Chemical Engineering Exam > Chemical Engineering Questions > _______ occurs when atmospheric temperature i...
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_______ occurs when atmospheric temperature increases with height.
- a)Negative lapse rate
- b)Positive lapse rate
- c)Neutral lapse rate
- d)Sub adiabatic lapse rate
Correct answer is option 'D'. Can you explain this answer?
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_______ occurs when atmospheric temperature increases with height.a)Ne...
Explanation: When the temperature increases with an increase in altitude, Sub adiabatic lapse rate occur and there will be stable environment. ... Explanation: Under negative lapse rate, the colder air is below the warmer air. It can be occurred near the earth's surface.
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_______ occurs when atmospheric temperature increases with height.a)Ne...
Subadiabatic Lapse Rate
Definition: The subadiabatic lapse rate refers to the rate at which atmospheric temperature decreases with height when the air is not undergoing adiabatic processes.
Explanation:
Lapse Rate: The lapse rate is the rate at which the temperature of the atmosphere changes with altitude. It is typically measured in degrees Celsius per kilometer (°C/km) or degrees Fahrenheit per thousand feet (°F/1000 ft).
Adiabatic Process: An adiabatic process is a thermodynamic process in which there is no exchange of heat between a system and its surroundings. In the context of the atmosphere, adiabatic processes occur when air parcels rise or descend without exchanging heat with their surroundings.
Temperature Changes in the Atmosphere:
- In general, the temperature of the atmosphere decreases with increasing altitude. This is known as the normal lapse rate.
- However, the lapse rate can vary depending on various factors such as humidity, stability of the atmosphere, and presence of adiabatic processes.
Subadiabatic Lapse Rate:
- The subadiabatic lapse rate occurs when the atmospheric temperature increases with height, which is the opposite of the normal lapse rate.
- This phenomenon is relatively rare and is usually associated with the presence of inversions in the atmosphere.
- Inversions occur when a layer of warm air lies above a layer of cooler air, which prevents the vertical mixing of air and leads to temperature inversion.
- The subadiabatic lapse rate can also occur in certain atmospheric conditions where the air is stable and there is limited vertical mixing.
Importance:
- The subadiabatic lapse rate has important implications for weather and climate patterns.
- It can affect the development of clouds, precipitation, and the stability of the atmosphere.
- It can also influence the dispersion and mixing of pollutants in the atmosphere.
Conclusion:
The subadiabatic lapse rate occurs when the atmospheric temperature increases with height, which is the opposite of the normal lapse rate. This phenomenon is relatively rare and is usually associated with the presence of inversions in the atmosphere or stable atmospheric conditions. The subadiabatic lapse rate has important implications for weather and climate patterns, as well as the dispersion of pollutants in the atmosphere.
Definition: The subadiabatic lapse rate refers to the rate at which atmospheric temperature decreases with height when the air is not undergoing adiabatic processes.
Explanation:
Lapse Rate: The lapse rate is the rate at which the temperature of the atmosphere changes with altitude. It is typically measured in degrees Celsius per kilometer (°C/km) or degrees Fahrenheit per thousand feet (°F/1000 ft).
Adiabatic Process: An adiabatic process is a thermodynamic process in which there is no exchange of heat between a system and its surroundings. In the context of the atmosphere, adiabatic processes occur when air parcels rise or descend without exchanging heat with their surroundings.
Temperature Changes in the Atmosphere:
- In general, the temperature of the atmosphere decreases with increasing altitude. This is known as the normal lapse rate.
- However, the lapse rate can vary depending on various factors such as humidity, stability of the atmosphere, and presence of adiabatic processes.
Subadiabatic Lapse Rate:
- The subadiabatic lapse rate occurs when the atmospheric temperature increases with height, which is the opposite of the normal lapse rate.
- This phenomenon is relatively rare and is usually associated with the presence of inversions in the atmosphere.
- Inversions occur when a layer of warm air lies above a layer of cooler air, which prevents the vertical mixing of air and leads to temperature inversion.
- The subadiabatic lapse rate can also occur in certain atmospheric conditions where the air is stable and there is limited vertical mixing.
Importance:
- The subadiabatic lapse rate has important implications for weather and climate patterns.
- It can affect the development of clouds, precipitation, and the stability of the atmosphere.
- It can also influence the dispersion and mixing of pollutants in the atmosphere.
Conclusion:
The subadiabatic lapse rate occurs when the atmospheric temperature increases with height, which is the opposite of the normal lapse rate. This phenomenon is relatively rare and is usually associated with the presence of inversions in the atmosphere or stable atmospheric conditions. The subadiabatic lapse rate has important implications for weather and climate patterns, as well as the dispersion of pollutants in the atmosphere.
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