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Home > Training for exam quizzes ATPL, PPL(A), PPL(H), BPL Hot Air, BPL Gas, SPL - Sailplane, EASA Drone, FAA Drone > Meteorology - ATPL - Airline Transport Pilot license

Quiz Meteorology - ATPL - Airline Transport Pilot license

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

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1 - An isohypse (contour) Indicates the true altitude of a pressure level Indicates the altitude of the zero degree isotherm Is the limit between two air masses of different temperature Is the longest slope line of a frontal surface

2 - In a layer of air the decrease in temperature per 100 metres increase in height is more than 1°C. This layer can be described as being Conditionally unstable Absolutely stable This layer can be described as being conditionally unstable absolutely stable conditionally stable Absolutely unstable

3 - In the weather pattern behind a cold front, the visibility outside precipitation is Low and the precipitation is showers. Good and the precipitation is steady rain. Low and the precipitation is steady rain. Good and the precipitation is showers.

4 - Steaming fog (arctic sea smoke) occurs in air With cold mass properties That is stable That is absolutely stable With warm mass properties

5 - Which of the following is the definition of relative humidity ? Ratio between the actual mixing ratio and the saturation mixing ratio X 100 Ratio between water vapour (g) and air (kg) X 100 Ratio between water vapour pressure and atmospheric pressure X 100 Ratio between air temperature and dewpoint temperature X 100

6 - Considering the sector Rome to 25°N on the route indicated, what mean upper winds may be expected at FL 300 during winter?

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Light westerlies Variable easterlies Easterlies at 40 kt Westerly jet streams in excess of 70 kt

7 - A stationary observer in the northern hemisphere is situated in front of a depression. The centre of the depression passes from west to east and south of the observer. For this observer the wind Backs Initially backs, then veers Initially veers, then backs Veers

8 - The conditions most favourable to the formation of mountain waves are Wind speed less than 15 kt and wind direction at right angles to mountains - intense radiation cooling at night particularly at the higher levels Wind direction parallel to the general alignment of the mountain range - wind speed increasing with height - intense surface heating Wind direction parallel to the mountain range - wind speed increasing with height - extensive isothermal layer between mountain crests and the tropopause Wind direction approximately at right angles to the mountain range - wind speed 30 kt and steadily increasing with height - an inversion just above the crest level with less stable air above and below

9 - A layer can be: Stable for saturated air and unstable for unsaturated air Unstable for unsaturated air and neutral for saturated air Stable for unsaturated air and unstable for saturated air Unstable for unsaturated air and conditionally unstable

10 - Which one of the following statements regarding the intertropical convergence zone (ITCZ) is correct? Frequent and widespread thunderstorms are to be expected within the area of the ITCZ. The ITCZ is always associated with a strong jet stream. Thunderstorms seldom occur within the area of the ITCZ. The ITCZ does not change its position during the course of the year.

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