Index - Atpl Campus

100 item has been found

1-The air mass affecting position "P" is most likely to be

050 13621 Air Masses and Fronts

Continental polar. Maritime tropical. Maritime polar. Continental tropical.

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2-The air mass affecting position "A" is most likely to be

050 13614 Wind Uncategorized

Maritime polar. Continental tropical. Maritime tropical. Continental polar.

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3-The air mass affecting position "C" is most likely to be

050 13623 Uncategorized Wind

Continental polar. Maritime tropical. Maritime polar. Continental tropical.

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4-The air mass affecting position "S" is most likely to be

050 13632 Meteorological Information

Maritime tropical and stable. Continental tropical and unstable. Maritime polar and stable. Maritime polar and unstable.

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5-The air mass affecting position "R" is most likely to be

050 13620

Continental tropical. Maritime tropical. Maritime polar. Continental polar.

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6-The air mass at position "X" is most likely to be

050 13567 Air Masses and Fronts

Continental tropical. Maritime tropical. Continental polar. Maritime polar.

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7-Which of the following situations will most likely lead to a stable air mass?

050 15777 Thermodynamics

Widespread convection. Cold air at higher levels and advection of warm air at lower levels. Decreasing wind and developing showers. Subsidence and/or cooling from below.

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8-The weather most likely to be experienced at position A is

050 13596 Uncategorized Wind

clear skies, good visibility in light winds cumulus, cumulonimbus clouds, heavy rain or snow showers, medium to strong winds radiation fog, low stratus, drizzle, no medium or upper cloud, light wind mainly overcast with stratus or stratocumulus and drizzle, medium to strong winds

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9-In case of fronts, what cloud formation is most likely to occur at low levels when a warm air mass overrides a cold air mass?

050 1266 Air Masses and Fronts

Altostratus. Cumulonimbus. Cumulus. Nimbostratus.

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10-The weather most likely to be experienced at position "S" is

050 13619 Air Masses and Fronts

frequent heavy showers of rain or snow little or no cloud - hazy OVC SC morning fog lifting to low stratus

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11-The weather most likely to be experienced near to position "A" is

050 13568 Meteorological Information

advection fog and drizzle clear skies - radiation fog at night frequent showers of rain and snow, good visibility outside precipitation overcast layer cloud - rain later

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12-The weather most likely to be experienced at position "B" is

050 13566 Meteorological Information

mainly overcast with stratus or stratocumulus, drizzle clear skies, moderate wind, good visibility frequent showers of rain or snow, good visibility outside showers scattered stratocumulus with good visibility

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13-The weather most likely to be experienced at position "B" is

050 13557 Meteorological Information

advection fog and drizzle poor visibility in anticyclonic circulation early morning fog lifting to low stratus later frequent showers of rain or snow

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14-The weather most likely to be experienced at position "S" is

050 13573 Air Masses and Fronts

overcast with drizzle and orographic fog increasing AS and NS with moderate to heavy rain small amounts of CU with generally good visibility scattered thunderstorms and good visibility

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15-The weather most likely to be experienced at position "R" is

050 5029 Wind Uncategorized

early morning fog lifting to low stratus overcast with drizzle and hill fog increasing amounts of AS and NS - heavy rain fine and warm at first - AC Castellanus and CB in late afternoon with thunderstorms

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16-In unstable air, surface visibility is most likely to be restricted by

050 4135 Flight Hazards

haze drizzle low stratus showers of rain or snow

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17-In unstable air, surface visibility is most likely to be restricted by

050 1

showers of rain or snow low stratus drizzle haze

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18-The weather most likely to be experienced on the coast near position "Q" is

050 13575 Air Masses and Fronts

mainly clear skies with fog developing overnight showery with generally good visibility thundery showers particularly at night mainly overcast with poor visibility

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19-Which two air masses are most likely to govern weather in western Europe?

