11814094
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 size of raindrops form a cloud is greater if:
Answer
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Air is stable and cloud is layer type.
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Air is unstable and cloud is heap type.
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Cloud type is AC or NS.
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The relative humidity is high.
Question 2
Question
2- In aerodrome reports and forecasts the height of the cloud base refers to:
Answer
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The height above mean sea level.
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The height above aerodrome elevation.
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The pressure altitude of the cloud base.
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The height above the average ground level for the area.
Question 3
Question
3- Low cloud in temperate climates, excluding heap are those existing from:
Answer
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The surface to 6500 ft.
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1000 to 6500 ft.
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The surface to 7500 ft.
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The surface to 7500 m
Question 4
Question
4- In temperate latitudes which statement is correct:
Answer
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a) Ci only occurs above 15000 ft.
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b) Ci only occurs above 16500 ft.
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c) Ci only occurs above 25000 ft.
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d) Ci only occurs above 30000 ft.
Question 5
Question
5- The turbulence associated with cumulus cloud is:
Answer
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Moderate.
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Slight to nil.
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Nil.
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Moderate possibly severe.
Question 6
Question
6- Which of the following clouds is never a hazard to aviation:
Answer
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Nimbostratus.
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Noctilucent cloud.
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Cumulonimbus cloud.
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Stratus cloud.
Question 7
Question
7- Tropical Maritime Air over UK which originally had a surface temperature of 10oC and a lapse rate of 2oC per 1000 ft is subjected to frictional turbulence from the surface up to 3000 ft. After mixing and assuming the air remains dry, the surface temperature is likely to be:
Answer
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11.5oC.
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16oC.
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7oC.
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10oC.
Question 8
Question
8- Clouds formed by convection will always:
Answer
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Be layer clouds.
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Be Cu CB or Ns.
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Have a rising cloud base and may develop into CB as the day progress.
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For only in Polar maritime air.
Question 9
Question
9- The movement of cool moist air over a warmer surface is likely to cause:
Answer
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Cumulus or cumulonimbus cloud.
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Advection fog.
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Nimbostratus cloud.
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Alto cumulus lenticular cloud.
Question 10
Question
10- Typical base heights in temperate latitudes, of altocumulus cloud are in the range of:
Answer
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6500 ft to 23000 ft.
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5000 to 15000 ft.
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8500 to 18000 ft.
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1000 to 6500 ft.
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