Meteorology - ATPL - Airline Transport Pilot license

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

1 - The wind indicator for a weather observation receives the measured value from an anemometer. Where is this instrument placed? 1 m above the runway. Close to the station about 2 m above the ground. On a mast 6-10 m above the runway. On the roof of the weather station.

2 - How does moderate turbulence affect an aircraft? Large, abrupt changes in altitude or attitude occur but the aircraft may only be out of control momentarily. Changes in altitude or attitude occur but the aircraft remains in positive control at all times. Continued flight in this environment will result in structural damage. Rapid and somewhat rhythmic bumpiness is experienced without appreciable changes in altitude or attitude.

3 - What is the most likely cause of a lack of clouds at higher levels in a stationary high? Sinking air Divergence at higher levels Instability Rising air

4 - The 0° C isotherm is forecast to be at FL 50. At what FL would you expect a temperature of-6° C? FL 20 FL 80 FL 110 FL 100

5 - What prevents air from flowing directly from high-pressure areas to low-pressure areas ? Coriolis force The pressure gradient force Katabatic force Surface friction

6 - During periods of undisturbed radiation weather, overland, the Surface wind speed tends to be highest at night Angle between isobars and surface wind direction tends to be greatest in the mid afternoon Surface wind speed tends to be highest during the mid afternoon Wind tends to back from early morning until early afternoon

7 - In the ICAO Standard Atmosphere the decrease in temperature with height below 11 km is 1°C per 100m 0.65°C per 100m 0.6°C per 100m 0.5°C per 100m

8 - At approximately what flight level is the subtropical jet stream found? FL 200 FL 400 FL 500 FL 300

9 - In which layer is most of the atmospheric humidity concentrated? Stratosphere Tropopause Stratopause Troposphere

10 - Which of the following statements is true of the dew point of an air mass? It can be higher than the temperature of the air mass It can be used together with the air pressure to estimate the air mass's relative humidity It can only be equal to, or lower, than the temperature of the air mass It can be used to estimate the air mass's relative humidity even if the air temperature is unknown

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