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Questions for ATMOSPHERE 1

Answer the following questions

1. Which is true of the temperature at the tropopause?
2. The temperature at FL 110 is -5°C. What will the temperature be at FL 50 if the ICAO standard lapse rate is applied?
3. The temperature at FL 140 is -12°C. What will the temperature be at FL 110 if the ICAO standard lapse rate is applied?
4. The rate of decrease of temperature with height per 100 m in the International Standard Atmosphere is
5. What, approximately, is the average height of the tropopause over the equator?
6. What is the approximate composition of the dry air by volume in the troposphere?
7. In the lower part of the stratosphere the temperature
8. If you are flying at FL 120 and the outside temperature is -2°C, at what altitude will the “freezing level” be?
9. How would you characterise an air temperature of -15°C at the 700 hPa level over Western Europe?
10. What of the following is the most important constituent in the atmosphere from a weather stand-point?
11. The tropopause is a level at which
12. The average height of the tropopause at 50°N is about
13. A temperature of +15°C is recorded at an altitude of 500 metres above sea level. If the vertical temperature gradient is that of a standard atmosphere, what will the temperature be at the summit of a mountain, 2500 metres above sea level?
14. The temperature at 10,000 FT in the International Standard Atmosphere is
15. In the mid-latitudes the stratosphere extends on an average from
16. The thickness of the troposphere varies with
17. What is the boundary layer between troposphere and stratosphere called?
18. Which statement is correct regarding the International Standard Atmosphere?
19. The lowest assumed temperature in the ICAO Standard Atmosphere is
20. If you are flying at FL 300 in an air mass that is 15°C warmer than a standard atmosphere, what is the outside temperature likely to be?
21. What is the most likely temperature at the tropical tropopause?
22. The height and the temperature of the tropopause are respectively in the order of
23. The tropopause is lower
24. What is the vertical temperature lapse rate, up to 11 km, in the ICAO standard atmosphere?
25. At a certain position, the temperature on the 300 hPa chart is -48°C; according to the tropopause chart, the tropopause is at FL 330. What is the most likely temperature at FL 350?
26. Which layer of the atmosphere contains more than 90% of all water vapour?
27. The troposphere
28. The troposphere is the
29. Going from the equator to the North Pole, the altitude of the tropopause
30. How would you characterise an air temperature of -30°C at the 300 hPa level over Western Europe?
31. The temperature at FL 80 is +6°C. What will the temperature be at FL 130 if the ICAO standard lapse rate is applied?
32. The 0°C isotherm is forecast to be at FL 50. At what FL would you expect a temperature of -6°C?
33. How does temperature vary with increasing altitude in the ICAO standard atmosphere below the tropopause?
34. How does the height of the tropopause normally vary with latitude in the northern hemisphere?
35. How would you characterise an air temperature of -55°C at the 200 hPa level over Western Europe?
36. Which one of the following statements applies to the tropopause?
37. An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level?