050 12837 Wind Uncategorized

Continental tropical warm and continental polar cold. Maritime polar warm and continental tropical warm. Maritime tropical warm and maritime polar cold. Maritime tropical warm and continental polar cold.

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20-The most likely place to encounter clear air turbulence associated with a jet stream is

050 10924 Uncategorized Wind

5000 feet or more above the core on the tropical side of the core close to the core on the side facing the polar air well below the core

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21-At which position is the development of thunderstorms most likely, and what is the maximum height of the CB clouds at 00 UTC?

050 1684 CAT

Position B, FL 270. Position D, FL 290. Position A, FL 200. Position C, FL 200.

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22-What is the surface visibility most likely to be in a warm sector of maritime tropical air during a summer afternoon in western Europe?

050 1274 Wind Uncategorized

Moderate (several km). Good (greater than 10 km). Very good (greater than 50 km). Very poor (less than 1 km).

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23-If you are flying at FL 100 in an air mass that is 10°C warmer than a standard atmosphere, what is the outside temperature likely to be?

050 2252 The Atmosphere

+15°C -10°C -15°C +5°C

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24-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?

050 2251 The Atmosphere

-15°C -30°C -45°C -60°C

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25-An air mass is:

050 13652 Air Masses and Fronts

a large body of air with temperature and humidity constant in the vertical. a large body of air within which the temperature and humidity is uniform in horizontal and vertical planes. an extensive body of air within which the temperature and humidity in horizontal planes are practically uniform. a body of air with a volume of not more than thousand cubic kilometres.

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26-At a certain position, the temperature on the 300 hPa chart is -48°C; according to the tropopause chart, the tropopause is at FL 330. What is the most likely temperature at FL 350 ?

050 19 The Atmosphere

-50°C. -58°C. -54°C. -56,5°C.

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27-In the northern hemisphere with an anticyclonic pressure system the geostrophic wind at 2000 FT over the sea is 060/15. At the same position the surface wind is most likely to be

050 13650

060/10 070/20 060/20 050/10

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28-What intensity and type of airframe icing is most likely to occur when flying at FL 170 in AS with the outside air temperature at -20°C?

050 10940 Flight Hazards

Light - rime Moderate - clear Moderate - hoar frost Severe - clear

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29-Frontal fog will most likely dissipate with

050 15813 Clouds and Fog

backing of the wind a decrease in wind speed decreasing intensity of precipitation the passage of a warm front

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30-A layer of stratus is most likely to be dispersed by

050 13653 Thermodynamics

insolation resulting in the lifting of the condensation level adiabatic cooling due to subsidence the release of latent heat due to precipitation absorption of longwaved solar radiation in the stratus layer

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31-Frontal fog is most likely to occur

050 4090 Clouds and Fog

in rear of a warm front in advance of a warm front in winter in the early morning in summer in the early morning

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32-What intensity and type of airframe icing is most likely to occur when aircraft descend rapidly from FL 320 (temp. -45°C) to FL 60 in warm, moist clear air?

050 10939 Flight Hazards

Nil ice Moderate opaque rime Light opaque rime and light clear ice Light or moderate hoar frost

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33-What is the classification of the airmass affecting position "Q" at 0600 UTC?

050 1368 Air Masses and Fronts

Tropical continental. Tropical maritime. Polar maritime. Polar continental.

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34-An air mass is stable when

050 4149 Wind Uncategorized

the lapse rate is 1°C per 100 m temperature in a given area drops off very rapidly with height pressure is constant lifted air returns to its original level

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35-An air mass is unstable when

050 4148 Uncategorized Wind

temperature increases with height pressure shows a marked variation over a given horizontal area temperature and humidity are not constant an ascending parcel of air continues to rise to a considerable height.

