Atmospheric thermodynamics - Quiz
Atmospheric thermodynamics
  • 1. What type of circulation is the Hadley Circulation considered to be?
A) Indirect adiabatic circulation
B) Mechanically forced vortex circulation
C) Frictional boundary circulation
D) Thermally driven direct circulation
  • 2. What corresponds to the rising air in the equatorial region within the Hadley Circulation?
A) Warm and moist air
B) Cool and sinking air
C) Dense and stable air
D) Cold and dry air
  • 3. What corresponds to the descent of air in the subtropics within the Hadley Circulation?
A) Colder air
B) Moister air
C) Saturated air
D) Warmer air
  • 4. What is the net production resulting from the Hadley Circulation's direct circulation?
A) Electrical energy
B) Chemical energy
C) Kinetic energy
D) Potential energy
  • 5. What was the average thermodynamic efficiency of the Hadley system over the 1979-2010 period?
A) 10.0%
B) 5.2%
C) 1.3%
D) 2.6%
  • 6. At what average rate did the power generated by the Hadley regime rise over the 1979-2010 interval?
A) 2.50 TW per yr
B) 0.54 TW per yr
C) 1.20 TW per yr
D) 0.10 TW per yr
  • 7. What trend is consistent with the increased energy input to the Hadley system?
A) Global surface pressure drop
B) Tropical sea surface temperatures
C) Polar ice cap expansion
D) Stratospheric ozone depletion
  • 8. What thermodynamic cycle can model the behavior of a hurricane?
A) Brayton cycle
B) Otto cycle
C) Carnot cycle
D) Rankine cycle
  • 9. What serves as the heat reservoir for a hurricane heat engine?
A) The tropopause
B) The stratosphere
C) The ozone layer
D) The sea
  • 10. What is the approximate temperature of the sea acting as a heat reservoir for a hurricane?
A) 350K
B) 300K
C) 200K
D) 273K
  • 11. What serves as the heat sink for a hurricane heat engine?
A) The ocean floor
B) The tropopause
C) The continental crust
D) The sea surface
  • 12. What is the approximate temperature of the tropopause acting as a heat sink?
A) 300K
B) 273K
C) 150K
D) 200K
  • 13. What energy conversion occurs in a tropical cyclone Carnot cycle?
A) Chemical energy into thermal energy
B) Mechanical energy into latent heat
C) Heat energy into mechanical energy of winds
D) Potential energy into electrical energy
  • 14. What do parcels of air take up when traveling close to the sea surface during a hurricane?
A) Carbon dioxide and ozone
B) Ice crystals and nitrogen
C) Heat and water vapor
D) Dry air and dust
  • 15. What causes condensation and precipitation as warm air rises in a hurricane?
A) The air is compressed and heated
B) Friction with upper winds
C) The air expands and cools
D) Radiation loss to space
  • 16. What force propels the circulatory winds produced by rising air and condensation in a cyclone?
A) Gravitational force
B) Coriolis force
C) Magnetic force
D) Centrifugal force
  • 17. What change in the upper troposphere will increase maximum hurricane winds?
A) Constant temperature
B) Complete removal of thermal gradient
C) Increasing temperature
D) Decreasing temperature
  • 18. What change in the atmosphere close to the surface will increase maximum hurricane winds?
A) Decreasing pressure gradients
B) Increasing temperature
C) Decreasing temperature
D) Stabilizing moisture levels
  • 19. According to the Clausius-Clapeyron relation, by how much does the water-holding capacity of the atmosphere increase per Celsius rise in temperature?
A) About 1%
B) About 8%
C) About 25%
D) About 15%
  • 20. Which parameters does the Clausius-Clapeyron relation not directly depend on?
A) Saturation vapor pressure
B) Latent heat and entropy
C) Pressure or density
D) Temperature and volume
  • 21. What is another term for the water-holding capacity of the atmosphere mentioned in the text?
A) Adiabatic lapse rate
B) Potential temperature
C) Equilibrium vapor pressure
D) Specific heat capacity
  • 22. Which formula is used to approximate equilibrium vapor pressure?
