Ch06TBAns - CHAPTER 6 HUMIDITY, SATURATION, AND STABILITY _...

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CHAPTER 6 HUMIDITY, SATURATION, AND STABILITY __________________________________________________________ MULTIPLE CHOICE QUESTIONS 1. On the continents, annual precipitation ______ annual evapotranspiration. a. is greater than b. equals c. is less than *a. is greater than 2. On the ocean, annual precipitation ______ annual evaporation. a. is greater than b. equals c. is less than *c. is less than 3. Evaporation is to condensation as sublimation is to ______. a. evaporation b. deposition c. precipitation d. evapotranspiration e. None of these is correct. *b. deposition 4. Deposition is to sublimation as evaporation is to ______. a. evapotranspiration b. sublimation c. relative humidity d. deposition e. condensation *e. condensation 5. In an agricultural field, direct evaporation of water from the soil is usually ______ transpiration of water by plants. a. less than b. about the same as the c. more than
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*a. less than 6. Direct vaporization of snow or ice without melting is known as a. sublimation. b. deposition. c. evaporation. d. evapotranspiration. e. transpiration. *a. sublimation. 7. The saturation vapor pressure increases with ______ air temperature. a. rising b. falling *a. rising 8. The saturation mixing ratio increases with ______ air temperature. a. rising b. falling *a. rising 9. As the temperature of a saturated (cloudy) air parcel falls, its relative humidity ______. a. increases b. decreases c. does not change *c. does not change 10. If a saturated (cloudy) air parcel is heated (say by absorption of radiation), its relative humidity ______. a. increases b. decreases c. does not change *b. decreases 11. If the temperature of an unsaturated (clear) air parcel does not change while its mixing ratio increases, the density of the parcel ______. a. increases b. decreases c. does not change *b. decreases
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12. If the mixing ratio of a parcel of air is 2 grams per kilogram and its saturation mixing ratio is 6 grams per kilogram, the relative humidity is ______ percent. a. 3 b. 33.3 c. 40 d. 300 e. 333 *b. 33.3 13. If the mixing ratio of a parcel of air is 6 grams per kilogram and the relative humidity is 25 percent, the saturation mixing ratio is ______ grams per kilogram. a. 1.5 b. 12 c. 8 d. 2 e. None of these is correct. *e. None of these is correct. 14. If the air temperature is 12 o C and the vapor pressure is the same as the saturation vapor pressure, the relative humidity is a. less than 100%. b.
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This note was uploaded on 09/12/2008 for the course GEOS 220 taught by Professor Mountain during the Spring '08 term at University of Louisville.

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Ch06TBAns - CHAPTER 6 HUMIDITY, SATURATION, AND STABILITY _...

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