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36-The cloud most likely to be experienced in square 1E is

050 13617 Wind Uncategorized

CI CB AS AC

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37-Advection fog is most likely to form when

050 10853 Uncategorized Wind

warm maritime air flows over a relatively warmer surface and the wind speed is greater than 15 kt cold air is forced over higher ground and further adiabatic cooling occurs cold maritime air flows over a warmer surface and the wind speed is greater than 15 kt a mild moist airstream flows over snow covered ground and the wind speed is less than 10 kt

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38-Hoar frost is most likely to form when

050 4253 Flight Hazards

taking off from an airfield with a significant ground inversion (sky clear). flying inside convective clouds. flying in supercooled drizzle. flying inside stratiform clouds.

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39-Sea breezes are most likely to occur when

050 10911 Wind

a slack pressure gradient, relatively high sea temperatures and overcast conditions persist slack pressure gradient and clear skies result in relatively high land temperatures a strong pressure gradient, relatively high sea temperatures and clear skies at night exist a strong pressure gradient, relatively high sea temperatures and overcast conditions persist

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40-Ice accretion to the airframe is likely to be most hazardous at temperatures

050 10889 Flight Hazards

below -40°C in CB between 0°C and -17°C in ST between 0°C and -23°C in large CU between 0°C and -17°C in AS

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41-In which areas are easterly waves most likely to form?

050 16312 Climatology

Just north of the prevailing westerlies In the trade wind zone In the region of the equator between 0° and 5° north or south In the subtropical high pressure belt between 20° and 35° north or south

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42-In which situation is advection fog most likely to form?

050 15579 Wind Uncategorized

A light breeze blowing colder air out to sea. A warm moist air mass on the windward side of the mountains. Warm moist air settling over a warmer surface under no-wind conditions. An air mass moving inland from the coast in winter.

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43-In which situation is advection fog most likely to form?

050 13829 Wind Uncategorized

An air mass moving inland from the coast in winter. A light breeze blowing colder air out to sea. Warm moist air settling over a warmer surface under no-wind conditions. A warm moist air mass on the windward side of the mountains.

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44-Where is a squall line most likely to be expected?

050 232 Flight Hazards

At the surface position of a warm front. In front of a cold front occlusion at higher levels. In front of an active cold front. Behind a cold front.

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45-What is the most likely temperature at the tropical tropopause?

050 1248 The Atmosphere

-35°C. -75°C. -25°C. -55°C.

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46-With what type of clouds are showers most likely associated?

050 1257 Precipitation

Cumulonimbus. Stratus. Nimbostratus. Stratocumulus.

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47-What would you most likely expect in a microburst?

050 1

Inversion Updraft Windshear Upgust

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48-An unstable air mass will normally be characterised by

050 10866 Air Masses and Fronts

stratiform cloud continuous light rain from medium level layer cloud poor visibility due to haze at the lower levels cumuliform cloud and good visibility except in precipitation

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49-An air mass is called stable when

050 3730 Wind Uncategorized

the environmental lapse rate is high, with little vertical motion of air currents the pressure in a given area is constant the temperature in a given air mass decreases rapidly with height the vertical motion of rising air tends to become weaker and disappears

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50-Which of the following sets of conditions are most likely to lead to the formation of advection fog?

050 10965 Wind Uncategorized

Cold maritime air flowing over a warmer land surface at a speed greater than 15 kt A mild moist airstream flowing over colder surfaces with a wind in excess of 30 kt Clear skies at night over an inland marshy area A mild moist airstream flowing over colder surfaces with the wind speed less than 15 kt

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51-What conditions are most likely to prevail at an aerodrome located in square 3B?

050 13590 Meteorological Information

Intermittent thunderstorms otherwise generally clear skies with good visibility Broken CU base 2000 FT, visibility more than 5 km, occasional showers of rain or snow Mainly overcast at 8000 FT, visibility less than 5 km in continuous moderate rain 6 - 8 oktas SC and ST, visibility moderate to poor in drizzle

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52-The front located from 10°W to 10°E is most likely to be

050 13582 Meteorological Information

an active warm front moving north a cold front moving south an active occlusion moving south a quasi-stationary front

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53-The occurrence of freezing rain at FL 60 is most likely in square

050 13586 Air Masses and Fronts

2A 3C 2D 3B

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54-What weather conditions are most likely to affect an approach to Dakar during July?

