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暗記メーカー

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40問 • 2年前
  • Sabina Serikbaeva
    • 通報

    問題一覧

  • 1

    Which country's gas plants have widely adopted DEA as their sweetening solution?

    Canada

  • 2

    What is the primary application of triethanolamine in gas treatment?

    Selective hydrogen sulphide removal

  • 3

    How does triethanolamine compare to MEA and DEA in purifying gas to pipeline specifications?

    Triethanolamine is less effective than MEA and DEA

  • 4

    What is one drawback of using triethanolamine as a gas sweetening agent?

    Inability to remove sulphurous components

  • 5

    Which solutions have replaced triethanolamine in most gas sweetening applications?

    MEA and DEA

  • 6

    Which of the following best describes an automated control system?

    A system that operates without human intervention

  • 7

    What is the primary purpose of an automated control system in an absorption process?

    To increase energy efficiency

  • 8

    Which of the following is an example of a sensor used in an automated control system for an absorption process?

    Pressure transducer

  • 9

    How does an automated control system adjust the operating parameters in an absorption process?

    By analyzing real-time data and making necessary adjustments

  • 10

    What are the potential benefits of using automated control systems in absorption processes?

    Improved process efficiency and reduced operating costs

  • 11

    What is the first step in the fractionating sequence?

    Separating ethane from remaining liquid

  • 12

    Which product goes overhead during the deethanizer process?

    Ethane

  • 13

    What is the key factor in maximizing the volume of bottom product?

    Controlling reboiler temperature

  • 14

    In the fractionating sequence, which component is minimized in the propane?

    Ethane

  • 15

    When may the deethanizer be omitted in the fractionating sequence?

    When selling propane and ethane as a mixture

  • 16

    What is the next step in the fractionating sequence after separating butanes?

    Separating propane from remaining liquid

  • 17

    Which component goes overhead during the fractionation of iso and normal butane?

    Iso-butane

  • 18

    What is the key to controlling contaminants in one liquid with the other?

    Controlling reboiler temperature

  • 19

    What is a typical operating problem caused by loss of reflux and/or too much reboiler heat?

    Temporary overpressure

  • 20

    Which variables affect the net income maximum in the fractionation process?

    All answers correct

  • 21

    Which component may cause underpressure when leaving with the propane?

    Butanes

  • 22

    What is the main challenge when both bottom and top products are on temperature control?

    Difficulty in controlling temperature

  • 23

    What can be added to the fractionation process to control vapor pressure of natural gasoline?

    Butane splitter

  • 24

    In the depropanizer process, which component goes overhead?

    Propane

  • 25

    What can cause sustained overpressure in the fractionation process?

    Loss of condenser fan

  • 26

    What is the primary function of a desalter in refinery crude oil processing?

    Removing salt from the oil

  • 27

    Which of the following contaminants can be removed in a desalter?

    All answers are correct

  • 28

    What is the purpose of using electrostatic desalting in crude oil processing?

    To enhance water/oil separation

  • 29

    What is the role of desalting aids in the desalter?

    Enhancing water separation

  • 30

    Which type of oil is relatively easy to desalt?

    Light (high API gravity) oils

  • 31

    What is the optimal operating temperature range for production field desalters?

    1000°F - 2000°F

  • 32

    What can excessively high desalter operating temperatures cause?

    All answers correct

  • 33

    What is the typical operating temperature range for refinery desalters?

    200°F - 3000°F

  • 34

    What is the main purpose of operating desalters at high temperatures?

    To increase the settling rate of water droplets

  • 35

    Why is the operating temperature range higher for refinery desalters compared to production field desalters?

    To melt waxes hindering coalescence and water separation

  • 36

    What is the purpose of maintaining a sufficiently high operating pressure in a desalter?

    To prevent vaporization in the vessel

  • 37

    What happens if a vapor space develops in the desalter vessel?

    The electrodes are de-energized automatically

  • 38

    Where is the wash water normally injected in the desalter system?

    Just downstream of the mixing valve

  • 39

    What is the typical operating pressure range for desalters?

    65-300 psig

  • 40

    What is the purpose of wash water addition in the desalting process?

