Ch08TBAns - CHAPTER 8 WIND AND WEATHER _ MULTIPLE CHOICE...

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CHAPTER 8 WIND AND WEATHER __________________________________________________________ MULTIPLE CHOICE QUESTIONS 1. The pressure gradient force causes air to flow from areas of relatively ______ pressure to areas of relatively ______ pressure. a. low……………high b. high……………low *b. high……………low 2. Horizontal air pressure gradients arise from horizontal gradients in a. air temperature. b. vapor pressure. c. air density. d. Any of these is correct. e. None of these is correct. *d. Any of these is correct. 3. A vertical air pressure gradient is directed from the ______ to the ______. a. stratosphere. ...................... troposphere b. mesosphere. ...................... stratosphere c. thermosphere. ...................... troposphere d. troposphere. ...................... stratosphere e. mesosphere. ...................... troposphere *d. troposphere. ...................... stratosphere 4. ______ is the movement of air measured relative to the Earth's surface. a. Gravity b. The pressure gradient force c. The Coriolis effect d. The centripetal force e. Wind *e. Wind 5. ______ is numerically equivalent to a force per unit mass. a. Pressure b. Speed c. Acceleration
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d. Velocity e. None of these is correct. *c. Acceleration 6. The surface air pressure is higher in a(n) a. cyclone. b. anticyclone. *b. anticyclone. 7. The surface air pressure is lower in a(n) a. cyclone. b. anticyclone. *a. cyclone. 8. Neglecting friction and the Coriolis effect, what would be the direction of the wind along a coastline if the air pressure over the land were higher than over the adjacent water body? a. from water to land b. from land to water c. parallel to the coastline with low pressure to the left d. parallel to the coastline with high pressure to the left e. None of the above is correct. *b. from land to water 9. A change in horizontal air pressure gradient from 2 mb per 100 kilometers to 4 mb per 100 kilometers will result in ______ wind speed. a. higher b. lower c. no change in *a. higher 10. Due to the air pressure gradient alone, a parcel of air is accelerated a. toward low pressure and perpendicular to isobars. b. toward low pressure and parallel to isobars. c. toward high pressure and parallel to isobars. d. toward high pressure and perpendicular to isobars. e. None of the above is correct. *a. toward low pressure and perpendicular to isobars. 11. Where the horizontal air pressure gradient is zero over a broad region, a. air is calm.
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b. skies are usually cloudy and threatening. c. rain or snow is quite likely. d. All of the above are correct. e. None of the above is correct. *a.
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Ch08TBAns - CHAPTER 8 WIND AND WEATHER _ MULTIPLE CHOICE...

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