Index - Atpl Campus

100 item has been found

1-With all other quantities being constant, the density of the atmosphere increases with increasing

050 12797 The Atmosphere

air pressure temperature stability relative humidity

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2-Regarding humidity which one is correct? (all other factors being constant)

050 1

Humid air is less dense than dry air. It is not possible to compare humid air and dry air. Humid air is more dense than dry air. Humid air and dry air have the same density.

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3-All other factors being constant, an aircraft with the same mass has a better take of performance: in a hot humid summer day in Antalya or in a cold winter day in Russia?

050 1

Antalya Both are the same. There is insufficient information to answer this question. Russia

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4-All other factors being the same, which one is better for take-off performance?

050 1

Warm moist air Cold moist air Cold dry air Warm dry air

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5-What is the density at sea level in the International Standard Atmosphere?

050 1

12.25g/m3 1.225g/m3 1225g/m3 122.5g/m3

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6-The temperature remains constant through a given depth of atmosphere, it is described as

050 1

advection the Environmental Lapse Rate being isothermal, temperature inversion

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7-How does temperature vary with increasing altitude in the ICAO standard atmosphere below the tropopause?

050 1104 The Atmosphere

Increases Decreases Remains constant At first it increases and higher up it decreases

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8-The wind speed in a system with curved isobars compared to a system with straight isobars is (other conditions being the same)

050 4071 Wind

always higher higher if curvature is cyclonic always lower higher if curvature is anticyclonic

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9-Temperature decreases with altitude in standard atmosphere. Regarding this change in temperature, density should increase with altitude but it decreases. What is the reason?

050 1

The increase in pressure with altitude decreases the density. The temperature has no effect on air density. The decrease in pressure being more dominant than the decrease in temperature, causes the density to decrease. Scientist continue their research on this subject

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10-Which layer of the atmosphere contains more than 90 per cent of all water vapour?

050 2497 The Atmosphere

Lower stratosphere Ozone layer Upper stratosphere Troposphere

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11-What is the most significant difference between an equatorial jet stream and all the other jet streams ?

050 1989 Uncategorized Wind

Horizontal dimension. Wind speed. Vertical dimension. Wind direction.

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12-In the lower levels of the atmosphere when the environmental lapse rate is greater than saturated adiabatic lapse rate but less than dry adiabatic lapse rate - the air mass is described as being

050 10899 Thermodynamics

absolutely unstable unstable conditionally unstable stable

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13-Consider a parcel of air being forced upwards in the atmosphere. The lapse rate of the surrounding air is less than the saturated adiabatic lapse rate. After the initial force is no longer effective, the parcel of air

050 15075 Thermodynamics

will tend to remain at the new altitude. will tend to descend to its original altitude. will become conditionally unstable. will tend to ascend further.

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14-The pressure of the atmosphere:

050 1

decreases at a decreasing rate as height increases decreases at an increasing rate as height increases decreases at a constant rate till Tropopause. decreases at a constant rate as height increases

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15-In this question the wind speed with straight isobars (vst), the wind speed around a high-pressure system (vhigh) and the wind speed around a low-pressure system (vlow) in the southern hemisphere are being compared while pressure gradient and latitude constant. Which statement is correct?

050 15052 Wind

vst > vhigh and vst < vlow. vst > vhigh and vst > vlow. vst < vhigh and vst > vlow. vst < vhigh and vst < vlow.

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16-A METAR may be defined as being?

050 1

A forecast weather report concerning a specific aerodrome. An aerodrome forecast containing a TREND for the next two hours. A routine weather report for a large area. A routine weather report concerning a specific aerodrome.

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17-The stability in a layer is increasing if

050 4024 Thermodynamics

cold and dry air is advected in the upper part warm air is advected in the lower part and cold air in the upper part warm air is advected in the upper part and cold air in the lower part warm and moist air is advected in the lower part

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18-The stability in a layer is increasing if

050 1

warm and moist air is advected in the lower part warm air is advected in the lower part and cold air in the upper part warm air is advected in the upper part and cold air in the lower part cold and dry air is advected in the upper part

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19-In an isothermal layer the state of the atmosphere is

050 15587 The Atmosphere

conditionally unstable. neutral. absolutely unstable. absolutely stable.

