Medgas100number2

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Medgas100number2 - Quiz

Questions from 6010 installer course


Questions and Answers
  • 1. 

    Runouts from horizontal mains or branches shall be taken off ________ the centerline of the pipeline.

    • A.

      Above

    • B.

      Below

    • C.

      At

    • D.

      Any of the above

    Correct Answer
    A. Above
    Explanation
    Runouts from horizontal mains or branches should be taken off above the centerline of the pipeline. This is because locating the runouts above the centerline ensures that any air or gas pockets in the pipeline can be easily released. Additionally, taking the runouts off above the centerline helps to prevent the accumulation of sediment or debris in the runouts, which could potentially obstruct the flow of fluid in the pipeline.

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  • 2. 

    While brazing medical-gas copper joints, a purge gas shall flow continuously to prevent the formation of copper oxide on the inside surface of the joint. What shall be used as a purge gas?

    • A.

      Oil-free, dry Argon MD

    • B.

      Oil-free, dry Helium NF

    • C.

      Oil-free, dry Nitrogen NF

    • D.

      Any inert gas

    Correct Answer
    C. Oil-free, dry Nitrogen NF
    Explanation
    During the brazing process of medical-gas copper joints, a purge gas is required to prevent the formation of copper oxide on the inside surface of the joint. This is because copper oxide can contaminate the joint and compromise its integrity. The ideal purge gas for this purpose should be oil-free and dry to avoid introducing any impurities into the joint. Nitrogen NF (National Formulary) is a high-purity nitrogen gas that meets the required standards for medical applications. It is inert, meaning it does not react with copper or other materials, making it suitable for purging and ensuring a clean joint.

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  • 3. 

    Which of the following filler metals shall be used to braze copper-to-copper joints in medical gas/vacuum distribution piping?

    • A.

      BAg series

    • B.

      BAu series

    • C.

      BCuP series

    • D.

      BNi series

    Correct Answer
    C. BCuP series
    Explanation
    The BCuP series filler metals should be used to braze copper-to-copper joints in medical gas/vacuum distribution piping.

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  • 4. 

    Tubing for positive pressure medical gas systems delivered from the manufacturer shall be__________________.

    • A.

      Plugged or capped

    • B.

      Harddrawn seamless

    • C.

      Identified as “oxy” or “med”

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The tubing for positive pressure medical gas systems delivered from the manufacturer should be plugged or capped to prevent any contamination or leakage. It should also be harddrawn seamless to ensure durability and prevent any cracks or leaks. Additionally, the tubing should be identified as "oxy" or "med" to clearly indicate its purpose and prevent any mix-ups or confusion. Therefore, all of the above options are correct requirements for the tubing of positive pressure medical gas systems.

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  • 5. 

    In positive pressure systems, area alarm sensors for vital life support and critical care areas shall be located on which side of the zone valve box assemblies?

    • A.

      Patient room side

    • B.

      Outlet/inlet side

    • C.

      Downstream side

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    In positive pressure systems, area alarm sensors for vital life support and critical care areas are required to be located on all sides of the zone valve box assemblies. This ensures that any change in pressure or flow within the system can be accurately detected and monitored from all angles. By having sensors on the patient room side, outlet/inlet side, and downstream side of the zone valve box assemblies, any potential issues or malfunctions can be quickly identified and addressed, ensuring the safety and well-being of the patients in these areas.

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  • 6. 

    The master alarm system shall activate when the pressure in the main supply lines increase or decrease by __________ percent.

    • A.

      10

    • B.

      20

    • C.

      40

    • D.

      50

    Correct Answer
    B. 20
    Explanation
    The master alarm system is designed to activate when there is a significant change in pressure in the main supply lines. In this case, the correct answer is 20 percent, which means that the alarm will be triggered if the pressure increases or decreases by 20 percent. This threshold ensures that any significant deviations from the normal pressure levels are detected and alerted, allowing for prompt action to be taken to address any potential issues with the supply lines.

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  • 7. 

    All medical gas alarm systems shall have a ____________ audible indication for each condition monitored.

    • A.

