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Quiz am Med Gas Pre Test, erstellt von brandon_c28 am 16/01/2014.

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Med Gas Pre Test

Frage 1 von 73

1

How many egresses (exits) gates are required for outdoor enclosures containing medical gas supply systems?

Wähle eine der folgenden:

  • 1

  • 2

  • 3

  • NFPA 99 does not state a requirement

Erklärung

Frage 2 von 73

1

A positive pressure supply system has duplex line regulators piped in parallel. Which of these is NOT a requirement for the regulators?

Wähle eine der folgenden:

  • Constructed of any materials deemed suitable by the manufacturer for the service.

  • Each regulator sized for 110 percent of peak calculated demand

  • Isolation or check valves on the patient side of the regulators

  • Isolation valves on the source side of each regulator

Erklärung

Frage 3 von 73

1

What is the standard vacuum pressure for WAGD?

Wähle eine der folgenden:

  • 50-55 PSI

  • 345-380 kPa

  • 380 mm to 760 mm

  • It varies with the type of system

Erklärung

Frage 4 von 73

1

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

Wähle eine der folgenden:

  • Date of installation

  • Flow and pressure drops

  • Pressure range

  • Proper operation and rooms or areas of control

Erklärung

Frage 5 von 73

1

Brazing procedures and brazer performance for the installation of med gas and vacuum piping shall be qualified in accordance with which ?

Wähle eine der folgenden:

  • ASME section IX

  • ASSE standard 6010

  • ASTM B828

  • AWS B313

Erklärung

Frage 6 von 73

1

A new bulk system is to be installed at a local hospital; therefore, new wiring from the local panel on the bulk must be run underground to the entry point of the facility. At a minimum, how many sets of wires for each signal are allowable between the initiating device at the bulk and junction box located in the facility?

Wähle eine der folgenden:

  • 1 or 2

  • 1 or 3

  • 2 or 3

  • 2 or 4

Erklärung

Frage 7 von 73

1

Which are may be acceptable to communicate with indoor central supply sources of oxygen, nitrous oxide, or mixtures of these gasses?

Wähle eine der folgenden:

  • An in-building emergency reserve location

  • Anesthetizing location

  • Areas of open flame

  • Kitchen

Erklärung

Frage 8 von 73

1

Medical Gas Systems shall be deemed breached at the point of pipeline intrusion ___ or by system component removal, or addition.

Wähle eine der folgenden:

  • Closing of Valve

  • Cylinder change out

  • Physical separation

  • Testing

Erklärung

Frage 9 von 73

1

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

Wähle eine der folgenden:

  • Installation contractor superintendent

  • Medical gas verifier

  • The authority having jurisdiction or its designee

  • A witness is not required

Erklärung

Frage 10 von 73

1

A medical air compressor intake piping shall be located a minimum of how many feet from any vent?

Wähle eine der folgenden:

  • 10

  • 12

  • 15

  • 25

Erklärung

Frage 11 von 73

1

Nitrous Oxide portable containers shall be prevented from reaching temperatures lower than how many degrees Fahrenheit?

Wähle eine der folgenden:

  • 20

  • 0

  • Minus 20

  • Minus 29

Erklärung

Frage 12 von 73

1

Medical air quality monitoring for dew point shall activate a local alarm and ___ when dew point at system pressure exceeds ____ degrees Fahrenheit.

Wähle eine der folgenden:

  • A local alarm and area alarm; +39

  • All master alarms; +35

  • All master alarms; +39

  • All master alarms; +41

Erklärung

Frage 13 von 73

1

Which gas or vacuum system is considered a medical support gas?

Wähle eine der folgenden:

  • Carbon dioxide

  • Medical air

  • Nitrogen

  • WAGD

Erklärung

Frage 14 von 73

1

Which of these is an acceptable location for the exhaust of medical vacuum?

Wähle eine der folgenden:

  • Away from public places

  • Indoors

  • Next to medical air intake

  • Underground

Erklärung

Frage 15 von 73

1

If copper tube in medical gas system is to be joined using memory metal fittings having a temperature rating of 1000 degrees Fahrenheit the fittings must have a pressure rating of not less than how many psi?

Wähle eine der folgenden:

  • 150

  • 300

  • 500

  • These fittings do not meet the temperature requirement for joining copper tube

Erklärung

Frage 16 von 73

1

Medical gas piping shall be labeled by ____ identifying it as a patient medical gas, the support gas, or the vacuum system.