A) Ideal gas law
B) Stefan-Boltzmann law
C) Coriolis formula
D) August-Roche-Magnus formula
  • 23. In the August-Roche-Magnus formula, what units are used for temperature T?
A) Degrees Celsius
B) Rankine
C) Kelvins
D) Fahrenheit
  • 24. In the August-Roche-Magnus formula, what units are used for the saturation vapor pressure es(T)?
A) atm
B) Pa
C) hPa
D) bar
  • 25. What constant is found in the numerator of the exponential term in the August-Roche-Magnus formula provided in the text?
A) 243.04
B) 17.625
C) 6.1094
D) 273.15
  • 26. What constant is subtracted or added in the denominator of the exponential term in the August-Roche-Magnus formula?
A) 17.625
B) 243.04
C) 100.00
D) 6.1094
  • 27. What multiplier is used outside the exponential function in the August-Roche-Magnus formula?
A) 17.625
B) 6.1094
C) 243.04
D) 1.0132
  • 28. When atmospheric temperature increases due to greenhouse gases, what should happen to absolute humidity assuming constant relative humidity?
A) Increase exponentially
B) Drop to zero
C) Remain completely constant
D) Decrease linearly
  • 29. Why is the purely thermodynamic argument regarding absolute humidity and global climate change subject to debate?
A) Radiation equations are fundamentally incorrect
B) Convective processes might cause extensive drying due to increased areas of subsidence
C) The Earth is flat and defies thermodynamics
D) Sea levels do not affect vapor pressure
  • 30. What else could influence the efficiency of precipitation in the climate change debate mentioned in the text?
A) Subsurface seismic activity
B) The tilt of the planetary axis
C) The intensity of convection
D) The rotation speed of the Earth
  • 31. What is cloud formation related to, which adds debate to the absolute humidity argument?
A) Surface friction
B) Relative humidity
C) Solar magnetic fields
D) Ocean salinity
  • 32. Who authored the 1955 paper on available potential energy and the maintenance of the general circulation?
A) Emanuel, K.
B) Lorenz, E. N.
C) Magnus
D) August-Roche
  • 33. In what year was E. N. Lorenz's paper on available potential energy published?
A) 1986
B) 2010
C) 1955
D) 1979
  • 34. In what journal was E. N. Lorenz's 1955 paper published?
A) J. Atmos. Sci.
B) Science
C) Nature
D) Tellus
  • 35. Who authored the 1986 air-sea interaction theory for tropical cyclones?
A) Magnus
B) Emanuel, K.
C) Clausius
D) Lorenz, E. N.
  • 36. In what journal was K. Emanuel's 1986 paper on tropical cyclones published?
A) J. Atmos. Sci.
B) Meteorological Monographs
C) Journal of Climate
D) Tellus
  • 37. According to Emanuel (1986), the energy cycle of the mature hurricane has been idealized as what type of engine?
A) Jet engine
B) Carnot engine
C) Stirling engine
D) Diesel engine
  • 38. What energy is extracted from the ocean and converted by the idealized hurricane energy cycle according to Emanuel (1986)?
A) Geothermal energy
B) Kinetic energy
C) Heat energy
D) Tidal energy
  • 39. What tool is used in the forecasting of storm development?
A) Magnetometers
B) Seismographs
C) Spectrophotometers
D) Atmospheric thermodynamic diagrams
  • 40. In terms of thermodynamic systems, how is the atmosphere classified?
A) As a closed cryogenic system
B) As a non-equilibrium system
C) As an isolated system in equilibrium
D) As a purely reversible system
  • 41. What causes the rise of less dense warmer air in the atmosphere?
A) Magnetic forces
B) Centrifugal forces
C) Frictional drag forces
D) Buoyant forces
  • 42. Which gas law is used as a tool in atmospheric thermodynamics?
A) Combined liquid-solid law
B) Ideal gas law
C) Boyle-Mariotte constant law
D) Van der Waals equation
  • 43. What is an isentropic process?
