are no different than with any other piped medical gases.

C) More highly explosive

Where medical gas systems operate at pressures other than the standard gauge pressures, what is required to be listed on the stations outlet identification?

A) guest registration number and a toll free number to call information.

B) name of gas.

C) non standard operating pressure.

D) both B&C.

D) B and C The name of the gas, and the non standard operating pressure

The section or portions of piping systems that serve a room or group of rooms on the same story of the faculty. This is the definition of which of the following?

A) branch lines.

B main lines.

C) risers.

D) vent lines.

A) Branch lines

The vertical pipe that connects the system main lines with the branch lines on the various levels of the faculty . What is the definition of this line?

A)L branch lines.

B) main lines.

C) risers.

Vent lines.

C) Riser

A blank system is an assembly of equipment such as storage containers , pressure regulators, pressure relief devices, vaporizers, manifold, and interconnecting piping that has storage capacity of more than 20,000 cubic feet including unconnected reserves on hand at the site?

A) bulk oxygen.

B) high pressure manifold.

C) Micro bulk.

D) vacuum.

A) Bulk oxygen

A low pressure, vacuum insulated vessel containing gases in liquid form. This is an NFPA 99 definition for which of the following?

A) appliance.

B) container.

C) cylinder.

D) safety can.

C) Cylinders

Compressed gas cylinders must What following criteria in order to be acceptable for use in acute Healthcare faculty?

A) be appropriately color coded in accordance with U. S. D. A.

B) be appropriately identified by attach labels or stencils in accordance with CGA C-7 criteria.

C) be constructed in accordance with the specifications and regulations of OSHA.

D) utilized a specific C. G. A. Connections.

B) Be approximately identified by attached labels or stencils in accordance with CGA C - 7

Manufactured assemblies for medical gas system employee flexible hoses shall use flexible connectors with the minimum first gauge pressure of how many psi?

A) 200 p.s.i.,

B) 400 p.s.i.,

C) 800 p.s.i.,

D) 1000 p.s.i.

D) 1000 psi

The purpose of the NFPA 99 code is to provide minimum requirements for the blank for faculties, material, equipment, and appliances including other hazards associated with primary hazards?

A) engineering and architecture.

B) maintenance and testing.

C) performance and safety practices.

D) Both B&C.

D) both B and C, Maintenance and testing, performance and safety practices

After completion of all installer perform tests which of the following methods shall be used to determine that no cross connection exist?

A) individual pressurization.

B) pressure differential.

C) both A&B.

D) either A or B.

D) either A or B. It is either individual pressurization or pressure differential

When testing outlets / inlets, you must use which of the components?

A) gas specific adapters described by the manufacturer.

B) your changeable outlet / inlet adapters.

C) miscellaneous fittings as required.

D) o rings / seals.

A) Gas specific adapters described by the manufacturer

Openings for medical gas work she'll be kept separate from other tools, and kept free of grease or oil. If cleaned, only degrees are such as blank is permitted?

A) the natural citrus solvent cleaner / degreaser.

B) group or gojo hand cleaner.

C) trisodium phosphate or sodium carbonate.

D) water.

C) Trisodium phosphate or sodium carbonate

ASSE 6000 annex J provides "recommended guidelines for conducting planned medical gas system shutdown and temporary backfeed" annex j. guidelines do not include a list of responsibilities for what type of workers?

A) installers.

B) Medical Gas generalist.

C) shutdown coordinator.

D) verifier.

B) Medical Gas generalist

According to the NFPA, an oxygen enriched atmosphere is one where the concentration of the oxygen exceeds what percentage?

A) 23.5%.

B) 25.5%.

C) 30%.

D) 99%.

23.5%

In assembly of equipment that holds the capacity of oxygen greater than blank is defined as bulk oxygen system?

A) 3000 foot.

B) 10000 foot.

C) 20000 foot.

D) 28000 foot.

D) 20000 foot

What is true a category 1 support gases?

A) permitted to power medical / surgical tools.

B) subject to greater hazards then present in other piped gases.

C) use for respiration.

D) both A) and C)

A ) Permitted to power medical / surgical tools

Station outlets / inlet shall be identified as what for the specific gas?

A) chemical symbol.

B) name.

C) name or chemical symbol.

D) piping type.

C) Name or chemical symbol

A non document in which the main text contains only mandatory provisions. Non-mandatory provisions are located in the appendix or the Annex. This is that NFPA 99 definition for which of the following?

A) code.

B) guide.

C) reference.

D) standard.

D) It is the standard

What does it mean when equipment, material, or services are shown as listed?

A) they are identified and published by organization that is acceptable by the A. H. J.

B) they have been found tolerable for the purpose described in the manufacturer's specifications.

C) they have been tested and approved by the construction supervisor.

D) they have been tested by a medical gas verifier.

A) They are identified and published by an organization that is acceptable to the authority having jurisdiction

When brazing, joint shall be consistently purged with oil free, dry nitrogen N.F. to prevent the formation of blank on the inside surfaces of the joint?

A) copper oxide.

B) crystallization.

D) polymeric materials.

D) volatilized liquids.

A) Copper oxide

Which of the following conditions must be met or medical gas and vacuum systems are installed by non-certified personnel?

A) uninstaller certified to ASSE 6010 must be present to oversee the installation work.

B) an inspector certified to ASSE 6020 is present on the job site to inspect the installation installers work.

C) the installer must be an employee of an authorized medical gas contractor and only while uninstaller certified to ASSE 6010 oversees the installation work.

D) The installation by any other than 6010 certified personnel is not permitted.

D) The installation by any other than 6010 certified personnel is not permitted.