      Adjustable

    • B.

      Cancelable

    • C.

      Optional

    • D.

      All of the above

    Correct Answer
    B. Cancelable
    Explanation
    Medical gas alarm systems are required to have a cancelable audible indication for each condition monitored. This means that the alarm can be silenced or canceled once the condition being monitored has been resolved or addressed. This feature allows healthcare professionals to acknowledge and respond to the alarm, reducing unnecessary noise and preventing alarm fatigue.

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  • 8. 

    The master alarm system shall consist of two or more alarm panels, a centralized computer system shall not be permitted to be used as a substitute for one of the required master alarm panels.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because it states that a centralized computer system cannot be used as a substitute for one of the required master alarm panels.

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  • 9. 

    Since dew point and carbon monoxide monitors are located upstream of the source valve, demand check fittings are not required.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because demand check fittings are required for dew point and carbon monoxide monitors, even if they are located upstream of the source valve. Demand check fittings are necessary to ensure proper functioning and accuracy of these monitors.

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  • 10. 

    Where shall pressure indicators be provided for medical gas systems?

    • A.

      On the main supply line

    • B.

      At the area alarm

    • C.

      Outlet/inlet side of zone valve

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Pressure indicators should be provided for medical gas systems at all of the mentioned locations. This is because pressure indicators are essential for monitoring and maintaining the correct pressure levels in the system. By having pressure indicators on the main supply line, at the area alarm, and on the outlet/inlet side of zone valves, healthcare professionals can easily monitor the pressure levels at different points in the system and ensure that the medical gas supply is safe and reliable.

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  • 11. 

    The scale range of positive pressure analog indicators shall have the normal reading fall within the_________ percentage of the gage scale.

    • A.

      25

    • B.

      50

    • C.

      75

    • D.

      100

    Correct Answer
    B. 50
    Explanation
    The scale range of positive pressure analog indicators should have the normal reading fall within 50% of the gage scale. This means that the midpoint of the scale should represent the normal operating pressure. Having the normal reading fall within 50% of the scale allows for a sufficient range to measure higher or lower pressures without going beyond the limits of the indicator.

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  • 12. 

    Station inlets for WAGD service shall be legibly marked to identify them and shall be of a type appropriate for the flow and vacuum level required by the facility’s gas anesthetic machines.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Station inlets for WAGD service need to be clearly marked for identification purposes and should be suitable for the flow and vacuum level needed by the gas anesthetic machines in the facility. This ensures that the correct gas is being supplied to the machines and that they are functioning properly. Therefore, the statement "Station inlets for WAGD service shall be legibly marked to identify them and shall be of a type appropriate for the flow and vacuum level required by the facility’s gas anesthetic machines" is true.

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  • 13. 

    The factory installed tubing on station outlets/inlets shall extend no further than ______ from the body of the terminal.

    • A.

      6"

    • B.

      8"

    • C.

      10"

    • D.

      12"

    Correct Answer
    B. 8"
    Explanation
    The factory installed tubing on station outlets/inlets should not extend more than 8 inches from the body of the terminal. This is to ensure that the tubing does not become too long and cause any potential hazards or obstructions. By limiting the length to 8 inches, it allows for proper installation and functionality of the terminal without any unnecessary risks.

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  • 14. 

    Each station outlet/inlet for medical gas or vacuum shall be ____________.

    • A.

      Interchangeable

    • B.

      Gas-specific

    • C.

      Threaded

    • D.

      Quick-coupler

    Correct Answer
    B. Gas-specific
    Explanation
    Each station outlet/inlet for medical gas or vacuum must be gas-specific, meaning that it is designed and designated for a specific type of gas. This ensures that the correct gas is being delivered to the intended location and reduces the risk of accidental mix-ups or cross-contamination. Gas-specific outlets/inlets help maintain the safety and effectiveness of medical gas systems in healthcare facilities.

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  • 15. 

    What is the name given to the shutoff valve installed on all lateral branch piping from a main or riser?

    • A.

      Riser

    • B.

      Service

    • C.

      Zone

    • D.

