Meteorology - ATPL - Airline Transport Pilot license

Test 10 domande ATPL - Airline Transport Pilot license - Meteorology, tempo libero

1 - At which altitude, at temperate latitudes, may hail be expected in connection with a CB? From the ground up to about FL 200. From the ground up to about FL 100. From the ground up to a maximum of FL 450. From the base of the clouds up to about FL 200.

2 - Which of the following statements concerning the lifting of a parcel of air is correct ? Unsaturated parcels cool more rapidly than saturated parcels Saturated parcels always cool at a rate of 0.65°C per 100m Unsaturated parcels cool at a rate of 0.65°C per 100m Unsaturated parcels cool less rapidly than saturated parcels

3 - The temperature at the surface is given as +15°C and at 4000 FT it is +9°C, the state of this layer is said to be: Stable Unstable Absolutely unstable Conditionally unstable

4 - Rising air cools because: It becomes more moist Surrounding air is cooler at higher levels It contracts It expands

5 - Runway Visual Range (RVR) is Usually better than visibility Measured with ceilometers alongside the runway Reported in AIRMET and METAR Reported when visibility is less than 2000m

6 - What is the main composition of clouds classified as 'high level clouds'? Supercooled water droplets. Ice crystals. Water vapour. Water droplets.

7 - Considering the route from Lisbon to Freetown, the Harmattan is a SW monsoonal wind causing extensive areas of advection fog along the West African coast south of 15°N. NE wind affecting north-west Africa during November to April reducing visibility in rising dust. Localised depression giving squally winds. Warm southerly dust-bearing wind affecting the coast of North Africa.

8 - How does temperature vary with increasing altitude in the ICAO standard atmosphere below the tropopause? Increases Decreases Remains constant At first it increases and higher up it decreases

9 - Where is the projection of the polar front jet on the surface stream most likely to be found in relation to the cold and warm fronts of a depression? Up to 100 NM either side of the cold front and up to 200 NM either side of the warm front 50 to 200 NM behind the cold front and 300 to 450 NM ahead of the warm front 300 to 450 NM behind the cold front and 50 to 200 NM ahead of the warm front Up to 200 NM either side of the cold front and up to 200 NM either side of the warm front

10 - What is signified if an occlusion is described as 'cold'? It derives from a polar depression The air ahead of the associated warm front is colder than the air behind the associated cold front The air ahead of the associated warm front is less cold than the air behind the associated cold front On meeting the warm front, the cold front moves up the warm frontal surface

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