CO2 Levels and Capture Quiz PDF

CO2 Levels and Capture Quiz Answers 1. What is the typical CO2 concentration in the flue gas stream of petroleum refining? A. 3% B. 7% C. 10% D. 15% Answer: 10% (C) The typical CO2 concentration in the flue gas stream of petroleum refining is 10%. 2. What is the CO2 concentration in the flue gas str...

CO2 Levels and Capture Quiz Answers 1. What is the typical CO2 concentration in the flue gas stream of petroleum refining? A. 3% B. 7% C. 10% D. 15% Answer: 10% (C) The typical CO2 concentration in the flue gas stream of petroleum refining is 10%. 2. What is the CO2 concentration in the flue gas stream of natural gas fired boilers? A. 3% B. 7% C. 10% D. 0.1% Answer: 7% (B) The CO2 concentration in the flue gas stream of natural gas fired boilers is 7-10%. 3. Which process employs physical separation for CO2 concentrations over 10%? A. Carbon Capture Technologies Process B. Post Combustion CO2 Air C. Pre-combustion Fuel Gasification D. Reformer + CO2 Separation Power Generation Answer: Pre-combustion Fuel Gasification (C) Pre-combustion Fuel Gasification process employs physical separation for CO2 concentrations over 10%. 4. What is the CO2 removal efficiency for Amine/MEA absorption/stripping? A. 80% B. 90% C. 95% D. 85% Answer: 90% (B) The CO2 removal efficiency for Amine/MEA absorption/stripping is 90%. 5. What is the cost of CO2 avoided for a PC plant with capture? A. €37/tCO2 B. €29/tCO2 C. €44/tCO2 D. €53/tCO2 Answer: €29/tCO2 (B) The cost of CO2 avoided for a PC plant with capture is €29/tCO2. 6. What is the capital cost for a PC plant without capture? A. $73/kW B. $2096/kW C. $1286/kW D. $46/MWh Answer: $1286/kW (C) The capital cost for a PC plant without capture is $1286/kW. 7. Where is the Miller field located? A. Norway B. England C. Scotland D. Ireland Answer: Scotland (C) The Miller field is located off the coast of Scotland. 8. What is the typical CO2 concentration in the flue gas stream of coal fired boilers? A. 11% B. 13% C. 10% D. 12% Answer: 12% (D) The typical CO2 concentration in the flue gas stream of coal fired boilers is 12-14%. 9. What is the CO2 removal efficiency for Refrigeration? A. 95% B. 80% C. 85% D. 90% Answer: 90% (D) The CO2 removal efficiency for Refrigeration is 90%. 10. What is the cost of CO2 captured for a PC plant with capture? A. $53/tCO2 B. $29/tCO2 C. $44/tCO2 D. $37/tCO2 Answer: $29/tCO2 (B) The cost of CO2 captured for a PC plant with capture is $29/tCO2. 11. Where is the Utsira aquifer located? A. Scotland B. Ireland C. England D. Norway Answer: Norway (D) The Utsira aquifer is located off the coast of Norway. 12. What is the cost of CO2 avoided for a PC plant with capture? A. €53/tCO2 B. €37/tCO2 C. €29/tCO2 D. €44/tCO2 Answer: €29/tCO2 (C) The cost of CO2 avoided for a PC plant with capture is €29/tCO2. 13. What is the approximate fit for the equation representing CO2 concentration (ppmv) over the years? A. $315.7+0.014138(Year-1958)^2$ B. $315.7(Year-1958)+0.014138(Year-1958)^2$ C. $315.7+0.68195(Year-1958)+0.014138(Year-1958)^2$ D. $315.7+0.68195(Year-1958)$ Answer: $315.7+0.68195(Year-1958)+0.014138(Year-1958)^2$ (C) The equation representing CO2 concentration (ppmv) over the years is given by $315.7+0.68195(Year1958)+0.014138(Year-1958)^2$ 14. What was the predicted CO2 concentration (ppmv) in January 2023? A. 360 ppmv B. 419.9 ppmv C. 440 ppmv D. 520 ppmv Answer: 419.9 ppmv (B) The predicted CO2 concentration (ppmv) in January 2023 was 419.9 ppmv 15. Who recognized the importance of remote/unperturbed sampling locations for sustained CO2 measurement? A. Charles D. Keeling B. Scripps Institute of Oceanography C. UC San Diego D. EASAC Answer: Charles D. Keeling (A) Charles D. Keeling recognized the importance of remote/unperturbed sampling locations for sustained CO2 measurement 16. What was the actual CO2 concentration (ppmv) in January 2023? A. 419.5 ppmv B. 520 ppmv C. 360 ppmv D. 440 ppmv Answer: 419.5 ppmv (A) The actual CO2 concentration (ppmv) in January 2023 was 419.5 ppmv 17. What was the total CO2 emissions in billion tonnes in 2019? A. 36.8 million tonnes B. 36.8 billion tonnes C. 0.033 billion tonnes D. 0.033 million tonnes Answer: 36.8 billion tonnes (B) The total CO2 emissions in billion tonnes in 2019 was 36.8 billion tonnes 18. Who perfected manometric (IR) measurements for CO2? A. EASAC B. UC San Diego C. Scripps Institute of Oceanography D. Charles D. Keeling Answer: Charles D. Keeling (D) Charles D. Keeling perfected manometric (IR) measurements for CO2 19. What was the CO2 concentration (ppmv) at the Mauna Loa Observatory? A. 480 