      Main

    Correct Answer
    B. Service
    Explanation
    The shutoff valve installed on all lateral branch piping from a main or riser is called a service valve. This valve allows for the control and regulation of water flow to specific areas or zones, making it an essential component in plumbing systems.

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  • 16. 

    A shutoff valve shall be placed at the immediate connection of each source system to the distribution piping system. What is the name given to the valve?

    • A.

      Main

    • B.

      Supply

    • C.

      Source

    • D.

      Isolation

    Correct Answer
    C. Source
    Explanation
    The valve referred to in the question is called the "source" valve. This valve is placed at the immediate connection of each source system to the distribution piping system. It is responsible for shutting off the flow of fluid or gas from the source system into the distribution system.

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  • 17. 

    All valves except zone valve box assemblies shall be ________________.

    • A.

      In a secured area

    • B.

      Locked or latched

    • C.

      Labeled appropriately

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All valves except zone valve box assemblies shall be secured in a secured area, locked or latched, and labeled appropriately. This ensures that the valves are kept in a safe and controlled environment, preventing unauthorized access or tampering. Additionally, labeling the valves appropriately allows for easy identification and maintenance. By implementing all of these measures, the valves can be effectively managed and maintained, ensuring the safety and functionality of the system.

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  • 18. 

    Where instrument air systems are provided with standby headers, in the event of a compressor failure, the standby header shall automatically serve the system.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    In instrument air systems where standby headers are present, if a compressor fails, the standby header will automatically take over and supply the system. This means that even if one compressor fails, the system will still have a backup source of air to ensure uninterrupted operation. Therefore, the statement is true.

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  • 19. 

    What is the minimum number of compressors required in an instrument air system that employs a standby header?

    • A.

      0

    • B.

      1

    • C.

      2

    • D.

      3

    Correct Answer
    B. 1
    Explanation
    In an instrument air system that employs a standby header, only one compressor is required. The standby header serves as a backup in case the primary header fails. Therefore, even if one compressor is not functioning, the system can still operate with the standby header. Having multiple compressors would provide additional redundancy, but the minimum requirement is one compressor.

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  • 20. 

    Instrument air systems shall be permitted to interconnect with medical air systems that have at least two or more compressors.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Instrument air systems should not be interconnected with medical air systems, even if the medical air systems have multiple compressors. This is because instrument air systems may contain contaminants or impurities that can be harmful if they come into contact with medical equipment or patients. Therefore, it is important to keep these systems separate to ensure the safety and integrity of the medical air supply.

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  • 21. 

    The quality of the instrument air shall be _________________.

    • A.

      Filtered to .01 micron

    • B.

      Free of liquids

    • C.

      Free of hydrocarbon vapors

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The correct answer is "All of the above." This means that the quality of the instrument air should meet all the mentioned criteria, which includes being filtered to .01 micron, free of liquids, and free of hydrocarbon vapors. These requirements ensure that the instrument air is clean and suitable for use in various instruments and systems.

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  • 22. 

    A Level 1 dedicated WAGD source shall consist of _____ or more producers, each shall be sufficient to serve the peak calculated demand.

    • A.

      One

    • B.

      Two

    • C.

      Three

    • D.

      All of the above

    Correct Answer
    B. Two
    Explanation
    A Level 1 dedicated WAGD source shall consist of two or more producers, each sufficient to serve the peak calculated demand. This means that in order to meet the demand for WAGD, there should be at least two producers available. Having only one producer may not be enough to meet the peak demand. Therefore, the correct answer is Two.

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  • 23. 

    Vacuum receivers shall be capable of withstanding a gage vacuum of ________ inches of mercury.

    • A.

      29

    • B.

      29.9

    • C.

      30

    • D.

      All of the above

    Correct Answer
    B. 29.9
    Explanation
    Vacuum receivers need to be able to withstand a gage vacuum of 29.9 inches of mercury. This is the correct answer because it is the closest option to the standard atmospheric pressure at sea level, which is 29.92 inches of mercury. A vacuum receiver must be able to handle this level of vacuum to effectively function in various applications.