Wähle eine der folgenden:

  • Color coding each valve

  • Hang-tags every 20' and in each room

  • Painting the entire piping system

  • Stenciling or adhesive markers

Erklärung

Frage 17 von 73

1

Non-certified personnel are permitted to install a category 3 piped med-gas delivery system only under which of these conditions?

Wähle eine der folgenden:

  • The installing contractor is certified

  • when the foreman is certified

  • when working directly with an ASSE 6010 certified installer

  • This is never permitted

Erklärung

Frage 18 von 73

1

Nitrous Oxide source supplies shall be prevented from reaching temperatures lower than how many degrees Fahrenheit?

Wähle eine der folgenden:

  • +32

  • +20

  • -20

  • -22

Erklärung

Frage 19 von 73

1

Central supply systems for _____, located outside of a facility with a total capacity connected and in storage of 20,000 cu ft or more at standard temperature and pressure, shall comply with NFPA 55.

Wähle eine der folgenden:

  • Carbon dioxide

  • Nitrous oxide

  • Oxygen

  • Storage

Erklärung

Frage 20 von 73

1

According to NFPA 99, electrical devices in manifold rooms must be elevated at least how many feet off the floor to protect them from damage?

Wähle eine der folgenden:

  • 2

  • 3

  • 5

  • There is no height requirement

Erklärung

Frage 21 von 73

1

Which of these is a requirement when patient medical gasses are piped into areas where their use would not be under supervision of a licensed clinician using them for a purpose clearly relevant to patient treatment?

Wähle eine der folgenden:

  • The outlets for such piping must clearly indicate "NOT FOR PATIENT USE"

  • The piping must be clearly labeled "NOT FOR PATIENT USE"

  • This arrangement is only permitted where defined risk assessment has determined the facility to be a category 3

  • Patient medical gasses are NOT permitted to be piped in such areas

Erklärung

Frage 22 von 73

1

Intake air for instrument air compressor shall be permitted to be drawn from

Wähle eine der folgenden:

  • Ducted air or from the air handler exhaust only

  • Outside, from ducted air, or from the equipment location

  • The equipment location only

  • Within 5 feet of the vacuum exhaust

Erklärung

Frage 23 von 73

1

Medical gas alarm wiring shall be protected by which of the following ? Choose answer that includes ALL permitted options.

Wähle eine der folgenden:

  • Conduit, or free air

  • Conduit, free air, or wire

  • Conduit, free air, wire, or cable tray

  • Conduit, free air, wire, cable tray, or raceways

Erklärung

Frage 24 von 73

1

All station outlets and inlets shall be identified as to name or _____ for the specific medical gas or vacuum provided.

Wähle eine der folgenden:

  • chemical symbol

  • color

  • operating pressure

  • style(quick-connect or DISS)

Erklärung

Frage 25 von 73

1

How long must the initial pressure test for the piping of medical gasses and vacuum systems by maintained?

Wähle eine der folgenden:

  • 8 hours

  • 24 hours

  • Until 25% of the joints have been examined for leakage

  • Until 100% of the joints have been examined for leakage

Erklärung

Frage 26 von 73

1

According to the 2012 NFPA 99 there are now four relevant patient care categories for medical gasses, and the criteria used to determine which to apply is to perform a defined risk assessment. Which of the following lists the essential criteria which best describe the four categories?

Wähle eine der folgenden:

  • Death or major injury, minor injury, patient discomfort, no impact

  • Hospital, outpatient facility, dental facility, laboratory

  • Level 1, Level 2, Level 3, Level 4

  • Medical, semi-medical, non-medical, mechanical

Erklärung

Frage 27 von 73

1

Which of these is requirement for both the primary and secondary headers for manifolds which contain cryogenic liquid?

Wähle eine der folgenden:

  • Installed indoors only

  • Installed outdoors only

  • Located in same enclosure

  • Located remote from the facility

Erklärung

Frage 28 von 73

1

When low-pressure threaded connections are employed in gas equipment they must be in accordance with the applicable sections of which of the following publication?

Wähle eine der folgenden:

  • ASHRAE Handbook of Fundamentals

  • CDA copper tube handbook

  • CGA V-5 Diameter index safety system

  • The joint commission comprehensive accreditation manual for hospitals

Erklärung

Frage 29 von 73

1

The 24 hour standing pressure test of the positive pressure piping system shall be witnessed by which of these individuals or entities?

