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 (C)</p> Signup and view all the answers

Which form of solid precipitation is often confused with hail?

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

What inhibits hail growth?

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

What is the main purpose of constant pressure gas thermometers?

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

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

<p>Drizzle (C)</p> Signup and view all the answers

What is the composition of sleet?

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

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

<p>Rain (B)</p> Signup and view all the answers

What is the diameter range for drizzle droplets?

<p>&lt; 0.5 mm (D)</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 (B)</p> Signup and view all the answers

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

<p>Southern hemisphere (B)</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 (C)</p> Signup and view all the answers

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

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

Which belt do the Westerlies blow from?

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

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

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

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

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

Where do Monsoons usually flow from in winter?

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

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

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

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

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

What are the Westerlies known as in specific latitudes?

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

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

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

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

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

Where do Land Breezes typically blow from?

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

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

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

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

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

What instrument is used to measure atmospheric pressure?

<p>Barometer (A)</p> Signup and view all the answers

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

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

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

<p>Pascal (B)</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 (B)</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 (C)</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 (B)</p> Signup and view all the answers

What does relative humidity measure?

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

What happens to relative humidity as temperature increases?

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

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

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

What does specific humidity approximately equal?

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

In what units is absolute humidity expressed?

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

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