050 5026 Climatology

Reduced visibility due to the rising sand of the Harmattan Generally clear skies - NW trade winds Dry and clear due to the influence of the Azores high pressure system Wet and thundery due to the proximity of the intertropical convergence zone (ITCZ)

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55-At the top of orographic waves, in mountainous regions, the cloud most likely to be encountered is

050 5544 Uncategorized Wind

cumulus mediocris. cirrus. cirrostratus. altocumulus lenticularis.

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56-A small supercooled cloud droplet that collides with an airfoil will most likely

050 4256 Flight Hazards

freeze immediately and create rime ice. travel back over the wing, creating clear ice. travel back over the wing, creating rime ice. freeze immediately and create clear ice.

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57-The range of wind speed in which radiation fog is most likely to form is:

050 4201 Clouds and Fog

above 15 kt between 5 and 10 kt below 5 kt between 10 and 15 kt

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58-The formation of clear ice on the leading edges of an aircraft is most likely to be caused by the

050 10917 Flight Hazards

relatively slow freezing of small supercooled water droplets and ice crystals instantaneous freezing of large supercooled water droplets and snow crystals relatively slow freezing of large supercooled water droplets instantaneous freezing of small supercooled water droplets

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59-On which side of an easterly wave are thunderstorms most likely to develop?

050 16531 Climatology

On the west side of the wave On the south side of the wave On the east side of the wave On the north side of the wave

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60-In which of the following conditions is moderate to severe airframe icing most likely to be encountered?

050 1588 Clouds and Fog

In Nimbostratus cloud Within cloud of any type Below the freezing level in clear air In clear air above the freezing level

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61-What is the most likely cause of a lack of clouds at higher levels in a stationary high?

050 1605 Pressure Systems

Sinking air Divergence at higher levels Instability Rising air

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62-Which of the following is most likely to lead to the dissipation of radiation fog ?

050 1590 Clouds and Fog

Ground cooling caused by radiation during the night A marked increase in wind velocity near the ground A build up of a high pressure area resulting in adiabatic warming associated with a sinking air mass A marked decrease in wind velocity close to the ground

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63-What conditions are most likely to lead to the formation of hill fog?

050 1102 Clouds and Fog

Clear skies, calm or light winds, with relatively low humidity Precipitation which is lifted by the action of moderate winds striking the range Humid stable air mass, wind blowing towards the hills. High relative humidity and an unstable air mass

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64-The most likely reason for radiation fog to dissipate or become low stratus is:

050 1089 Clouds and Fog

an increasingly stable atmosphere. a low level temperature inversion. surface cooling. increasing surface wind speed.

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65-Which of the following conditions is most likely to cause airframe icing ?

050 459 Flight Hazards

GR PE +FZRA SHSN

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66-Which of the following zones is most likely to encounter little or no precipitation?

050 1214 Climatology

Occlusions. Frontal zones. The north side of the alps with a prevailing Foehn from the north. The north side of the alps with a prevailing Foehn from the south.

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67-In which of these temperature bands is ice most likely to form on the aircraft's surface?

050 454 Flight Hazards

0°C to -10°C +10°C to 0°C -35°C to -50°C -20°C to -35°C

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68-At what time of the year are tornadoes most likely to occur in North America?

050 228 Flight Hazards

Winter. Summer, autumn. Spring, summer. Autumn, winter.

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69-During which seasons are hurricanes most likely to appear in the northern hemisphere?

050 1282 Pressure Systems

Winter and spring. Summer and autumn. All seasons. Winter.

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70-Which one of the following types of cloud is most likely to produce heavy precipitation ?

050 1224 Precipitation

ST. CS. SC. NS.

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71-At what time of day, or night, is radiation fog most likely to occur?