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20-The total depth of the atmosphere is approximately

050 1

500 KM 20 KM more than 1000 KM. 120 kilometers (400 000 feet).

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21-The atmosphere is heated mainly by:

050 1

Exchanges of latent heat during the process of moisture in the atmosphere changing state. Direct solar energy not filtered by the ozone layer absorbed by the lower atmosphere. Heat re-radiated from the Earth's surface. Warm air from high equatorial regions spreading out and descending into more northerly and southerly latitudes.

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22-The pressure change with height of the atmosphere:

050 1

decreases at a decreasing rate as height increases. decreases at a constant rate as height increases. decreases at a constant rate up to the tropopause and then remains constant. decreases at an increasing rate as height increases.

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23-What are the proportions of gases in the atmosphere?

050 1

Nitrogen 78%, Oxygen 21%, Hydrogen 1%. Oxygen 21%, Hydrogen 78%, other gasses 1%. Nitrogen 78%, Argon 21%, Oxygen 1%. Oxygen 21%, Nitrogen 78%, other gasses 1%.

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24-If there was no water vapour in the atmosphere, _____.

050 1

There would not be any turbulence. there would not be any clouds and precipitation. There would not be any jetstreams. There would not be any surface winds.

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25-What is density defined as?

050 1

Volume divided by mass. Weight of air per unit area. Mass per unit volume. Mass per unit area.

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26-The Variation of Air Density with Temperature:

050 1

The lower the temperature of air, the lower is its density. The lower the temperature of air, the greater is its density. The higher the air temperature, the greater is its density. The higher the temperature of air, the greater is its density.

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27-The Variation of Air Density with Altitude:

050 1

as altitude increases, air density stays constant altitude does not effect. as altitude increases, air density decreases as altitude increases, air density increases

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28-Density at the surface will be low when:

050 1

pressure is low and temperature is high. pressure is low and temperature is low. pressure is high and temperature is high. pressure is high and temperature is low.

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29-The stability in a layer increases by advection of

050 10928 Uncategorized Wind

moist air in the lower part cold air in the lower part warm air in the lower part dry air in the upper part

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30-As altitude increases in troposphere

050 1

temperature and pressure increase and density decreases. temperature decreases whilst pressure and density increase. temperature decreases and density increases. temperature, pressure and density decrease.

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31-What is a characteristic phenomenon for a stable atmosphere?

050 13631 Clouds and Fog

Many vertical currents. No precipitation. Weak wind. Stratified clouds.

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32-Half the mass of the atmosphere is found in the first

050 2126 The Atmosphere

5 km 11 km 3 km 8 km

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33-The environmental lapse rate in an actual atmosphere

050 3727 The Atmosphere

has a fixed value of 1°C/100m varies with time has a fixed value of 2°C/1000 FT has a fixed value of 0.65°C/100m

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34-The temperature at 10000ft in the ICAO Standard Atmosphere

050 1

0 C -20 C -35 C -5 C

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35-The most significant raising of the temperature of the atmosphere is

050 1

radiation of short wavelength from the Sun radiation of long wavelength from the Sun from reflective surfaces, such as areas of ice or snow radiation encounters the Earth's surface and is re-radiated into the atmosphere

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36-What is the lowest temperature in standard atmosphere?

050 1

(-54,5 C) (-50,5 C) (-63,5 C) (-56,5 C)

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37-Which of the following is not observed in unstable atmosphere?

050 1

Strong winds Fog and mist Showery precipitation 3-4 oktas clouds

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38-A layer in which the temperature increases with height is

050 4166 Thermodynamics

absolutely unstable neutral conditionally unstable absolutely stable

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39-Which statement is correct for an absolutely unstable atmosphere?