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  • 24. 

    Level 1 medical-surgical vacuum sources shall consist of an automatic means to prevent_____________ through any off-cycle vacuum pump.

    • A.

      Pressure loss

    • B.

      Back pressure

    • C.

      Backflow

    • D.

      All of the above

    Correct Answer
    C. Backflow
    Explanation
    Level 1 medical-surgical vacuum sources need to have an automatic means to prevent backflow through any off-cycle vacuum pump. Backflow refers to the reverse flow of fluids or gases, which can be harmful in a medical setting. By preventing backflow, the vacuum system ensures the proper functioning and safety of the equipment and maintains a clean and sterile environment.

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  • 25. 

    Carbon monoxide shall activate the required alarms when the CO level exceeds ________.

    • A.

      5 ppm

    • B.

      10 ppm

    • C.

      15 ppm

    • D.

      20 ppm

    Correct Answer
    B. 10 ppm
    Explanation
    Carbon monoxide shall activate the required alarms when the CO level exceeds 10 ppm. This means that the alarms will only be triggered when the concentration of carbon monoxide in the air reaches or exceeds 10 parts per million. This is an important safety measure as carbon monoxide is a highly toxic gas that can be lethal in high concentrations. By setting the activation threshold at 10 ppm, the alarms will alert individuals to the presence of carbon monoxide before it reaches dangerous levels, allowing them to take immediate action to protect themselves and evacuate if necessary.

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  • 26. 

    Where charcoal filters are required, a colormetric hydrocarbon indicator shall be provided.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    In situations where charcoal filters are necessary, it is important to have a colormetric hydrocarbon indicator. This indicator helps to detect the presence of hydrocarbons in the air or water that is being filtered. By providing this indicator, it ensures that the filters are effectively removing any harmful hydrocarbons and maintaining the quality of the filtered substance. Therefore, the statement is true.

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  • 27. 

    Where liquid ring compressors are used, air receivers shall be equipped with a high water level sensor that activates a(n) ________________ alarm indicator.

    • A.

      Master

    • B.

      Area

    • C.

      Local

    • D.

      All of the above

    Correct Answer
    C. Local
    Explanation
    In applications where liquid ring compressors are used, air receivers should have a high water level sensor that activates a local alarm indicator. This means that the alarm indicator will be located in close proximity to the air receiver, allowing for immediate notification and response in case of a high water level. This ensures that any potential issues with the liquid ring compressor can be addressed promptly and effectively.

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  • 28. 

    The compressor air intakes shall be located outdoors above roof level at a minimum distance of__________ above the ground.

    • A.

      40 ft.

    • B.

      30 ft.

    • C.

      20 ft.

    • D.

      10 ft.

    Correct Answer
    C. 20 ft.
    Explanation
    The compressor air intakes should be located outdoors above roof level to ensure that they are not affected by any obstructions or contaminants present at ground level. Placing them at a minimum distance of 20 ft above the ground helps to prevent the intake of dust, debris, and other pollutants that could potentially damage the compressor and affect its performance. This height also allows for proper air circulation and reduces the risk of any potential hazards.

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  • 29. 

    Where medical air piping systems at different operating pressures are required, the piping shall separate after the __________.

    • A.

      Filters

    • B.

      Final line regulators

    • C.

      Riser valve

    • D.

      Source valve

    Correct Answer
    A. Filters
    Explanation
    In medical air piping systems, filters are used to remove impurities and contaminants from the air. Since different operating pressures may be required for different parts of the system, it is necessary to separate the piping after the filters. This allows for the appropriate pressure regulation and distribution of clean air to various areas of the system.

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  • 30. 

    If dryers, filters and regulators are sized to serve the peak calculated demand, they shall not be duplexed.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Dryers, filters, and regulators are typically sized to serve the peak calculated demand in order to ensure that they can handle the maximum load. However, duplexing refers to the practice of having two identical units operating in parallel, providing redundancy and backup in case of failure. Therefore, if the equipment is sized to serve the peak demand, it can still be duplexed to provide additional reliability and backup. Hence, the statement "If dryers, filters and regulators are sized to serve the peak calculated demand, they shall not be duplexed" is false.