050 1258 Clouds and Fog

At sunset. Late evening. Shortly after midnight. Shortly after sunrise.

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72-Under which of the following conditions is the most severe CAT likely to be experienced ?

050 4162 Wind

A jet stream, with great spacing between the isotherms A westerly jet stream at low latitudes in the summer A straight jet stream near a low pressure area A curved jet stream near a deep trough

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73-In the vicinity of industrial areas, smoke is most likely to affect surface visibility when

050 4139 Flight Hazards

the surface wind is strong and gusty there is a low level inversion a rapid moving cold front has just passed the area cumulus clouds have developed in the afternoon

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74-Under which of these conditions is radiation fog most likely to form?

050 2550 Clouds and Fog

Very dry air Very low temperatures Little or no cloud Strong surface winds

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75-Which of the following is most likely to lead to the formation of radiation fog?

050 2551 Clouds and Fog

Heat loss from the ground on clear nights Cold air passing over warm ground The passage of fronts Dry, warm air passing over warm ground

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76-Which airport is most likely to have fog in the coming night?

050 2609 Meteorological Information

ENGM EKCH ESSA LSZH

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77-Amongst others, which of the following conditions are most likely to produce thunderstorm activity:

050 1

A high moisture content together with a steep environmental lapse rate. A shallow environmental lapse rate together with a high moisture content. A front formed by an advancing tropical continental air mass. A shallow environmental lapse rate together with a low relative humidity.

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78-Which of the following conditions is most likely to cause airframe icing ?

050 1

SHSN BR GR +FZRA

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79-In a mountain wave situation, the worst of the turbulence is most likely to be found when flying:

050 1

in the cap cloud. in or just below the roll cloud, in the lenticular cloud at about mid-height between the lenticular and roll cloud.

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80-Which cloud would most likely produce SHGR(hail showers)?

050 1

Nimbostratus Cumulonimbus Altocumulus Stratus

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81-The air mass in the warm sector of a polar front is:

050 12836 Uncategorized Wind

equatorial air. polar air. tropical air. arctic air.

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82-Which of the following processes will increase the stability of an air mass?

050 12794 Uncategorized Wind

Warming of the air mass from below. Cooling by the underlying surface. Advection of colder air aloft. Addition of water vapour in the lower layer.

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83-Which of the following processes will increase the stability of an air mass?

050 15594 Wind Uncategorized

Cooling by the underlying surface. Advection of colder air aloft. Warming of the air mass from below. Addition of water vapour in the lower layer.

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84-An air mass acquires its basic properties

050 13661 Air Masses and Fronts

in the westerlies of the mid-latitudes by stagnation of the air for a long period of time over areas having particular characteristics by the influence of jet streams by widespread thunderstorms

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85-In which air mass are extremely low temperatures encountered?

050 13679 Uncategorized Wind

Continental tropical air. Continental polar air. Maritime arctic air. Maritime polar air.

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86-In which air mass are extremely low temperatures encountered?

050 1256 Wind Uncategorized

Maritime arctic air. Continental polar air. Maritime polar air. Continental tropical air.

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87-The actual change of the temperature in the air mass with height is known as:

050 1

The actual lapse rate (LR) The temperature curve The environmental lapse rate (ELR) The adiabatic lapse rate (ALR)

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88-The relative humidity of a sample air mass is 50%. How is the relative humidity of this air mass influenced by changes of the amount of water vapour in it?

050 1204 Thermodynamics

It increases with increasing water vapour. It is only influenced by temperature. It is not influenced by changing water vapour. It decreases with increasing water vapour.

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89-The air masses that are observed most frequently over western Europe are:

050 12845 Air Masses and Fronts

arctic air and polar air. polar air and equatorial air. arctic air and tropical air. polar air and tropical air.

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90-Which of the following combinations is most characteristic of unstable air behind a cold front?