Wähle eine der folgenden:

  • Authority having jurisdiction

  • general contractor

  • inspector

  • verifier

Erklärung

Frage 30 von 73

1

Which of the following hazards does NFPA 99 specify shall be considered in the design, installation, testing, and maintenance of medical gas and vacuum piping systems?

Wähle eine der folgenden:

  • Contamination

  • Fire and explosion

  • Fire and smoke

  • WAter and gas

Erklärung

Frage 31 von 73

1

Piping systems for patient gas/vacuum shall ___ used for distribution of flammable anesthetic gasses.

Wähle eine der folgenden:

  • Be cleaned after being

  • Be replaced after being

  • Be tagged while being

  • NOT be

Erklärung

Frage 32 von 73

1

In category 3 medical gas distribution systems the initial cross connection test requires the individual gas system being tested to be pressurized to how many pounds per square inch?

Wähle eine der folgenden:

  • 50

  • 60

  • 75

  • A minimum of 150

Erklärung

Frage 33 von 73

1

Which type of gas storage system requires specialized knowledge and consideration of the information in the NFPA 55 for locating, installing, and inspection?

Wähle eine der folgenden:

  • Bulk cryogenic systems

  • Instrument air

  • Manifolds located indoors

  • WAGD

Erklärung

Frage 34 von 73

1

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

Wähle eine der folgenden:

  • Brass, bronze, or stainless steel

  • Brass or Bronze

  • Materials per the manufacturers recommendations

  • NFPA 99 does NOT establish any material requirements for these check valves

Erklärung

Frage 35 von 73

1

The accuracy of digital pressure indicators shall be plus or minus what percent of the operating pressure at which they are used?

Wähle eine der folgenden:

  • 2%

  • 3%

  • 4%

  • 5%

Erklärung

Frage 36 von 73

1

What minimum clearance (inches) is required around the EOSC?

Wähle eine der folgenden:

  • 12

  • 24

  • 36

  • NFPA does not state a requirement

Erklärung

Frage 37 von 73

1

Metallic flexible joints are being used in the pipeline for vibration control. Which of the following is NOT true of such joints?

Wähle eine der folgenden:

  • Able to withstand temperatures of 1000 degrees Fahrenheit

  • Provided with brazing extensions to allow brazing into the pipeline

  • Received on jobsite with certification of cleanliness

  • Suitable for service at 150 psi or above

Erklärung

Frage 38 von 73

1

Which of the following is NOT acceptable for the outlet connections of cylinders of cryogenic liquid containers?

Wähle eine der folgenden:

  • They shall be designed to render the attachment point unusable when removed

  • They shall be gas specific

  • They shall be integral to the valve

  • The shall be removed with ordinary tools

Erklärung

Frage 39 von 73

1

Which of these methods is NOT permitted for a label identification of med gas or vacuum system piping?

Wähle eine der folgenden:

  • Adhesive markers with the name of system

  • Stenciling name of system

  • Stenciling the chemical symbol

  • Each of these labeling methods is acceptable

Erklärung

Frage 40 von 73

1

Threaded connections in the medical gas piping distribution system are NOT permitted for which of the following devices?

Wähle eine der folgenden:

  • Alarm devices

  • In-line check valves

  • Pressure indicators

  • Vacuum indicatiors

Erklärung

Frage 41 von 73

1

When installed in ____ copper tube hangars that are in contact with the tube. A plastic-coated or otherwise electrically insulated from the tube.

Wähle eine der folgenden:

  • Extremely dry locations

  • Locations with temperatures below 32 degrees Fahrenheit

  • Potentially damp location

  • Underground locations

Erklärung

Frage 42 von 73

1

What is the name of the valve located off the main where the piping runs up through the building?

Wähle eine der folgenden:

  • In-line

  • Main

  • Riser

  • Source

Erklärung

Frage 43 von 73

1

What is the term for the external device used for the temporary supply of oxygen?

Wähle eine der folgenden:

  • CGA

  • EOSC

  • POC

  • PRV

Erklärung

Frage 44 von 73

1

Which of these is a requirement for wireless communication devices employed in medical gas warning systems?