A) A process with constant volume and pressure
B) A process in which entropy is a constant
C) A process with maximum heat transfer
D) A process where temperature remains zero
  • 44. How are most tropospheric gases treated?
A) As incompressible liquids
B) As rigid solids
C) As ideal gases
D) As ionized plasmas
  • 45. What role do dissolved substances play in cloud dynamics?
A) Absorption of ultraviolet light
B) Effect on cloud condensation
C) Prevention of all precipitation
D) Generation of lightning bolts
  • 46. Which century saw early thermodynamicists develop mathematical models on fluid bodies and vapors?
A) Late 18th century
B) Early 19th century
C) Early 20th century
D) Late 19th century
  • 47. What equation is cited as an example of the early mathematical models related to combustion and pressure cycles?
A) Clausius–Clapeyron equation
B) Navier-Stokes equation
C) First law of thermodynamics
D) Ideal gas law
  • 48. Who published 'Graphical Methods in the Thermodynamics of Fluids' in 1873?
A) Willard Gibbs
B) Alfred Wegener
C) Émile Clapeyron
D) Rudolf Clausius
  • 49. During which decade did papers treating topics like dry and moist adiabatic processes appear?
A) 1860s
B) 1910s
C) 1840s
D) 1880s
  • 50. Who devised the first atmospheric thermodynamic diagram, known as the emagram, in 1884?
A) Frank W. Very
B) Heinrich Hertz
C) von Bezold
D) Sadi Carnot
  • 51. What is the name of the first atmospheric thermodynamic diagram devised by Heinrich Hertz?
A) Tephigram
B) Emagram
C) Stuve diagram
D) Skew-T log-P
  • 52. Who coined the term 'pseudo-adiabatic process'?
A) Rudolf Clausius
B) Willard Gibbs
C) Alfred Wegener
D) von Bezold
  • 53. In what year was von Bezold's voluminous work entitled 'On the thermodynamics of the atmosphere' published?
A) 1873
B) 1888
C) 1911
D) 1884
  • 54. Who published the book 'Thermodynamik der Atmosphäre' in Leipzig in 1911?
A) Heinrich Hertz
B) Émile Clapeyron
C) Sadi Carnot
D) Alfred Wegener
  • 55. Whose 1919 publication is the term 'atmospheric thermodynamics' traced back to?
A) Willard Gibbs
B) von Bezold
C) Rudolf Clausius
D) Frank W. Very
  • 56. By what decade did various textbooks on atmospheric thermodynamics begin to appear?
A) Late 1980s
B) Late 1960s
C) Late 1940s
D) Late 1970s
  • 57. What is atmospheric thermodynamics considered to be an integral part of today?
A) Oceanography
B) Seismology
C) Geological surveying
D) Weather forecasting
  • 58. Who recognized the dew point temperature as the point of saturation of air in 1751?
A) Jacques Charles
B) John Dalton
C) Charles Le Roy
D) Pierre Simon Laplace
  • 59. In what year was the concept of variation of temperature with height suggested?
A) 1751
B) 1801
C) 1782
D) 1784
  • 60. Who developed laws of pressures of vapours between 1801 and 1803?
A) Pierre Simon Laplace
B) John Dalton
C) James Pollard Espy
D) Joseph Louis Gay-Lussac
  • 61. Who developed the law of pressure variation with height?
A) Pierre Simon Laplace
B) William Ferrel
C) John Dalton
D) Sir Napier Shaw
  • 62. Who presented the dynamics causing westerlies in 1856?
A) Richard Asman
B) Hermann von Helmholtz
C) John William von Bezold
D) William Ferrel
  • 63. Who constructed the first aerological sonde measuring pressure, temperature, and humidity in 1893?
A) Tor Bergeron
B) Richard Asman
C) Irving Langmuir
D) Sir Napier Shaw
  • 64. Who introduced the tephigram in 1926?
A) Tor Bergeron
B) Sir Napier Shaw
C) Richard Asman
D) James Pollard Espy
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