11813771
Description
Quiz by Jose Antonio Vazquez, updated more than 1 year ago
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Created by Jose Antonio Vazquez
over 6 years ago
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Question 1
Question
1- The actual change of temperature with height is known as:
Answer
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The environmental lapse rate.
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The adiabatic lapse rate.
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The temperature curve.
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The tephigram.
Question 2
Question
2- In a saturated atmosphere air which is forced to rise will:
Answer
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Tend to regain its former position if the ELR is less than the SALR.
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Tend to regain its former position if the ELR is greater than the SALR.
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Carry on rising if the ELR is less than the SALR.
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Classified as stable air when the ELR is greater than the SALR.
Question 3
Question
3- The DALR is greater than the SALR because:
Answer
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Saturated vapour pressure increases with increasing temperature.
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Convection is more active in dry than in moist air.
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The rate of cooling of saturated air is reduced by the release of latent heat of condensation.
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Because of the release of latent heat of evaporation.
Question 4
Question
4- Study the information given in the table below. If the air is forced to rise, the conditions most likely to lead to instability are given in which line?
Temp.at 2000 f________. Temp.at 5000 ff________ Relative humidity____
Answer
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+15ºC. +9ºC. 50%
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+15ºC. +10ºC. 100%
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+15ºC. 11ºC. 100%
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+15ºC. +12ºC. 50%
Question 5
Question
5- If the dry bulb temperature at the surface is +7,5ºC and the observed temperature at 4000 ft is +5,5ºC, the air could be best described as:
Answer
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Absolutely stable.
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Conditionally unstable.
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Unstable.
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Absolutely unstable.
Question 6
Question
6- If the temperature near the surface in Hong Kong is +31oC then rising saturated air will cool at a rate of:
Answer
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3 oC / 1000 ft
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2,5 oC / 1000 ft
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1,5 oC / 1000 ft
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1oC / 1000 ft
Question 7
Question
7- Neutral equilibrium in the atmosphere occurs when:
Answer
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Any air which is displaced upwards remains in its new position, once the displacing force is removed. This displaced air having no tendency to rise further or to sink back down.
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There is a thin stable layer at low levels but a much thicker unstable layer aloft.
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There is a state in which there is high relative humidity at low levels and a low relative humidity at high levels.
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There is a state in which there is a low relative humidity at low levels and a high relative humidity at high levels.
Question 8
Question
8- Which of the following statements is true?
Answer
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The tropopause is the dividing line between the stratosphere and the tropopause.
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Stability increases as the environmental lapse rate decreases.
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Heat is added to the environment by the evaporation of rain drops.
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High surface temperatures and a plentiful supply of moisture are the only conditions required for the development of thunderstorms.
Question 9
Question
9- When condensation takes place, the higher the temperature the _____ the amount of latent heat _____.
Answer
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Lesser, released.
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Greater, absorbed.
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Greater, released.
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Lesser, absorbed.
Question 10
Question
10- The air is stable if:
Answer
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It moves very little.
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There are a few changes in pressure.
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When a lifting force is removed the air tries to return to its original position.
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When a lifting force is removed the air continues to rise.
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