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Questions for ADIABATIC AND STABILITY1

Answer the following questions

1. A layer of air can be
2. The DALR is
3. The stability in a layer is increasing if
4. Why does air cool as it rises?
5. In unstable air, surface visibility is most likely to be restricted by
6. The rate of cooling of ascending saturated air is less than the rate of cooling of ascending unsaturated air because:
7. From which of the following can the stability of the atmosphere be determined?
8. ELR is 1°C/100m
9. What happens to the temperature of a saturated air mass when descending?
10. During an adiabatic process heat is
11. What happens to stability of the atmosphere in an isothermal layer? (Temp constant with height)
12. In an air mass with no clouds the surface temperature is 15°C and 13°C at 1000m. This layer of air is
13. A parcel of air cooling by more than 1°C/100m is said to be?
14. In still air a lapse rate of 1.2°C/100m refers to
15. If the ELR is 0.65°C/100m
16. Which of the following gives conditionally unstable conditions when saturated?
17. When warm air is advected in the lower part of a cold layer of air
18. What happens to the temperature of a saturated air mass when forced to descend?
19. What is the effect of a strong low level inversion?
20. A mass of unsaturated air is forced to rise till just under the condensation level. It then settles back to its original position
21. In an unstable layer there are cumuliform clouds. The vertical extent of these clouds depends on the
22. The temperature at the surface is 15°C, the temperature at 1000m is 13°C.Is the atmosphere
23. What happens to the stability of the atmosphere in an inversion? (Temp increasing with height) Absolutely stable