Meteorology - ATPL - Airline Transport Pilot license

Test 10 Questions ATPL - Airline Transport Pilot license - Meteorology, no time limit

1 - The thickness of the troposphere varies with Longitude Latitude The wind Rotation of the earth

2 - Which of the following clouds may extend into more than one layer? Stratus Nimbostratus Cirrus Altocumulus

3 - What jet streams are likely to be crossed during a flight from Stockholm to Rio de Janeiro (23°S) at FL 350 in July ? A polar front jet stream followed by one or two subtropical jet streams. One subtropical jet stream. A polar front jet stream followed by a subtropical jet stream and later, a second polar front jet stream. A subtropical jet stream followed by a polar front jet stream.

4 - Extensive cloud and precipitation is often associated with a non frontal thermal depression because of: Surface convergence and upper level divergence causing widespread ascent of air in the depression Surface divergence and upper level convergence causing widespread ascent of air in the depression Surface divergence and upper level convergence causing widespread descent of air in the depression Surface convergence and upper level divergence causing widespread descent of air in the depression

5 - Where are you likely to find the strongest winds close to the ground? At the centre of a high-pressure system At the centre of a low-pressure system Where there is little variation in pressure over a large area during the winter months In the transition zone between two air masses

6 - Which of the following sets of conditions are most favourable to the development of thunderstorms? Extensive isothermal layer, ice particles and water droplets must exist just below the freezing level and orographic lifting. Environmental lapse rate less than saturated adiabatic lapse rate with dew point below 0 °C and considerable surface heating. Environmental lapse rate greater than saturated adiabatic lapse rate through a great vertical extent, high relative humidity and an initial lifting process. Environmental lapse rate less than dry adiabatic lapse rate with freezing level below the cloud base, high relative humidity and strong surface winds.

7 - Examining the pictures, on which one of the tracks (dashed lines) is this cross-section to be expected?

Track B-D Track A-E Track A-D Track B-C

8 - What are the typical differences with regard to the temperature and humidity between an air mass with its origin in the Azores and an air mass with its origin over northern Russia ? The North-Russian air is colder and more humid than the air of the Azores. The air of the Azores is warmer and more humid than the North-Russian air. The North-Russian air is warmer and dryer than the air of the Azores. The air of the Azores is warmer and dryer than the North-Russian air.

9 - What is the approximate vertical interval which is equal to a pressure change of 1 hPa at an altitude of 5500 m? 8 m (27') 15 m (50') 64 m (210') 32 m (105')

10 - Supercooled droplets can occur in: Clouds but not in precipitation Precipitation but not in clouds Clouds, fog and precipitation Clouds but not in fog

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