050 12830 Air Masses and Fronts

the dry adiabatic lapse rate is more than 1°C / 100 m clouds are mainly of the stratiform type the environmental lapse rate is less than 1°C / 100 m visibility is good between showers

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40-The temperature lapse rate of the ICAO standard atmosphere in the troposphere is:

050 13607 The Atmosphere

3°C/1000 FT 2°C/1000 FT 2,5°C/1000 FT 6,5°C/1000 FT

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41-A temperature inversion indicates a state of the atmosphere which is

050 15588 The Atmosphere

absolutely unstable. absolutely stable. conditionally unstable. indifferent

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42-Which statement is correct regarding the ICAO Standard Atmosphere ?

050 3732 The Atmosphere

At MSL pressure is 1013.25 hPa and the decrease of temperature with height is 1°C per 100m At MSL temperature is 15°C and the decrease in temperature with height is 1°C per 100m At MSL temperature is 15°C and pressure is 1013.25hPa At MSL temperature is 10°C and the decrease in temperature with height is 1°C per 100m

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43-The temperature at 10000 FT in the ICAO Standard Atmosphere is:

050 3719 The Atmosphere

-20°C -35°C 0°C -5°C

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44-The lowest assumed temperature in the International Standard Atmosphere (ISA) is :

050 1

-44.7°C -100°C -273°C -56.5°C

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45-Which one is not the way of heat transfer in the atmosphere?

050 1

Conduction Convection Advection Inversion

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46-The International Standard Atmosphere assumes a lapse rate of:

050 1

3°C/1000ft. 1.98°C/1000ft. 1.5°C/1000ft. 4°C/1000 ft.

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47-In standard atmosphere, 500 hPa level corresponds to:

050 1

18000 ft 12000 ft 10000 ft 15000 ft

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48-Where is most of the water vapor in the atmosphere contained?

050 1

Stratopause. Stratosphere. Tropopause. Troposphere.

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49-When Air density will be lowest at the Earth's surface:

050 1

pressure is low and temperature is low pressure is high and temperature is low pressure is low and temperature is high pressure is high and temperature is high

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50-Which of the following combinations contain the greatest air density?

050 1

High pressure and low temperature. Low pressure and low temperature. Low pressure and high temperature. High pressure and high temperature.

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51-In relation to 'air density' which of the following responses are correct:

050 1

Dry warm air is less dense than cold air. Cold air is less dense than warm air. If the temperature is decreasing the air density will decrease Air density is not influenced of air humidity.

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52-Which of the following quantities remains unchanged if unsaturated air is lifted until it reaches the lifting condensation level?

050 12793 Thermodynamics

Mixing ratio Maximum mixing ratio Maximum vapour pressure Difference between temperature and dewpoint temperature

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53-All aneroid altimeters are calibrated with the;

050 1

International Standard Atmospheric (ISA) Conditions Regional flight regulation rules. National flight regulation rules. Company flight regulations.

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54-In relation to the total weight of the atmosphere, the weight of the atmosphere between mean sea level and a height of 5500 m is

050 10897 The Atmosphere

25% 99% 1% 50%

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55-Air masses which are being cooled from below are often characterized by:

050 10856 Air Masses and Fronts

fog, poor visibility and layered clouds. uniform temperature, good visibility. continuous rain and freezing temperatures. strong winds, cumulus clouds, good visibility.

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56-Which of the following statements regarding an aircraft being struck by lightning is true?

050 16788 Flight Hazards

The crew of an aircraft made of conductive material (e.g. metal) will generally suffer greater adverse effects due to lightning discharge than the crew of an aircraft made of non-conductive composite material. The dimension of the damage caused by the lightning stroke is reciprocally proportional to the strength of the electric field the aircraft intruded. The flight crew might have temporary difficulties in determining the current attitude of flight. Though flying through an electric field, the aircraft itself is not a charge carrier and therefore it cannot initiate a lightning discharge.

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57-Air masses which are being cooled from below are often characterized by:

050 13659 Air Masses and Fronts

uniform temperature, good visibility. continuous rain and freezing temperatures. strong winds, cumulus clouds, good visibility. fog, poor visibility and layered clouds.