050 15955 Air Masses and Fronts

Poor visibility, intermittent precipitation, cumuliform clouds Good visibility between showers, showery precipitation, cumuliform clouds Poor visibility, continuous precipitation, stratiform clouds Good visibility between showers, persistent precipitation, stratiform clouds

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91-Where is the projection of the polar front jet stream on the surface most likely to be found in relation to the cold and warm fronts of a depression?

050 12801

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 100 NM either side of the cold front and up to 200 NM either side 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

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92-Between which latitudes are you most likely to find the region of travelling low pressure systems during summer?

050 13636 Wind Uncategorized

45° - 70° 10° - 15° 25° - 45° 15° - 25°

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93-What flight conditions are most likely to be experienced in square 2B by an aircraft at FL 120?

050 13571 Meteorological Information

VMC below an overcast of AS and CS, generally smooth air VMC above layers of ST and SC, generally stable conditions IMC in NS with risk of light icing IMC in layers of AS and isolated CB risk of severe turbulence and icing

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94-For an aircraft making an approach to an airfield located in square 3B, the most likely weather conditions are

050 13570 Meteorological Information

scattered AC base 2000 FT, good visibility showers of rain and hail low cloud, mist moderate continuous rain

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95-For an aircraft making an approach to an airfield located in square 3B, away from the vicinity of the fronts, the most likely weather conditions in winter are:

050 13569 Meteorological Information

scattered SC and CU, good visibility generally overcast, moderate continuous rain and risk of low level wind shear prolonged periods of heavy rain and hail poor visibility in mist and drizzle

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96-In which squares are conditions most likely to cause the occurrence of low level wind shear?

050 13559 Meteorological Information

3 B and 3 D 3 A and 3 C 3 A and 3 B 3 B and 3 C

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97-When, if at all, is a tropical revolving storm most likely to affect Darwin, on the central north coast of Australia?

050 5022 Pressure Systems

Not experienced at Darwin August to October May to July December to April

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98-The following statements deal with precipitation, turbulence and icing. Select the list containing the most likely alternatives for NS cloud:

050 5011 Precipitation

Precipitation may be snow, sleet or rain. Icing is probable and may range between light and severe. Turbulence is rarely more than moderate. Precipitation may be snow, sleet or rain. Icing and turbulence are frequently severe. Precipitation and icing are usually nil. Turbulence is rarely more than moderate. Precipitation is frequently in the form of hail. Icing and turbulence are frequently severe.

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99-The lowest cloud type observed is Stratus fractus, and there is moderate continuous rain. The area in which you are at this moment is most likely situated

050 10927 Air Masses and Fronts

in a warm sector in a high pressure area in the main body of a warm or cold front well behind a cold front

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100-An aircraft flies into freezing rain in an area with a temperature below 0°C. The type of icing it will most likely encounter is

050 10857 Uncategorized Wind

granular frost rime ice clear ice hoar frost

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1-The air mass affecting position "P" is most likely to be

2-The air mass affecting position "A" is most likely to be

3-The air mass affecting position "C" is most likely to be

4-The air mass affecting position "S" is most likely to be

5-The air mass affecting position "R" is most likely to be

6-The air mass at position "X" is most likely to be

7-Which of the following situations will most likely lead to a stable air mass?

8-The weather most likely to be experienced at position A is

9-In case of fronts, what cloud formation is most likely to occur at low levels when a warm air mass overrides a cold air mass?

10-The weather most likely to be experienced at position "S" is

11-The weather most likely to be experienced near to position "A" is

12-The weather most likely to be experienced at position "B" is

13-The weather most likely to be experienced at position "B" is

14-The weather most likely to be experienced at position "S" is

15-The weather most likely to be experienced at position "R" is

16-In unstable air, surface visibility is most likely to be restricted by

17-In unstable air, surface visibility is most likely to be restricted by

18-The weather most likely to be experienced on the coast near position "Q" is

19-Which two air masses are most likely to govern weather in western Europe?

20-The most likely place to encounter clear air turbulence associated with a jet stream is

21-At which position is the development of thunderstorms most likely, and what is the maximum height of the CB clouds at 00 UTC?

