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Meteorology - ATPL - Airline Transport Pilot Licence

Test 10 domande Meteorology, tempo libero

1 - A Foehn wind occurs on the Windward side of a mountain range and is caused by surface heating Leeward side of a mountain range and is caused by significant moisture loss by precipitation from cloud Leeward side of a mountain range and is caused by the condensation level being lower on the leeward side than on the windward side Windward side of a mountain range and is caused by surface cooling and reverse air flow

2 - Which of the following changes of state is known as sublimation (in meteorology)? Solid direct to vapour Liquid direct to vapour Liquid direct to solid Solid direct to liquid

3 - You are planning to fly across a mountain range. The chart recommends a minimum altitude of 12000 feet above mean sea level. The air mass you will be flying through is an average 10°C warmer than IS Your altimeter is set to 1023 hPa (QNH of a nearby airport at nearly sea level). What altitude will the altimeter show when you have reached the recommended minimum altitude? 11520 feet 11790 feet 11250 feet 12210 feet

4 - Clear ice forms as a result of Supercooled water droplets spreading during the freezing process Supercooled droplets freezing on impact Ice pellets splattering on the aircraft Water vapour freezing to the aircraft

5 - The most dangerous form of airframe icing is Hoar frost. Dry ice. Clear ice. Rime ice.

6 - Which of the following circumstances most favour the development of radiation fog? Warm moist air at the windward side of a mountain Maritime tropical air flowing over cold sea Moist air over land during clear night with little wind Advection of very cold air over much warmer sea

7 - Which type wind flows downslope becoming warmer and dryer? Valley wind. Land breeze. Anabatic wind. Foehn wind.

8 - A plain in Western Europe with an average elevation of 500 m (1600') above sea level is covered with a uniform AC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected? 1500 - 7000' above the terrain 100 - 1500' above the terrain 15000 - 25000' above the terrain 7000 - 15000' above the terrain

9 - If you are flying at FL 300 in an air mass that is 15°C warmer than a standard atmosphere, what is the outside temperature likely to be? -60°C -45°C -15°C -30°C

10 - An aircraft flying at FL 45 (OAT 6°C) obtains a reading of 1860 ft on its radio altimeter (ground elevation 3090 ft). What is the value of the QNH, to the nearest hPa, at that point? 1030 1042 1013 996

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