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58-Clouds, classified as being low level are considered to have bases from

050 4046 Clouds and Fog

500 to 1000 FT 100 to 200 FT 1000 to 2000 FT the surface to 6500 FT

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59-Which one of them is being actually measured in the periodically by the meteorological stations?

050 1

QFE QFF QNE QNH

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60-When ...... in a parcel of air, relative humidity increases.

050 1

temperature increases density increases water vapor added reduced humidity

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61-A layer in which the temperature decreases with 1°C per 100m increasing altitude is

050 4167 Thermodynamics

absolutely stable conditionally unstable neutral for dry air absolutely unstable

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62-What is, approximately, the temperature at 20000 FT in the ICAO Standard Atmosphere?

050 12850 The Atmosphere

-15°C -30°C -20°C -25°C

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63-Absolute instability in the atmosphere will occur when the environmental lapse rate is

050 10852 Thermodynamics

less than both saturated adiabatic lapse rate and dry adiabatic lapse rate greater than both saturated adiabatic lapse rate and dry adiabatic lapse rate greater than saturated adiabatic lapse rate but less than dry adiabatic lapse rate less than saturated adiabatic lapse rate

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64-The ICAO Standard Atmosphere (ISA) assumes that temperature will reduce at the rate of

050 10921 The Atmosphere

2°C per 1000 FT up to 36090 FT and will then increase at 0,3°C per 1000 FT up to 65617 FT 1,98°C per 1000 FT up to 36090 FT and will then rise at 0,3°C per 1000 FT up to 65617 FT when it will remain constant 1,98°C per 1000 FT up to 36090 FT after which it remains constant to 65617 FT 2°C per 1000 FT up to 65617 FT after which it will remain constant to 104987 FT

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65-By volume, which of the following elements makes up the largest part of the atmosphere?

050 15980 The Atmosphere

Hydrogen. Oxygen. Noble gases. Nitrogen.

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66-Which of the following statements concerning an isothermal layer in the atmosphere is correct?

050 15610 The Atmosphere

Air parcels that are forced to rise through an isothermal layer keep the same temperature. The vertical temperature gradient lies between the dry and saturated adiabatic lapse rates. An isothermal layer is formed when the air in the layer is well mixed by turbulence. An isothermal layer is absolutely stable.

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67-The ICAO Standard Atmosphere (ISA) assumes that temperature will reduce at the rate of

050 13730 The Atmosphere

2°C per 1000 FT up to 36090 FT and will then increase at 0,3°C per 1000 FT up to 65617 FT 1,98°C per 1000 FT up to 36090 FT after which it remains constant to 65617 FT 2°C per 1000 FT up to 65617 FT after which it will remain constant to 104987 FT 1,98°C per 1000 FT up to 36090 FT and will then rise at 0,3°C per 1000 FT up to 65617 FT when it will remain constant

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68-Which of the following combinations of pressure and temperature is correct in the ICAO standard atmosphere?

050 15486 The Atmosphere

700 hPa -8.4°C 300 hPa -50.5°C 200 hPa -62.3°C 500 hPa -21.1°C

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69-The upper wind and temperature chart of 250 hPa corresponds, in a standard atmosphere, to about

050 1778 Meteorological Information

30 000 FT 39 000 FT 32 000 FT 34 000 FT

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70-In the ICAO Standard Atmosphere the decrease in temperature with height below 11 km is

050 3731 The Atmosphere

0.6°C per 100m 1°C per 100m 0.5°C per 100m 0.65°C per 100m

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71-From which of the following pieces of information can the stability of the atmosphere be derived?

050 4154 The Atmosphere

Surface temperature Pressure at the surface Environmental lapse rate Dry adiabatic lapse rate

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72-In meteorology, which constituent is considered the most important in the atmosphere's composition?

050 3721 Thermodynamics

Nitrogen Hydrogen Oxygen Water vapour

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73-What is the atmosphering pressure at sea level in the International Standard Atmosphere?