22-What is the surface visibility most likely to be in a warm sector of maritime tropical air during a summer afternoon in western Europe?

23-If you are flying at FL 100 in an air mass that is 10°C warmer than a standard atmosphere, what is the outside temperature likely to be?

24-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?

25-An air mass is:

26-At a certain position, the temperature on the 300 hPa chart is -48°C; according to the tropopause chart, the tropopause is at FL 330. What is the most likely temperature at FL 350 ?

27-In the northern hemisphere with an anticyclonic pressure system the geostrophic wind at 2000 FT over the sea is 060/15. At the same position the surface wind is most likely to be

28-What intensity and type of airframe icing is most likely to occur when flying at FL 170 in AS with the outside air temperature at -20°C?

29-Frontal fog will most likely dissipate with

30-A layer of stratus is most likely to be dispersed by

31-Frontal fog is most likely to occur

32-What intensity and type of airframe icing is most likely to occur when aircraft descend rapidly from FL 320 (temp. -45°C) to FL 60 in warm, moist clear air?

33-What is the classification of the airmass affecting position "Q" at 0600 UTC?

34-An air mass is stable when

35-An air mass is unstable when

36-The cloud most likely to be experienced in square 1E is

37-Advection fog is most likely to form when

38-Hoar frost is most likely to form when

39-Sea breezes are most likely to occur when

40-Ice accretion to the airframe is likely to be most hazardous at temperatures

41-In which areas are easterly waves most likely to form?

42-In which situation is advection fog most likely to form?

43-In which situation is advection fog most likely to form?

44-Where is a squall line most likely to be expected?

45-What is the most likely temperature at the tropical tropopause?

46-With what type of clouds are showers most likely associated?

47-What would you most likely expect in a microburst?

48-An unstable air mass will normally be characterised by

49-An air mass is called stable when

50-Which of the following sets of conditions are most likely to lead to the formation of advection fog?

51-What conditions are most likely to prevail at an aerodrome located in square 3B?

52-The front located from 10°W to 10°E is most likely to be

53-The occurrence of freezing rain at FL 60 is most likely in square

54-What weather conditions are most likely to affect an approach to Dakar during July?

55-At the top of orographic waves, in mountainous regions, the cloud most likely to be encountered is

56-A small supercooled cloud droplet that collides with an airfoil will most likely

57-The range of wind speed in which radiation fog is most likely to form is:

58-The formation of clear ice on the leading edges of an aircraft is most likely to be caused by the

59-On which side of an easterly wave are thunderstorms most likely to develop?

60-In which of the following conditions is moderate to severe airframe icing most likely to be encountered?

61-What is the most likely cause of a lack of clouds at higher levels in a stationary high?

62-Which of the following is most likely to lead to the dissipation of radiation fog ?

63-What conditions are most likely to lead to the formation of hill fog?

64-The most likely reason for radiation fog to dissipate or become low stratus is:

65-Which of the following conditions is most likely to cause airframe icing ?

66-Which of the following zones is most likely to encounter little or no precipitation?

67-In which of these temperature bands is ice most likely to form on the aircraft's surface?

68-At what time of the year are tornadoes most likely to occur in North America?

69-During which seasons are hurricanes most likely to appear in the northern hemisphere?

70-Which one of the following types of cloud is most likely to produce heavy precipitation ?

71-At what time of day, or night, is radiation fog most likely to occur?

72-Under which of the following conditions is the most severe CAT likely to be experienced ?

73-In the vicinity of industrial areas, smoke is most likely to affect surface visibility when

74-Under which of these conditions is radiation fog most likely to form?

75-Which of the following is most likely to lead to the formation of radiation fog?

76-Which airport is most likely to have fog in the coming night?

77-Amongst others, which of the following conditions are most likely to produce thunderstorm activity:

78-Which of the following conditions is most likely to cause airframe icing ?