Ch07TBAns - CHAPTER 7 CLOUDS PRECIPITATION AND WEATHER RADAR MULTIPLE CHOICE QUESTIONS 1 a b c The activation temperature of most ice-forming

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CHAPTER 7 CLOUDS, PRECIPITATION, AND WEATHER RADAR __________________________________________________________ MULTIPLE CHOICE QUESTIONS 1. The activation temperature of most ice-forming nuclei is ______ 0 o C. a. above b. about c. well below *c. well below 2. Hygroscopic nuclei ______ water molecules. a. repel b. attract c. vaporize *b. attract 3. Hygroscopic nuclei a. have numerous natural and human-related sources. b. are relatively abundant downwind of urban-industrial areas. c. favor cloud formation at relative humidities under 100%. d. All of the above are correct. e. None of the above is correct. *d. All of the above are correct. 4. The relative humidity within a cloud is ______ 100 percent. a. much less than b. about c. much greater than *b. about 5. The British naturalist who is credited with being among the first to devise a classification of cloud types is a. Benjamin Franklin. b. Stefan-Boltzmann. c. Luke Howard. d. Sir Isaac Newton. e. Charles Boyle.
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*c. Luke Howard. 6. A cloud that develops as a consequence of local convection is a. stratus. b. cirrus. c. cirrostratus. d. nimbostratus. e. cumulus. *e. cumulus. 7. Which one of the following cloud types would most likely be responsible for producing heavy rain? a. cumulus b. cumulonimbus c. altocumulus d. cirrocumulus e. cirrus *b. cumulonimbus 8. A cloud that forms when warm air overrides cold air is a. cumulus. b. cumulonimbus. c. cirrostratus. d. cumulus congestus. e. None of these is correct. *c. cirrostratus. 9. A cloud that exhibits considerable vertical development is a. fair-weather cumulus. b. altostratus. c. stratocumulus. d. cirrus. e. cumulonimbus. *e. cumulonimbus. 10. All of the following clouds typically have relatively low bases with the exception of a. cirrus. b. stratus. c. stratocumulus. d. fog. e. nimbostratus.
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*a. cirrus. 11. Which one of the following clouds is most likely composed of ice crystals only? a. stratus b. cumulonimbus c. cirrus d. nimbostratus e. altocumulus *c. cirrus 12. A mountain-wave cloud: a. noctilucent b. stratus c. altocumulus lenticularis d. cumulonimbus e. nacreous *c. altocumulus lenticularis 13. A rarely seen cloud that forms in the mesosphere and may be composed of ice deposited on meteoric dust: a. noctilucent b. nacreous c. altocumulus lenticularis d. cirrus e. aurora borealis *a. noctilucent 14. All of the following clouds may be formed by waves propagating horizontally within the
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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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Ch07TBAns - CHAPTER 7 CLOUDS PRECIPITATION AND WEATHER RADAR MULTIPLE CHOICE QUESTIONS 1 a b c The activation temperature of most ice-forming

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