050 1

29.29 inch hg 1012.35 hpa 101.25 hpa 1013.25hpa

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74-What causes the highest percentage of the atmosphere lies under the 50% of lower Troposphere?

050 1

Radiated energy from the Sun. Low level winds. Gravity. Corriollis force.

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75-THE ICAO STANDARD ATMOSPHERE (ISA) assumes that, at mean sea-level,

050 1

temperature is 10°C, air pressure is 1225 hectopascals (millibars), and air density is 1000 gm/m3. air temperature is 15°C and air pressure is 1000 hectopascals (millibars) air temperature is 15°C, air pressure is 1013.25 hectopascals (millibars), and air density is 1.225 kg/m3. air temperature is 0°C, air pressure is 1000 hectopascals (millibars), and air density is 1225 gm/m3.

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76-At FL 180, the air temperature is -35°C.The air density at this level is:

050 13643 The Atmosphere

Unable to be determined without knowing the QNH. Less than the density of the ISA at FL 180. Equal to the density of the ISA at FL 180. Greater than the density of the ISA at FL 180.

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77-At FL 180, the air temperature is -35°C.The air density at this level is:

050 130 The Atmosphere

Equal to the density of the ISA at FL 180. Unable to be determined without knowing the QNH. Less than the density of the ISA at FL 180. Greater than the density of the ISA at FL 180.

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78-Under what conditions would density be the minimum value at any given place?

050 1

Low altitude, low temperature and low humidity. Low altitude, high temperature and high humidity. High altitude, high temperature and low humidity. High altitude, high temperature and high humidity.

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79-At FL 180, the air temperature is -35°C. The air density at this level is:

050 1

Greater than the density of the ISA atmosphere at FL 180. Equal to the density of the ISA atmosphere at FL 180. Unable to be determined without knowing the QNH. Less than the density of the ISA atmosphere at FL 180.

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80-An aerodrome warning message gives information, among other things, about

050 15854 Meteorological Information

PL; SS; RA DS; SN clearing; FZRA including the observed braking action GR; FG; FZRA including the observed friction coefficient TS; SN including the expected or observed snow accumulation; hoar frost

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81-In addition to a lifting action, what are two other requirements necessary for thunderstorm formation ?

050 2176 Flight Hazards

Unstable conditions and high atmospheric pressure Stable conditions and low atmospheric pressure Unstable conditions and high moisture content Stable conditions and high moisture content

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82-Which constant pressure chart is standard for FL 450?

050 15352 Meteorological Information

200 hPa 300 hPa 250 hPa 150 hPa

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83-Which constant pressure chart is standard for FL 340?

050 15434 Meteorological Information

200 hPa 250 hPa 300 hPa 400 hPa

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84-Which constant pressure chart is standard for FL 240?

050 15478 Meteorological Information

500 hPa 400 hPa 300 hPa 600 hPa

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85-Which constant pressure chart is standard for FL 140?

050 15474 Meteorological Information

500 hPa 600 hPa 850 hPa 700 hPa

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86-Which constant pressure altitude chart is standard for FL50?

050 1196 Meteorological Information

850 hPa. 300 hPa. 700 hPa. 500 hPa.

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87-A layer in which the temperature remains constant with height is

050 4165 Thermodynamics

neutral conditionally unstable absolutely stable unstable

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88-A given mass of air is saturated with water vapour (no condensed water). If temperature increases

050 16759 Thermodynamics

the amount of water vapour decreases the amount of water vapour remains constant relative humidity remains constant relative humidity increases

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89-If a saturated air mass descends down a slope its temperature increases at

050 2130 Thermodynamics

the same rate as if the air mass were dry. a higher rate than in dry air, as it gives up latent evaporation heat. a lower rate than in dry air, as evaporation absorbs heat. a lower rate than in dry air, as condensation gives out heat.