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  • 31. 

    Level 1 medical air compressors shall be sized to serve the peak calculated demand and in no case shall there be fewer than _____ compressors.

    • A.

      One

    • B.

      Two

    • C.

      Three

    • D.

      Four

    Correct Answer
    B. Two
    Explanation
    Level 1 medical air compressors need to be sized to meet the peak calculated demand. This ensures that there is enough compressed air available for medical procedures. Additionally, there should be a minimum of two compressors to ensure redundancy and prevent any disruptions in the supply of medical air. Having multiple compressors also allows for maintenance and repairs to be carried out on one compressor while the other one continues to provide the necessary air supply.

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  • 32. 

    Receivers for medical air shall be equipped with _____________.

    • A.

      Relief valve

    • B.

      Automatic and manual drains

    • C.

      Sight glass

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Receivers for medical air need to be equipped with a relief valve to ensure that the pressure does not exceed safe limits. They also need to have automatic and manual drains to remove any condensate or contaminants that may accumulate in the system. Additionally, a sight glass is necessary to allow visual inspection of the air quality. Therefore, all of the above options are required for receivers of medical air.

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  • 33. 

    __________ connectors shall connect the air compressors with their intake and outlet piping.

    • A.

      Anti-vibration

    • B.

      Dielectric

    • C.

      Insulated

    • D.

      Flexible

    Correct Answer
    D. Flexible
    Explanation
    Flexible connectors are used to connect the air compressors with their intake and outlet piping. These connectors are able to absorb vibrations and movements, providing flexibility and preventing damage to the piping system. They allow for easy installation and maintenance, as well as reducing noise and vibration transmission. Therefore, flexible connectors are the most suitable option for connecting air compressors with their intake and outlet piping.

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  • 34. 

    Compressors for medical air shall be designed to prevent the introduction of contaminants or liquid into the piping system.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Compressors for medical air need to be designed in a way that ensures contaminants or liquid cannot enter the piping system. This is crucial for maintaining the purity and safety of the medical air supply, as any contaminants or liquid could potentially harm patients or compromise the effectiveness of medical procedures. Therefore, it is important to have compressors specifically designed to prevent the introduction of such substances into the piping system.

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  • 35. 

    Medical air sources shall be used only for _________ and calibration of medical respiratory devices.

    • A.

      Human respiration

    • B.

      Air-operating devices

    • C.

      Instrument air

    • D.

      All of the above

    Correct Answer
    A. Human respiration
    Explanation
    Medical air sources are specifically designed and regulated for the purpose of providing clean and safe air for human respiration. Therefore, they should only be used for this purpose and not for operating air-operating devices or for instrument air. Using medical air sources for anything other than human respiration could compromise the quality and safety of the air supply, which is crucial for patients relying on respiratory devices.

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  • 36. 

    Where the bulk cryogenic liquid oxygen supply system is outside of and remote from the building served, a _________ connection shall be installed.  

    • A.

      Maintenance cleanout

    • B.

      Refilling

    • C.

      Emergency oxygen supply

    • D.

      All of the above

    Correct Answer
    C. Emergency oxygen supply
    Explanation
    In situations where the bulk cryogenic liquid oxygen supply system is located outside of and far away from the building it serves, it is necessary to install an emergency oxygen supply connection. This connection ensures that there is a backup source of oxygen available in case of any emergencies or disruptions in the main supply system. This is important for the safety and well-being of the occupants of the building, as it ensures that there is always a reliable source of oxygen available, even in unforeseen circumstances.

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  • 37. 

    An in-building emergency reserve system can be substituted for the EOSC.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    An in-building emergency reserve system can be substituted for the EOSC. This means that instead of relying on the EOSC (Emergency Operations and Control System), the in-building emergency reserve system can be used as an alternative. This suggests that the in-building emergency reserve system is capable of performing the same functions and providing the same level of emergency response as the EOSC.

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  • 38. 

    Bulk cryogenic liquid system sites shall have allowance for at least ____ of clearance around the storage container, vaporizer and the pressure-regulating manifold.