ppmv B. 360 ppmv C. 440 ppmv D. 520 ppmv Answer: 360 ppmv (B) The CO2 concentration (ppmv) at the Mauna Loa Observatory was 360 ppmv 20. What is the cumulative change in CO2 concentration (ppmv) from 1750 to 2011? A. 520 ppmv B. 360 ppmv C. 440 ppmv D. 480 ppmv Answer: 480 ppmv (D) The cumulative change in CO2 concentration (ppmv) from 1750 to 2011 is 480 ppmv 21. Who is known for the Keeling Curve? A. UC San Diego B. Scripps Institute of Oceanography C. EASAC D. Charles D. Keeling Answer: Charles D. Keeling (D) The Keeling Curve is associated with Charles D. Keeling 22. What is the CO2 concentration (ppmv) in the atmosphere in the pre-industrial period (≤ 1750)? A. 440 ppmv B. 360 ppmv C. 520 ppmv D. Unknown Answer: Unknown (D) The CO2 concentration (ppmv) in the atmosphere in the pre-industrial period (≤ 1750) is not explicitly provided 23. What is the CO2 concentration (ppmv) in the atmosphere in 2020? A. 360 ppmv B. 440 ppmv C. Unknown D. 520 ppmv Answer: Unknown (C) The CO2 concentration (ppmv) in the atmosphere in 2020 is not explicitly provided 24. What is the CO2 concentration (ppmv) in the atmosphere in 2040? A. Unknown B. 520 ppmv C. 440 ppmv D. 360 ppmv Answer: Unknown (A) The CO2 concentration (ppmv) in the atmosphere in 2040 is not explicitly provided 25. What is the formula for calculating CO2 concentration (ppmv) based on the provided data? A. $315.7-0.68195(Year-1958)+0.014138(Year-1958)^2$ B. $315.7-0.68195(Year-1958)-0.014138(Year-1958)^2$ C. $315.7+0.68195(Year-1958)-0.014138(Year-1958)^2$ D. $315.7+0.68195(Year-1958)+0.014138(Year-1958)^2$ Answer: $315.7+0.68195(Year-1958)+0.014138(Year-1958)^2$ (D) The formula for calculating CO2 concentration (ppmv) is $315.7+0.68195(Year-1958)+0.014138(Year1958)^2$. 26. What was the predicted CO2 concentration (ppmv) in January 2023? A. 419.1 ppmv B. 420.2 ppmv C. 419.5 ppmv D. 419.9 ppmv Answer: 419.9 ppmv (D) The predicted CO2 concentration (ppmv) in January 2023 was 419.9 ppmv. 27. What was the actual CO2 concentration (ppmv) in January 2023? A. 419.9 ppmv B. 419.5 ppmv C. 419.1 ppmv D. 420.2 ppmv Answer: 419.5 ppmv (B) The actual CO2 concentration (ppmv) in January 2023 was 419.5 ppmv. 28. What is the total CO2 emissions in billion tonnes for 2019? A. 0.068 billion tonnes B. 0.033 billion tonnes C. 37.2 billion tonnes D. 36.8 billion tonnes Answer: 36.8 billion tonnes (D) The total CO2 emissions in billion tonnes for 2019 was 36.8 billion tonnes. 29. What is the approximate fit for atmospheric CO2 concentration (ppmv) at the Mauna Loa Observatory in the provided data? A. 360 B. 520 C. 440 D. 280 Answer: 440 (C) The approximate fit for atmospheric CO2 concentration (ppmv) at the Mauna Loa Observatory in the provided data is 440 ppmv. 30. Who is known for the Keeling Curve related to CO2 concentration? A. John Keeling B. Charles D. Keeling C. David Keeling D. Michael Keeling Answer: Charles D. Keeling (B) The Keeling Curve related to CO2 concentration is associated with Charles D. Keeling. 31. What year was the manometric (IR) measurements for CO2 perfected? A. 1958 B. 2019 C. 2060 D. 2005 Answer: 2060 (C) The manometric (IR) measurements for CO2 were perfected in the year 2060. 32. What period does the red arrows/numbers in the provided data represent? A. 2000-2020 B. Cumulative changes 1750-2011 C. 2000-2009 (annual anthro. fluxes) D. ≤ 1750 (pre-industrial) Answer: 2000-2009 (annual anthro. fluxes) (C) The red arrows/numbers in the provided data represent the period 2000-2009 (annual anthropogenic fluxes). 33. What does the black arrows/numbers in the provided data represent? A. ≤ 1750 (pre-industrial) B. 2000-2009 (annual anthro. fluxes) C. CO2 sources D. Cumulative changes 1750-2011 Answer: ≤ 1750 (pre-industrial) (A) The black arrows/numbers in the provided data represent the period ≤ 1750 (pre-industrial). 34. What is the total CO2 emissions in billion tonnes for 2019 related to capturing CO2? A. 37.2 billion tonnes B. 36.8 billion tonnes C. 0.068 billion tonnes D. 0.033 billion tonnes Answer: 0.033 billion tonnes (D) The total CO2 emissions in billion tonnes for 2019 related to capturing CO2 was 0.033 billion tonnes. 35. What was the CO2 concentration (ppmv) at the Mauna Loa Observatory in the year 1940? A. 1940 B. 280 C. 320 D. 360 Answer: 320 (C) The CO2 concentration (ppmv) at the Mauna Loa Observatory in the year 1940 was 320 ppmv. 36. What is the CO2 concentration (ppmv) at the Mauna Loa Observatory in the year 2020? A. 419.5 B. 414.9 C. 420.1 D. 415.2 Answer: 419.5 (A) The CO2 concentration (ppmv) at the Mauna Loa Observatory in the year 2020 was 419.5 ppmv.