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90-Decode the cloud bases being described in this METAR for an aerodrome: 261450Z 07007KT 9999 FEW035 SCT043 BKN240 21/12 Q1016 NOSIG =

050 1

1-2 oktas at 3500 ft., 2-3 oktas at 4300 ft., 5-8 oktas at 24000 ft. 1-2 oktas at 3500 ft., 3-4 oktas at 4300 ft., 5-7 oktas at 24000 ft. 2-3 oktas at 3500 ft., 4-5 oktas at 4300 ft., 6-7 oktas at 24000 ft. 1-2 oktas at 350 ft., 3-4 oktas at 430 ft., 5-7 oktas at 2400 ft.

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91-Between mean sea level and a height of 20 km, the lowest temperature in the ICAO Standard Atmosphere (ISA) is:

050 10870 The Atmosphere

-44.7°C -56.5°C -100°C -273°C

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92-In the ICAO standard atmosphere, which of the following alternatives indicates the correct vertical temperature distribution in the lowest 11 km?

050 15261 The Atmosphere

15°C at mean sea level, decreasing at 0.65°C per 100 metres. 15°C at mean sea level, decreasing at 0.65°C per 100 feet. 15.2°C at mean sea level, decreasing at 0.65°C per 100 metres. 13°C at mean sea level, decreasing at 2°C per 1000 feet.

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93-What is the temperature deviation in degrees Celsius, from the ICAO Standard Atmosphere overhead Frankfurt ?

050 1695 Meteorological Information

ISA -2°C ISA -13°C ISA +2°C ISA +13°C

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94-In the lower layers of the atmosphere due to friction the wind changes direction towards the low pressure area because:

050 1099 Wind

turbulence is formed and pressure increases the pressure gradient increases turbulence is formed and pressure decreases wind speed decreases and therefore coriolis force decreases

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95-The decrease in temperature, per 100 metres, in a saturated rising parcel of air at lower level of the atmosphere is approximately

050 4133 Thermodynamics

1.5°C 0.6°C 0.35°C 1°C

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96-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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97-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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98-In the ICAO Standard Atmosphere (ISA), the fall in pressura with height, close to sealevel, is approximately 1 millibar for every

050 1

36 feet 27 feet. 60 feet. 45 feet.

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99-The temperature at 2000ft AMSL is forecast to be +5°C: compared to the International Standard Atmosphere (ISA) this is:

050 1

ISA -6. lSA +6. ISA -4. ISA +5.

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100-The decrease in temperature, per 100 metres, in a saturated rising parcel of air at lower level of the atmosphere is approximately

050 1

0.6°C 1.5°C 0.35°C 1°C

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1-With all other quantities being constant, the density of the atmosphere increases with increasing

2-Regarding humidity which one is correct? (all other factors being constant)

3-All other factors being constant, an aircraft with the same mass has a better take of performance: in a hot humid summer day in Antalya or in a cold winter day in Russia?

4-All other factors being the same, which one is better for take-off performance?

5-What is the density at sea level in the International Standard Atmosphere?

6-The temperature remains constant through a given depth of atmosphere, it is described as

7-How does temperature vary with increasing altitude in the ICAO standard atmosphere below the tropopause?

8-The wind speed in a system with curved isobars compared to a system with straight isobars is (other conditions being the same)

9-Temperature decreases with altitude in standard atmosphere. Regarding this change in temperature, density should increase with altitude but it decreases. What is the reason?

10-Which layer of the atmosphere contains more than 90 per cent of all water vapour?

11-What is the most significant difference between an equatorial jet stream and all the other jet streams ?

12-In the lower levels of the atmosphere when the environmental lapse rate is greater than saturated adiabatic lapse rate but less than dry adiabatic lapse rate - the air mass is described as being

13-Consider a parcel of air being forced upwards in the atmosphere. The lapse rate of the surrounding air is less than the saturated adiabatic lapse rate. After the initial force is no longer effective, the parcel of air

14-The pressure of the atmosphere:

15-In this question the wind speed with straight isobars (vst), the wind speed around a high-pressure system (vhigh) and the wind speed around a low-pressure system (vlow) in the southern hemisphere are being compared while pressure gradient and latitude constant. Which statement is correct?

