PHSC 210 Quiz 8 – Question and Answers




PHSC 210 Quiz 8 – Question and Answers

  1. Which of the following is the cause of sea breezes?
  2. Which mechanism of forced instability is defined as “air moving into a low pressure system causes air to rise?”
  3. What does the Latin word ‘cirrus’ mean?
  4. Which of the following happens at the lifting condensation level (LCL)?
  5. You plan a day trip into the mountains and want to estimate the temperature at the mountain peak. You measure an air temperature of 25°C and the peak is 2.5 km above your starting location. What is the temperature at the peak if the air is dry (no clouds)?
  6. Your clothes become damp on a hot summer day because of which of the following?
  7. Which kind of fog forms as warm moist air moves across a cold surface?
  8. Which is the correct description of a dry haze?
  9. What is the definition of aggregation?
  10. Which of the following is true about the pressure gradient force (PGF)?
  11. Which of the following statements is true when comparing humidity levels in the Sahara desert to humidity levels in Antarctica?
  12. Which of the following is a phase change as water goes from a solid to a vapor?
  13. Which of the following objects has the highest saturation vapor pressure, thus making it most difficult for it to grow in size when in the presence of the others?
  14. Which of the following conditions is necessary for winds to be geostrophic?
  15. Why is the moist lapse rate less than the dry lapse rate?
  16. Which form of precipitation is observed if a thick layer of warm air (above freezing) is placed over a thick layer of cold air (below freezing)?
  17. In a thermal circulation what is happening at the surface of the warm column of air?
  18. On a warm summer day you see cumulus clouds form due to rising thermals from the surface. If the surface air temperature is 32°C and the dew point temperature is 20°C, what is the altitude of the cloud base?
  19. Relative humidity can never exceed 100% in the atmosphere.
  20. Air forced downward becomes warmer and more stable.
  21. Relative humidity is highest in the afternoon when the air temperature is highest.
  22. Air flow around a low pressure system is clockwise in the Northern Hemisphere.
  23. Drizzle consists of small water droplets falling from nimbostratus clouds.
  24. The abbreviation for cumulonimbus is Cn.
  25. Fog cannot form when the air is below freezing.


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