    To improve the contacting and coalescence of brine droplets

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    Sabina Serikbaeva · 60問 · 2年前

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    60問 • 2年前
    Sabina Serikbaeva

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    Sabina Serikbaeva · 25問 · 2年前

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    25問 • 2年前
    Sabina Serikbaeva

    問題一覧

  • 1

    Which country's gas plants have widely adopted DEA as their sweetening solution?

    Canada

  • 2

    What is the primary application of triethanolamine in gas treatment?

    Selective hydrogen sulphide removal

  • 3

    How does triethanolamine compare to MEA and DEA in purifying gas to pipeline specifications?

    Triethanolamine is less effective than MEA and DEA

  • 4

    What is one drawback of using triethanolamine as a gas sweetening agent?

    Inability to remove sulphurous components

  • 5

    Which solutions have replaced triethanolamine in most gas sweetening applications?

    MEA and DEA

  • 6

    Which of the following best describes an automated control system?

    A system that operates without human intervention

  • 7

    What is the primary purpose of an automated control system in an absorption process?

    To increase energy efficiency

  • 8

    Which of the following is an example of a sensor used in an automated control system for an absorption process?

    Pressure transducer

  • 9

    How does an automated control system adjust the operating parameters in an absorption process?

    By analyzing real-time data and making necessary adjustments

  • 10

    What are the potential benefits of using automated control systems in absorption processes?

    Improved process efficiency and reduced operating costs

  • 11

    What is the first step in the fractionating sequence?

    Separating ethane from remaining liquid

  • 12

    Which product goes overhead during the deethanizer process?

    Ethane

  • 13

    What is the key factor in maximizing the volume of bottom product?

    Controlling reboiler temperature

  • 14

    In the fractionating sequence, which component is minimized in the propane?

    Ethane

  • 15

    When may the deethanizer be omitted in the fractionating sequence?

    When selling propane and ethane as a mixture

  • 16

    What is the next step in the fractionating sequence after separating butanes?

    Separating propane from remaining liquid

  • 17

    Which component goes overhead during the fractionation of iso and normal butane?

    Iso-butane

  • 18

    What is the key to controlling contaminants in one liquid with the other?

    Controlling reboiler temperature

  • 19

    What is a typical operating problem caused by loss of reflux and/or too much reboiler heat?

    Temporary overpressure

  • 20

    Which variables affect the net income maximum in the fractionation process?

    All answers correct

  • 21

    Which component may cause underpressure when leaving with the propane?

    Butanes

  • 22

    What is the main challenge when both bottom and top products are on temperature control?

    Difficulty in controlling temperature

  • 23

    What can be added to the fractionation process to control vapor pressure of natural gasoline?

    Butane splitter

  • 24

    In the depropanizer process, which component goes overhead?

    Propane

  • 25

    What can cause sustained overpressure in the fractionation process?

    Loss of condenser fan

  • 26

    What is the primary function of a desalter in refinery crude oil processing?

    Removing salt from the oil

  • 27

    Which of the following contaminants can be removed in a desalter?

    All answers are correct

  • 28

    What is the purpose of using electrostatic desalting in crude oil processing?

    To enhance water/oil separation

  • 29

    What is the role of desalting aids in the desalter?

    Enhancing water separation

  • 30

    Which type of oil is relatively easy to desalt?

    Light (high API gravity) oils

  • 31

    What is the optimal operating temperature range for production field desalters?

    1000°F - 2000°F

  • 32

    What can excessively high desalter operating temperatures cause?

    All answers correct

  • 33

    What is the typical operating temperature range for refinery desalters?

    200°F - 3000°F

  • 34

    What is the main purpose of operating desalters at high temperatures?

    To increase the settling rate of water droplets

  • 35

    Why is the operating temperature range higher for refinery desalters compared to production field desalters?

    To melt waxes hindering coalescence and water separation

  • 36

    What is the purpose of maintaining a sufficiently high operating pressure in a desalter?

    To prevent vaporization in the vessel

  • 37

    What happens if a vapor space develops in the desalter vessel?

    The electrodes are de-energized automatically

  • 38

    Where is the wash water normally injected in the desalter system?

    Just downstream of the mixing valve

  • 39

    What is the typical operating pressure range for desalters?

    65-300 psig

  • 40

    What is the purpose of wash water addition in the desalting process?

    To improve the contacting and coalescence of brine droplets