Understanding Constant Pressure Gas Thermometers and Precipitation
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Questions and Answers

What is the main difference between hail and ice pellets?

  • Hail consists of balls of ice, while ice pellets are a form of solid precipitation.
  • Hail falls during cold weather, whereas ice pellets grow during low surface temperatures.
  • Hailstones are irregular lumps of ice, while ice pellets are smooth.
  • Hail growth is inhibited during low surface temperatures, but ice pellets generally fall in cold weather. (correct)

    • Which type of humidity is based on the actual amount of water vapor present in the air?

  • Absolute Humidity (correct)
  • Dew Point Humidity
  • Vapor Pressure Humidity
  • Relative Humidity

    • What does humidity indicate the likelihood for?

  • Blizzards
  • Rainbows
  • Thunderstorms
  • Precipitation, dew, or fog (correct)

    • How is absolute humidity mathematically expressed?

    <p>Ratio of mass of water vapor to mass of dry air</p> Signup and view all the answers

    Which form of solid precipitation is often confused with hail?

    <p>Ice pellets</p> Signup and view all the answers

    What inhibits hail growth?

    <p>Low surface temperatures</p> Signup and view all the answers

    What is the main purpose of constant pressure gas thermometers?

    <p>Adjusting other thermometers</p> Signup and view all the answers

    Which form of precipitation consists of liquid water drops smaller than those of rain?

    <p>Drizzle</p> Signup and view all the answers

    What is the composition of sleet?

    <p>A mixture of rain and partially melted snow</p> Signup and view all the answers

    Which of the following is responsible for depositing most of the fresh water on Earth?

    <p>Rain</p> Signup and view all the answers

    What is the diameter range for drizzle droplets?

    <p>&lt; 0.5 mm</p> Signup and view all the answers

    Which type of thermometer is often used to adjust other thermometers due to its precision?

    <p>Constant pressure gas thermometer</p> Signup and view all the answers

    In which hemisphere do the westerlies blow more robust and constant?

    <p>Southern hemisphere</p> Signup and view all the answers

    Which wind system is characterized by winds that blow from land to sea, carrying no moisture?

    <p>Land Breeze</p> Signup and view all the answers

    What is the direction in which Polar easterlies blow in the Northern Hemisphere?

    <p>Northeast to southwest</p> Signup and view all the answers

    Which belt do the Westerlies blow from?

    <p>Sub-polar low-pressure belts</p> Signup and view all the answers

    What term is commonly used to refer to the Westerlies' winds in specific latitudes?

    <p>Furious Forties</p> Signup and view all the answers

    Which type of wind system periodically reverses direction between summer and winter?

    <p>Monsoon winds</p> Signup and view all the answers

    Where do Monsoons usually flow from in winter?

    <p>Land to water</p> Signup and view all the answers

    What feature forms the basis of the monsoon in the Indian subcontinent?

    <p>Himalayan wall</p> Signup and view all the answers

    Which wind system blows from high-pressure polar areas of sub-polar lows?

    <p>Polar Easterlies</p> Signup and view all the answers

    What are the winds called when they blow as northeastern trades in the Northern hemisphere?

    <p>Southeastern trades</p> Signup and view all the answers

    What are the Westerlies known as in specific latitudes?

    <p>Howling Sixties, Raging Forties, Roaring Thirties</p> Signup and view all the answers

    In which direction do Polar Easterlies blow in the Southern Hemisphere?

    <p>Southeast to Northwest</p> Signup and view all the answers

    What is the main characteristic of Monsoon winds in low-latitude climates?

    <p>Periodic reversal of direction</p> Signup and view all the answers

    Where do Land Breezes typically blow from?

    <p>Land to sea</p> Signup and view all the answers

    What forms the basis of the monsoon in the Indian subcontinent?

    <p>Temperature difference over large oceans</p> Signup and view all the answers

    Which winds are characterized as 'cold, dry permanent winds'?

    <p>Polar Easterlies</p> Signup and view all the answers

    What instrument is used to measure atmospheric pressure?

    <p>Barometer</p> Signup and view all the answers

    Which physical quantity does atmospheric pressure decrease with at higher elevations?

    <p>Air density</p> Signup and view all the answers

    What is the standard unit for measuring pressure mentioned in the passage?

    <p>Pascal</p> Signup and view all the answers

    What is the primary cause of trade winds blowing from the right in the Northern hemisphere?

    <p>Coriolis effect</p> Signup and view all the answers

    Which type of wind is characterized by local breezes generated by heating of land surfaces?

    <p>Local winds</p> Signup and view all the answers

    What is the main factor responsible for differentiating global winds on Earth?

    <p>Distribution of land and water</p> Signup and view all the answers

    What does relative humidity measure?

    <p>Amount of water vapor relative to the air's saturation point</p> Signup and view all the answers

    How is specific humidity calculated?

    <p>Ratio of the mass of water vapor in an air parcel to the mass of dry air</p> Signup and view all the answers

    What happens to relative humidity as temperature increases?

    <p>It decreases</p> Signup and view all the answers

    Which type of wind is generated by the heating of land surfaces?

    <p>Local breezes</p> Signup and view all the answers

    What does specific humidity approximately equal?

    <p>Mixing ratio</p> Signup and view all the answers

    In what units is absolute humidity expressed?

    <p>$kg/m^3$</p> Signup and view all the answers

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