Wähle eine der folgenden:

  • Electronic shielded

  • Installed at the med gas or vacuum source

  • located at a control desk

  • Supervised such that failure of communication will initiate an alarm

Erklärung

Frage 45 von 73

1

When/where are flexible metallic joints permitted in the med-gas pipeline?

Wähle eine der folgenden:

  • Only on the patient side of the source valve

  • Only on the source side of the source valve

  • when provided with extensions for brazing

  • when suitable for service at 150 psig or above

Erklärung

Frage 46 von 73

1

In med-gas piping systems. Off the main line before any distribution . What is the name of this valve?

Wähle eine der folgenden:

  • An occlusion

  • Main valve

  • Service Valve

  • Source Valve

Erklärung

Frage 47 von 73

1

A plumbing contractor, certified as an ASSE 6010 installer, is installing the med-gas system in a new category 1 facility. When is it permissible for his employees who are not certified as ASSE 6010 installers to install piing or components of the med-gas systems?

Wähle eine der folgenden:

  • When work involves equipment and not piping

  • When working directly with an installer

  • When working for a contractor who is certified, installers are not required to be certified

  • Workers who are not certified are NOT permitted to install med-gas piping or equipment

Erklärung

Frage 48 von 73

1

Which test shall follow the initial blow down test?

Wähle eine der folgenden:

  • Initial cross connection test

  • Initial piping purge test

  • Initial pressure test

  • Standing pressure test

Erklärung

Frage 49 von 73

1

Where piping tests are required. The test gas shall be ___ ___ ____ ____ __ __.

Wähle eine der folgenden:

  • Compressed oil-free dry air

  • Oil-free dry nitrogen NF

  • Source gas

  • Any of the above

Erklärung

Frage 50 von 73

1

Medical AIr sources shall be used only for____ and calibration of medical respiratory devices

Wähle eine der folgenden:

  • Human Respiration

  • Air-operating devices

  • Instrument Air

  • All of Above

Erklärung

Frage 51 von 73

1

The emergency oxygen supply connection shall be installed on the exterior of the building being served, protected from physical damage, and with a minimum of how many feet of clearance around the Connection?

Wähle eine der folgenden:

  • 3

  • 5

  • Minimum clearance is to be determined by the facility risk assessment

  • There is NO minimum clearance requirement

Erklärung

Frage 52 von 73

1

NFPA 99 requires that personnel using cylinder and containers shall be familiar with which of the following?

Wähle eine der folgenden:

  • Diameter-index safety system

  • Pin-index safety system

  • Spacing and insulation appropriate to the frequency involved

  • Both A and B

Erklärung

Frage 53 von 73

1

When compnents have been replaced in manifolds or compressors the system is considered breached and shall be required to be?

Wähle eine der folgenden:

  • Approved by the AHJ

  • Approved by the manufacturer

  • Inspected and tested

  • There is no further equipment

Erklärung

Frage 54 von 73

1

Which organization is responsible for determining the correct occupancy of an area within a health care facility?

Wähle eine der folgenden:

  • The Facility

  • The general contractor

  • The installer

  • The verifier

Erklärung

Frage 55 von 73

1

Zone valves are NOT permitted to be installed in which of these locations?

Wähle eine der folgenden:

  • In the same room as the outlets and inlets that it serves

  • On the same floor as the outlets and inlets that it serves

  • With a wall between the outlets and inlets that it serves

  • With valves placed for ready access

Erklärung

Frage 56 von 73

1

Where WAGD is produced by the medical surgical vacuum source the total concentration of oxidizers shall be maintained below ______ percent?

Wähle eine der folgenden:

  • 19.5

  • 20.6

  • 22.6

  • 23.6

Erklärung

Frage 57 von 73

1

Which of the following statements is NOT permitted for joining vacuum distribution pipeline systems?

Wähle eine der folgenden:

  • Axially swaged

  • Memory metal

  • Non- removable push-fit

  • Welded

Erklärung

Frage 58 von 73

1

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

Wähle eine der folgenden:

  • 2

  • 8

  • 12

  • 32

Erklärung

Frage 59 von 73

1

Which of the following types of tubes may NOT be used to construct the medical air intake piping?

Wähle eine der folgenden:

  • ASTM B 280 copper ACR tube

  • ASTM B 88 (type K, L, or M)

  • Black Pipe (Schedule 40)

  • Stainless steel tube

Erklärung

Frage 60 von 73

1

THe installer shows documentation that the intial pressure test for the vacuum system was conducted at 50 PSI. What pressure should the installer have performed this test?

