Medical Gas Certification pre-test Questions And Correct Verified Answers | 2026/27| A+ Rated

B. Authority having jurisdiction - Correct Answer An existing system that is not in strict compliance with the provisions of this code shall be permitted to be continued in a 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 B. Designated storage area - Correct Answer Indoor locations for oxygen, nitrous oxide, and mixtures of these gases shall not communicate with any of the following except__________ A. Areas with open flames B. Designated storage area C. Engines D. Kitchens D. Visual pressure indicator - Correct Answer An auxiliary source connection shall consist of all the following except A. Removable plug or cap B. Tree C. Valve D. Visual pressure indicator A. Each building served - Correct Answer 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 B. 3 - Correct Answer The minimum clearance around the EOSC for a temporary source of supply is ____________ ft. A. 2 B. 3 C. 5 D. 6 A. Except be filtered to 0.01 microns - Correct Answer The quality medical air shall comply with all of the following standards except A. Be filtered to 0.01 microns B. Have lesson than 25 ppm gaseous hydrocarbons C. Have no detectable liquid hydrocarbons D. Meet the requirement of medical air USP B. Human respiratory applications - Correct Answer Medical air sources shall only be use for _____ A. Air operating devices B. Human respiratory applications C. Instrument air D. WAGD B. 1 - Correct Answer Medical air filters shall be sized for 100% of the system peak calculated demand and be rated for a minimum of 98% efficiency at ______ micron greater. A. .01 B. 1 C. 5 D. 10 A. At least duplexed - Correct Answer 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 D. 25 - Correct Answer 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 C. 20 - Correct Answer The medical air intake shall be located outdoors a minimum of ft above ground level. A. 10 B. 15 C. 20 D. 25 A. 10 - Correct Answer 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 C. 30 - Correct Answer Vacuum receivers shall be capable of withstanding a gauge vacuum of ________ in. of HgV. A. 12 B. 20 C. 30 D. 32 B. Any method to ensure continual service - Correct Answer A medical-surgical vacuum receiver shall be made serviceable by A. A three-valve bypass B. Any method to ensure continual service C. Being valved at the end of the main line D. Shutting down the system A. Any non-corroding - Correct Answer 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 C. Except Grooved joint - Correct Answer 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 D. Psychiatric or pediatric - Correct Answer With the approval f the authority having jurisdiction, a zone valve shall be permitted o be secured to prevent inappropriate access in ____________ areas A. anesthetizing B. critical care C. meternity D. psychiatric or pediatric A. Be ball type - Correct Answer New or replacement valves are not required to A. be ball type B. have copper tube braze extensions C. permit in line serviceability D. use a quarter turn to off A. Main - Correct Answer A __________ shutoff valve shall be provided int he main supply line when the source valve is not accessible from within the building being served. A. main B. supply C. service D. zone C. Threaded end connections - Correct Answer In-line check valves are not required to have_________ A. brazed extensions B. in-line serviceability C. threaded end connections D. Threaded purge ports A. Gas-Specific - Correct Answer Each station outlet/inlet for medical gasses and vacuums shall be __________ A. Gas-specific B. Interchangeable C. Quick-coupler D. Threaded D. 80 - Correct Answer 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 adaptor. A. 50 B. 60 C. 70 D. 80 C. Middle third - Correct Answer 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 D. Visible, audible - Correct Answer All master, area, and local alarm systems shall include separate ____________ and indicators for each condition monitored. ******************* A. High, low B. Red, blue C. On, off D. Visible, audible A. Removable - Correct Answer Alarm switches and sensors shall be installed so as to be A. Removable B. Restarted C. Reconfigured D. None of the above B. Centralized computer system - Correct Answer A master alarm system shall consist of two or more alarm panels, one of which can be A. Area alarm B. centralized computer system C. Fire alarm D. Security system D. Multiple master alarm panels - Correct Answer The two master alarm panels shall be wired independently to the initiating device for each signal and a single initiating device shall be permitted to actuate A. a computer B. area alarm panels C. a single master alarm panel D. multiple master alarm panels C. 35 - Correct Answer ********The medical air dew point high alarm from each compressor site will indicate at the master alarm panels when the line pressure dew point is greater than ________ degrees F A. 22 B. 32 C. 35 D. 44 C. ASTM B597 - Correct Answer Medical- surgical vacuum system piping, when hard-drawn seamless copper tube, shall be in accordance with any of the following standards except A. ASTM B88 B. ASTM B280 C. ASTM B597 D. ASTM B819 D. Stainless steel pipe - Correct Answer Which of the following piping materials shall be permitted for field installed medical-surgical vacuum distribution piping system A. Carbon steel pipe B. Galvanized pipe C. Plastic pipe D.