16-A METAR may be defined as being?

17-The stability in a layer is increasing if

18-The stability in a layer is increasing if

19-In an isothermal layer the state of the atmosphere is

20-The total depth of the atmosphere is approximately

21-The atmosphere is heated mainly by:

22-The pressure change with height of the atmosphere:

23-What are the proportions of gases in the atmosphere?

24-If there was no water vapour in the atmosphere, _____.

25-What is density defined as?

26-The Variation of Air Density with Temperature:

27-The Variation of Air Density with Altitude:

28-Density at the surface will be low when:

29-The stability in a layer increases by advection of

30-As altitude increases in troposphere

31-What is a characteristic phenomenon for a stable atmosphere?

32-Half the mass of the atmosphere is found in the first

33-The environmental lapse rate in an actual atmosphere

34-The temperature at 10000ft in the ICAO Standard Atmosphere

35-The most significant raising of the temperature of the atmosphere is

36-What is the lowest temperature in standard atmosphere?

37-Which of the following is not observed in unstable atmosphere?

38-A layer in which the temperature increases with height is

39-Which statement is correct for an absolutely unstable atmosphere?

40-The temperature lapse rate of the ICAO standard atmosphere in the troposphere is:

41-A temperature inversion indicates a state of the atmosphere which is

42-Which statement is correct regarding the ICAO Standard Atmosphere ?

43-The temperature at 10000 FT in the ICAO Standard Atmosphere is:

44-The lowest assumed temperature in the International Standard Atmosphere (ISA) is :

45-Which one is not the way of heat transfer in the atmosphere?

46-The International Standard Atmosphere assumes a lapse rate of:

47-In standard atmosphere, 500 hPa level corresponds to:

48-Where is most of the water vapor in the atmosphere contained?

49-When Air density will be lowest at the Earth's surface:

50-Which of the following combinations contain the greatest air density?

51-In relation to 'air density' which of the following responses are correct:

52-Which of the following quantities remains unchanged if unsaturated air is lifted until it reaches the lifting condensation level?

53-All aneroid altimeters are calibrated with the;

54-In relation to the total weight of the atmosphere, the weight of the atmosphere between mean sea level and a height of 5500 m is

55-Air masses which are being cooled from below are often characterized by:

56-Which of the following statements regarding an aircraft being struck by lightning is true?

57-Air masses which are being cooled from below are often characterized by:

58-Clouds, classified as being low level are considered to have bases from

59-Which one of them is being actually measured in the periodically by the meteorological stations?

60-When ...... in a parcel of air, relative humidity increases.

61-A layer in which the temperature decreases with 1°C per 100m increasing altitude is

62-What is, approximately, the temperature at 20000 FT in the ICAO Standard Atmosphere?

63-Absolute instability in the atmosphere will occur when the environmental lapse rate is

64-The ICAO Standard Atmosphere (ISA) assumes that temperature will reduce at the rate of

65-By volume, which of the following elements makes up the largest part of the atmosphere?

66-Which of the following statements concerning an isothermal layer in the atmosphere is correct?

67-The ICAO Standard Atmosphere (ISA) assumes that temperature will reduce at the rate of

68-Which of the following combinations of pressure and temperature is correct in the ICAO standard atmosphere?

69-The upper wind and temperature chart of 250 hPa corresponds, in a standard atmosphere, to about

70-In the ICAO Standard Atmosphere the decrease in temperature with height below 11 km is

71-From which of the following pieces of information can the stability of the atmosphere be derived?

72-In meteorology, which constituent is considered the most important in the atmosphere's composition?

73-What is the atmosphering pressure at sea level in the International Standard Atmosphere?

74-What causes the highest percentage of the atmosphere lies under the 50% of lower Troposphere?

75-THE ICAO STANDARD ATMOSPHERE (ISA) assumes that, at mean sea-level,

76-At FL 180, the air temperature is -35°C.The air density at this level is:

77-At FL 180, the air temperature is -35°C.The air density at this level is:

78-Under what conditions would density be the minimum value at any given place?