11811366
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. When _____ moist air passes over a surface which is _____ than the dew point of the air, _____ fog can form. This occurs over _____.
Answer
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a. Cool. Warmer. Radiation. The sea.
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b. Warm. Cooler. Radiation. The land only.
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c. Cool. Warmer. Frontal. Land.
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d. Warm. Cooler. Advection. land and sea.
Question 2
Question
2. Radiation fog is most likely at an inland airfield in the UK with a relative humidity of 80% in the _____ with _____ and a wind of _____.
Answer
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Autumn. Clear skies. 2-8 knots.
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Spring. 6/8 ST and SC. 2-10 knots.
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Winter. Clear skies. 15/20 knots.
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Summer. Clear skies. no wind.
Question 3
Question
3. Fog may be defined as:
Answer
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A reduction of visibility to less than 1000 metres due to the presence of water vapour in the atmosphere.
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A reduction of visibility to less than 1000 metres due to the presence of water droplets in suspension in the atmosphere.
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A reduction of visibility to less than 1500 metres due to the presence of water droplets in suspension in the atmosphere.
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A reduction of visibility to less than 1000 ft due to the presence of water vapour in the atmosphere.
Question 4
Question
4. Several types of pressure distribution may be associated with radiation fog but
all have one feature in common which is:
Answer
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Closely spaced isobars.
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A tight pressure gradient.
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A slack pressure gradient.
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A rapidly falling pressure.
Question 5
Question
5. Advection fog:
Answer
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Only occurs at night and early morning.
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Is most likely with Polar Maritime air.
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Will only clear by insolation.
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Can sometimes last for 24 hours in winter.
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