Medical Gas 6010 Installers Practice Exam | Verified with 100% Correct Answers

Medical Gas 6010 Installers Practice Exam | Verified with 100% Correct Answers An existing system that is not in strict compliance with the provisions of this code shall be permitted to be continued in use as long as the _ has determined that such use does not constitute a distinct hazard to life. A) architect B) authority having jurisdiction C) engineer D) nursing staff Cylinder and cryogenic liquid container outlet connections shall be designed as to render the attachment point _ when removal of the outlet connection is attempted. A) reusable B) unusable C) unsuitable D) universal Cylinders in use and in storage shall be prevented from reaching temperatures in excess of _ *F. A) 120 B) 125 C) 130 D) 135 Nitrous oxide and carbon dioxide using cylinders or portable containers shall be prevented from reaching temperatures lower than _ *F A) 130 B)125 C) 20 D) -20 Which of the following systems shall not be permitted to be located in an outdoor enclosure? A) bulk cryogenic liquid cylinders B) manifolds for gas cylinders C) manifolds for cryogenic liquid containers D) medical air sources Indoor locations for oxygen, nitrous oxide, and mixtures of these gases shall not communicate with any of the following except _? A) area with open flames B) designated storage area C) engines D) kitchens Locations for central supply systems shall have _ devices protected from physical damage? A) electrical B) pressure indicating C) regulating D) relief Outdoor locations surrounded by impermeable walls, except fire barrier walls, shall have protected ventilation openings at the _ of each wall to allow free circulation of air within the enclosure? A) base B) corner) C) middle D) top All positive pressure supply systems shall be provided with duplex line pressure regulators piped in _? A) circuit B) loop C) parallel D) series All pressure relief valves shall be made of brass, bronze, or _? A) carbon steel B) cast iron C) copper D) stainless steel Central supply systems for positive pressure gases shall have one or more relief valves, the valves shall have a relief setting that is _% above normal working operating pressure? A) 30 B) 40 C) 50 D) 60 When vented to the outside, relief valve vent lines shall be labeled in which way? A) adhesive markers B) any manner that will distinguish them from the medical gas pipeline C) stenciling D) stickers An auxiliary source connection shall consist of all of the following except? A) removable plug or cap B) tee C) valve D) visual pressure indicator In central supply systems using gas or liquid cylinders, each header shall have a _ to prevent debris from entering the manifold controls? A) check valve B) filter C) monitor D) relief valve Manifolds for gas cylinders shall consist of two equal headers, each with enough cylinders for an average day's supply, but not fewer than _ connections? A) 5 B) 4 C) 3 D) 2 Manifolds for gas cylinders shall have a(n) _ signal that visibly indicates the operating status of the equipment and shall activate an indicator at all master alarm panels when or just before changeover from one header to the other takes place? A) area B) master C) local D) zone When multiple buildings are served from a single cryogenic liquid oxygen source, it is required to place the emergency oxygen supply connection in _ ? A) each building served B) the building closest to the source C) the largest building served D) the main building only The minimum clearance around EOSC for a temporary source of supply is _ ft? A) 2 B) 3 C) 5 D) 6 A(n) _ emergency reserve system can be substituted for the EOSC? A) auxiliary B) backup C) in-building D) micro-bulk The quality medical air shall comply with all of the following standards except? A) be filtered to .01 microns B) have less than 25 ppm gaseous hydrocarbons C) have no detectable hydrocarbons D) meet the requirements of medical air USP Medical air sources shall only be used for _ ? A) air-operating devices B) human respiratory applications C) instrument air D) WAGD Medical air compressor systems shall have a pressure relief valve set at _ percent above line pressure? A) 20 B) 30 C) 40 D) 50 Medical air compressor systems shall have an automatic means to prevent _ from all on-cycle compressors through all off-cycle compressors? A) backfire B) backflow C) back pressure D) backup Reciprocating compressors that employ the use of oil can be used for medical air as long as the oil-containing section is separated from the compression chamber by at least _ seals creating an area open to the atmosphere? A) 2 B) 3 C) 4 D) 5 When liquid ring compressors are being used to service water and seal water shall be treated to control waterborne pathogens and chlorine (from _) from entering the medical air? A) deionization B) hyperchlorination C) hypochlorination D) ionization Aftercoolers shall be provided with individual _ ? A) condensate traps B) flexible connectors C) pressure indicators D) temperature indicators Receivers for medical air shall not be equipped with _ ? A) a sight glass B) a temperature indicator C) automatic and manual drains D) relief valves Medical air filters shall be located immediately upstream (source side) of the _ ? A) aftercoolers B) final line regulator C) pressure indicator D) receiver Medical air filters shall be sized for 100% of the system peak calculated demand and be rates for a minimum of 98% efficiency at _ micron or greater? A) .01 B) 1 C) 5 D) 10 Medical air receivers shall be provided with proper valves that allow the receiver to be _ during service without shutting down the supply of medical air? A) bypassed B) filled C) online D) pressurized In a medical air supply system dryers, filters, and regulators shall be _ ? A) at least duplexed B) at least simplexed C) downstream of the source valve D) upstream of the aftercoolers Medical air shall be sampled at 1/4" NPS valved sample port upstream of the _ ? A) dew point monitor B) carbon monoxide monitor C) final line regulator D) source valve Where medical air piping systems at different operating pressures are required, the piping shall separate after the _ ? A) filters B) final line regulators C) relief valve D) source valve The medical air intake shall be located outdoors a minimum of _ ft above ground level? A) 10 B) 15 C) 20 D) 25 The medical air intake shall be located a minimum of _ ft from all exhausts or other noxious fumes? A) 10 B) 15 C) 20 D) 25 The medical air intake shall be minimum _ ft from all doors, windows, or other openings in a building? A) 10 B) 15 C) 20 D) 25 Where liquid ring compressors or water-cooled aftercoolers are used, air receivers shall be equipped with a _ sensor? A) high temperature B) high water level C) low temperature D) low water level Medical air compressors that employ the use of oil are required to have coalescing filters with _ indicator? A) a charcoal absorber B) a color C) an audible D) an element change When the backup or lag compressor is running, the _ alarm(s) shall activate? A) area B) local C) main D) source Dew point shall be monitored and shall activate the required alarms when the dew point at a system pressure exceeds _ *F? A) 32 B) 35 C) 39 D) 42 Carbon monoxide shall activate the required alarms when the CO level exceeds _ PPM? A) 5 B) 10 C) 15 D) 20 Medical air reconstituted from oxygen USP and nitrogen NF (synthetic air) produced using proportioning systems shall meet all of the following except? A) be 19.5% to 23.5% oxygen B) be analyzed continuously and recorded C) be cleared for marketing and approved by FDA D) the completion of a risk analysis and approval by authority having jurisdiction before use Category 1 medical-surgical vacuum sources shall, at minimum, consist of _ or more vacuum pumps? A) 1 B) 2 C) 3 D) 4 Category 1 medical- surgical vacuum sources shall consist of an automatic means to prevent _ from any on-cycle pump through and off-cycle pump? A) back pressure B) backflow C) crisscross D) vacuum Piping between the vacuum pump and the source shutoff valve shall be permitted to be all of the following material except? A) black steel B) galvanized steel C) stainless steel D) plastic(PVC) _ connectors shall connect the vacuum pumps with their intake and outlet piping? A) anti-vibration B) dielectric C) flexible D) insulated Vacuum receivers shall be capable of withstanding a guage of _ in. of HgV? A) 12 B) 20 C) 30 D) 32 A medical-surgical vacuum receiver shall be made serviceable by _ ? A) a three-valve bypass B) any method to ensure the continuation of service C) being valved at the end of the main line D) shutting down the system When a medical-surgical vacuum source in operation is incapable of adequately maintaining the required vacuum, additional pump shall be _ activated? A) automatically B) manually C) remotely D) systematically The vacuum exhaust shall discharge a minimum of _ ft. from any door, window, air intake, or place of public assembly? A) 10 B) 15 C) 20 D) 25 A medical-surgical vacuum exhaust shall be turned down and screened. The screening shall be fabricated using _ material? A) any non-corroding B) chicken wire C) steel mesh D) steel wire Multiple vacuum pumps shall be permitted to be joined together to one common exhaust provided the common exhaust is sized to _ ? A) minimize back pressure B) peak calculated demand C) prevent backflow D) the largest pump Vacuum exhaust from multiple pumps joined together to one common exhaust shall be permitted provided each pump can be