    • A.

      2 feet

    • B.

      3 feet

    • C.

      4 feet

    • D.

      5 feet

    Correct Answer
    B. 3 feet
    Explanation
    Bulk cryogenic liquid systems require a certain amount of clearance around the storage container, vaporizer, and pressure-regulating manifold for safety purposes. The correct answer is 3 feet. This clearance allows for adequate ventilation and prevents any potential hazards or accidents that may occur due to heat buildup or pressure fluctuations. Having a sufficient distance between these components ensures the safe operation of the cryogenic liquid system.

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  • 39. 

    Installers of bulk cryogenic liquid systems shall be qualified to meet CGA M-1 Standard, Guide for Medical Gas Installations at Consumers Sites.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because according to the given information, installers of bulk cryogenic liquid systems need to be qualified to meet CGA M-1 Standard, which is the Guide for Medical Gas Installations at Consumer Sites. This standard ensures that the installation of these systems is done correctly and safely in medical facilities where cryogenic liquids are used.

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  • 40. 

    Manifolds for cryogenic liquid cylinders shall indicate when or at a predetermined set point before the reserve contents fall to one day’s average supply, indicating _______.

    • A.

      Reserve is in use

    • B.

      Primary empty

    • C.

      Secondary empty

    • D.

      Reserve low

    Correct Answer
    D. Reserve low
    Explanation
    The correct answer is "Reserve low." Manifolds for cryogenic liquid cylinders need to indicate when the reserve contents are approaching a level that is one day's average supply. This indication is important to ensure that the reserve does not run out completely and to allow for timely replenishment. Therefore, the term "Reserve low" accurately describes the situation where the reserve contents are nearing a critical level.

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  • 41. 

    Manifolds for cryogenic liquid cylinders shall consist of __________ equal headers; each having sufficient number of liquid containers for an average day’s supply.

    • A.

      4

    • B.

      3

    • C.

      2

    • D.

      1

    Correct Answer
    C. 2
    Explanation
    Manifolds for cryogenic liquid cylinders shall consist of 2 equal headers; each having sufficient number of liquid containers for an average day’s supply. This means that there will be two headers in the manifold system, with each header having enough liquid containers to meet the average daily demand. This setup allows for efficient distribution and supply of cryogenic liquids.

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  • 42. 

    Manifolds for gas cylinders without reserve shall consist of ___________ equal headers; each with an average day’s supply, but not fewer than _________ connections.

    • A.

      Four – four

    • B.

      Three – three

    • C.

      Two – two

    • D.

      One – one

    Correct Answer
    C. Two – two
    Explanation
    Manifolds for gas cylinders without reserve should consist of two equal headers, each with an average day's supply, but not fewer than two connections. This means that there should be two headers, each capable of supplying enough gas for an average day's usage, and each header should have at least two connections. This ensures that there is redundancy in the system, with two headers providing backup in case one fails, and each header having multiple connections to accommodate the required number of cylinders.

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  • 43. 

    Relief valves shall be vented to the ___________, except compressed air systems having less than 3000 cubic feet at STP.

    • A.

      Floor

    • B.

      Sewer drain

    • C.

      Back into the system

    • D.

      Outside

    Correct Answer
    D. Outside
    Explanation
    Relief valves are designed to release excess pressure in a system to prevent damage or failure. To ensure the safe operation of the relief valve, it is important to vent the released pressure outside the system. This allows the pressure to be safely discharged into the atmosphere, away from any potential hazards or sensitive areas. However, for compressed air systems with a small volume (less than 3000 cubic feet at standard temperature and pressure), venting to the outside may not be necessary as the amount of pressure released is minimal.

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  • 44. 

    All pressure relief valves shall be made of brass, bronze or ____________.

    • A.

      Stainless steel

    • B.

      Carbon steel

    • C.

      Cast iron

    • D.