Wähle eine der folgenden:

  • 30 in. HG

  • 30 PSi

  • 60 PSI

  • 150 PSI

Erklärung

Frage 61 von 73

1

What is the classification for a patient care room in which failure of equipment could result in major injury to a patient. Which type of facility is this considered under the code?

Wähle eine der folgenden:

  • Basic care

  • Critical care

  • General care

  • Support

Erklärung

Frage 62 von 73

1

A facility has an ICU where failure of the medical gas system could result in major injury to a patient. Which type of facility is this considered under the code?

Wähle eine der folgenden:

  • Category 1

  • Category 2

  • Level 1

  • Level 2

Erklärung

Frage 63 von 73

1

Which of the following statements is NOT correct relative to an Emergency Oxygen Supply Connection (EOSC)

Wähle eine der folgenden:

  • A female Dn (NPS) inlet connection for the EOSC must be sized for 100 percent of the system demand

  • A high pressure oxygen reserve with a capacity with one hours supply may be substituted for the EOSC

  • An EOSC must be provided with a minimum 3 feet of clearance around the connection

  • Each free standing building served from a single oxygen source must be afforded the benefit that comes from an EOSC or adequate substitute is required to be provided with a separate emergency connection

Erklärung

Frage 64 von 73

1

Service and sealed water used for liquid ring compressors shall be _____ to protect against waterbourne pathogens

Wähle eine der folgenden:

  • Hyper-chlorinated water

  • Reclaimed water

  • Soft water

  • Treated water

Erklärung

Frage 65 von 73

1

Which procedure is allowable for the tube end preparation while installing copper tubing for a medical gas distribution system?

Wähle eine der folgenden:

  • Cleaning with steel wool

  • Cutting with a reciprocating saw

  • Reaming

  • Rolled smooth or de-bured

Erklärung

Frage 66 von 73

1

Which of these is true for the installation of alarm sensors?

Wähle eine der folgenden:

  • In secured areas

  • Permanently

  • So as to be removable for testing

  • With threaded connection

Erklärung

Frage 67 von 73

1

Which of the following is a requirement for the configuration of a zone valve box?

Wähle eine der folgenden:

  • Located in the room it serves

  • Locked so that is inaccessible to the public

  • Placed such that a wall intervenes between the valves and the outlets/inlets they control

  • Serve outlets/inlets located on 2 or more floors

Erklärung

Frage 68 von 73

1

Standard depth copper fittings for brazing shall be mechanically limited to a make-up depth that is not less than the?

Wähle eine der folgenden:

  • ANSI/ASME standard for brazing

  • ANSI/ASME standard for soldering

  • Tool manufacturers recommendations

  • NFPA 99 does not permit mechanical limitation to alter the make-up depth of a fitting

Erklärung

Frage 69 von 73

1

Central supply systems for ____, located outside of a facility with a total capacity connected and in storage of 20,000 cu. Ft. or more at standard temperature and pressure, shall comply with NFPA 55

Wähle eine der folgenden:

  • Carbon Dioxide

  • Nitrous Dioxide

  • Oxygen

  • Storage

Erklärung

Frage 70 von 73

1

A medical air proportioning system shall have a local alarm that monitors which of the following conditions? Choose the answer that includes ALl permitted options.

Wähle eine der folgenden:

  • The medical air concentration is NOT consifered

  • The warning system indicates nonconforming oxygen concentrations

  • The medical air has a reserve

  • The proportioning system is simplex

Erklärung

Frage 71 von 73

1

Drops to individual station outlets and inlets shall be not less than?

Wähle eine der folgenden:

  • 3/8 O.D.

  • 1/2 O.D.

  • 5/8 O.D.

  • 3/4 O.D.

Erklärung

Frage 72 von 73

1

Which of the following are required when installing shutoff valves for connection of future piping?

Wähle eine der folgenden:

  • Locked or latched closed

  • Identified and labeled

  • Brazed extension and capped

  • All of above

Erklärung

Frage 73 von 73

1

Area alarm panels for medical/surgical vacuum systems shall indicate if the vacuum in the area drops below______gauge Hg/v

Wähle eine der folgenden:

  • 29.9 in.

  • 30 in.

  • 12 in.

  • 10 in.

Erklärung