isolated. The pumps can be isolated by all of the following except a _ ? A) blind flange B) check valve C) grooved joint D) manual valve Category 1 medical-surgical vacuum systems shall activate a _ alarm when the backup or lag pump is running? A) local B) main C) source D) warning WAGD shall be permitted to be produced by all of the following except a _ ? A) dedicated producer B) medical surgical-vacuum source C) medical air source D) venturi A category 1 dedicated WAGD source shall consist of _ or more producers, and each shall be sufficient to serve the peak calculated demand? A) 1 B) 2 C) 3 D) 4 _ shall not be used to power the venture of a WAGD system? A) inert gas B) instrument air C) medical air D) water WAGD producers designed for operation at vacuums below _ in. HgV shall only be used for WAGD service? A) 2 B) 3 C) 4 D) 5 A WAGD source system shall activate a _ alarm when the backup or lag producer is running? A) local B) main C) source D) warning Additional WAGD producers shall _ activate when the producer in operation is incapable of maintaining the required vacuum? A) automatically B) manually C) remotely D) systematically With the approval of the authority having jurisdiction, a zone valve shall be permitted to be secured to prevent inappropriate access in _ areas? A) anesthetizing B) critical care C) maternity D) psychiatric or pediatric New or replacement valves are not required to _ ? A) be ball type B) have copper tube extensions for brazing C) permit in line serviceability D) use quarter turn to off A _ shutoff valve shall be placed at the immediate connection of each source system to the distributing piping system? A) main B) supply C) source D) zone A _ shutoff valve shall be provided in the main supply line when the source valve is not accessible from within the building served? A) main B) supply C) service D) zone _ valves shall be installed to allow modification of lateral branch piping from a main or riser without shutting down the entire main, riser, or facility? A) main B) riser C) service D) zone Regardless of how many zone valve boxes are installed on a lateral branch off a riser, only one _ valve shall be required for each branch? A) main B) riser C) service D) zone _ valves shall not be located in a room with station outlets or inlets that it controls? A) main B) service C) source D) zone _ valves shall be readily operable from a standing position in the corridor on the same floor they serve? A) in-line B) relief C) service D) zone Immediately outside of each vital life-support, critical care, and anesthetizing location, there shall be a _ valve for each medical gas, vacuum, and WAGD system? A) fire extinguisher B) local alarm C) relief valve D) zone Operational _ shutoff valves shall be permitted to be installed to isolate or shut off piping for servicing of individual rooms or areas? A) in-line B) main line C) riser D) zone In-line check valves are not required to have _ ? A) brazed extensions B) in-line serviceability C) threaded end connections D) threaded purge ports Each station outlet/inlet for medical gasses and vacuums shall be _ ? A) gas-specific B) interchangeable C) quick-coupler D) threaded The factory installed tuning on station outlets and inlets shall extend no further than _ in. from the body of the terminal? A) 6 B) 8 C) 10 D) 12 Factory installed inlet tubing on station outlets shall not be less than _ NPS? A) 1/4 B) 3/8 C) 1/2 D) 5/8 Factory installed outlet tubing on station inlets shall not be less than _ NPS? A) 1/8 B) 3/16 C) 1/4 D) 3/8 Station outlets that operate at a pressure in excess of _ PSI shall be either D.I.S.S. or be designed to relieve pressure prior to removal of adapter? A) 50 B) 60 C) 70 D) 80 The manufacturer is allowed a decay of less than _ % in 24 hours during the standing pressure test? A) 3 B) 2 C) 1.5 D) 1.0 The _ shall provide documentation certifying the performance and successful completion of all pressure testing for a manufactured assembly? A) engineer B) installer C) manufacturer D) owner Manufactured assemblies employing flexible hose shall have a minimum burst pressure of _ PSI? A) 1000 B) 1100 C) 1200 D) 1500 Station outlets and inlets of manufactured assemblies that employ hose or flexible connections to the piping system are not fully and immediately accessible shall use _ connectors? A) demand check B) D.I.S.S. C) push fit D) quick-coupler The scale range of positive pressure analog indicators shall have the normal operating pressure fall within the _ of the gauge scale? A) bottom third B) lower third C) middle third D) top third The accuracy of digital indicators shall be(+/-) _ % of the operating pressure at which they are used? A) 20 B) 10 C) 5 D) 1 The scale range of vacuum indicators shall be 0 to _ in. HgV?