      Copper

    Correct Answer
    A. Stainless steel
    Explanation
    Pressure relief valves are an essential component in various systems to prevent overpressure and ensure safety. These valves are subjected to high-pressure conditions, and therefore, they need to be made of materials that can withstand such conditions without corroding or deforming. Brass, bronze, and stainless steel are commonly used materials for pressure relief valves due to their high strength, corrosion resistance, and durability. Carbon steel, cast iron, and copper are not suitable choices for pressure relief valves as they may not possess the required properties to withstand high-pressure conditions. Therefore, stainless steel is the correct answer for the given question.

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  • 45. 

    Louvered openings for natural ventilation shall have a minimum free area of __________.

    • A.

      60 sq. in.

    • B.

      62 sq. in.

    • C.

      70 sq. in.

    • D.

      72 sq. in.

    Correct Answer
    D. 72 sq. in.
    Explanation
    Louvered openings for natural ventilation should have a minimum free area of 72 sq. in. This means that the total area of the openings should be at least 72 square inches to allow for sufficient airflow. Having a larger free area ensures better ventilation and allows for more air to enter or exit a space, improving air quality and reducing the risk of stagnant air.

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  • 46. 

    Locations for central supply systems and the storage of medical gases shall be secured with lockable doors or gates.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The correct answer is true because it is important to secure the locations for central supply systems and the storage of medical gases with lockable doors or gates. This helps to prevent unauthorized access and ensures the safety and security of the medical gases, which are crucial for patient care. By having lockable doors or gates, healthcare facilities can control access to these areas and reduce the risk of theft, tampering, or misuse of the medical gases.

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  • 47. 

    Cylinders in use and in storage shall be prevented from reaching temperatures in excess of _______________.

    • A.

      100º F

    • B.

      130º F

    • C.

      160º F

    • D.

      190º F

    Correct Answer
    B. 130º F
    Explanation
    Cylinders in use and in storage should be prevented from reaching temperatures in excess of 130º F. This is important because exceeding this temperature can lead to the expansion of gases inside the cylinder, which can cause the cylinder to rupture or explode. It is necessary to maintain a safe temperature range to ensure the integrity and stability of the cylinders and to prevent any potential hazards.

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  • 48. 

    Which of the following systems shall not be permitted to be located in the same indoor enclosure?

    • A.

      Bulk cryogenic liquid system

    • B.

      Manifolds for cryogenic liquid cylinders

    • C.

      Manifolds for gas cylinders with or without reserve

    • D.

      Instrument air standby leader

    Correct Answer
    A. Bulk cryogenic liquid system
    Explanation
    A bulk cryogenic liquid system should not be permitted to be located in the same indoor enclosure as the other systems mentioned. This is because bulk cryogenic liquid systems involve storing and handling large quantities of extremely cold liquids, such as liquid nitrogen or liquid oxygen. These systems require specialized storage and safety measures, including insulation and ventilation, to prevent the risk of leaks, spills, or explosions. Co-locating a bulk cryogenic liquid system with other systems could increase the risk of accidents and compromise the safety of the overall facility.

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  • 49. 

    Liquid containers shall have additional product identification visible from all directions with a minimum of _____ inch high letters such as a 360 degree wrap-a-round tape for medical liquid containers.

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    Correct Answer
    B. 2
    Explanation
    Liquid containers should have additional product identification visible from all directions with a minimum of 2-inch high letters. This is important for ensuring clear and easy identification of the product, especially in medical settings where accuracy and efficiency are crucial. Having the identification visible from all directions helps to prevent any confusion or mistakes in handling or administering the liquid.

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  • 50. 

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

    • A.

      Contamination

    • B.

      Fire and Smoke

    • C.

      Fire and Explosions

    • D.

      Water and Gas

    Correct Answer
    C. Fire and Explosions
    Explanation
    In the design, installation, testing, and maintenance of medical gas and vacuum piping systems, it is crucial to consider the hazard of fire and explosions. This is because these systems involve the transportation of gases that can be highly flammable or explosive if not handled properly. By taking fire and explosion hazards into account, appropriate safety measures can be implemented to prevent accidents and ensure the safety of both patients and medical staff.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 08, 2010
    Quiz Created by
    Pbarton
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