Index - Atpl Campus

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1-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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2-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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3-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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4-The temperature at 10000ft in the ICAO Standard Atmosphere

050 1

0 C -20 C -35 C -5 C

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5-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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6-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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7-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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8-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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9-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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10-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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11-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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12-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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13-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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14-The temperature at 3000 ft. above mean sea level is forecast to be 3°C. What is the deviation from ICAO Standard Atmosphere?

050 1

ISA +6 ISA -6 ISA -7 ISA +5

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15-With regard to temperature, which of the following is correct for the polar climates?

050 16856 Climatology

The mean temperature of the warmest month is 10°C or above, and of the coldest month below minus 3°C. The mean temperature of all months is above 0°C, but temperatures as high as plus 10°C will never be reached. The mean temperature of all months is below plus 10°C. The mean temperature of all months is below minus 10°C.

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16-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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17-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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18-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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19-Which of the following is correct regarding a cold high pressure area?

050 15667 Pressure Systems

It will increase in intensity with increasing altitude. It will decrease in intensity with increasing altitude. Both temperature and pressure will remain constant with increasing altitude. Apart from a surface inversion, the temperature will increase with increasing altitude.

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20-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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21-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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22-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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23-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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24-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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25-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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26-Which of the following statements is correct?

050 10967 Thermodynamics

The principle of the Bergeron-Findeisen process is mainly based on the difference in size of the cloud elements At mid-latitudes the coalescense process is usually the initial process in the formation of precipitation In the tropics stratiform precipitation does not occur The Bergeron-Findeisen process is mainly based on the difference of maximum vapour pressure over water and over ice of the same temperature

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27-Which of the following statements is correct?

050 15795 Thermodynamics

Cumulus clouds and a good visibility are normally observed in a warm sector in winter. At warm fronts thunderstorms are often observed. Normally atmospheric pressure stops falling rapidly behind a warm front, the air temperature rises. Cumulus clouds and a good visibility are normally observed in a warm sector in autumn.

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28-Which of the following statements is correct?

050 13822 Thermodynamics

The Coriolis force is inversely proportional to the sine of latitude At the equator horizontal motions do not induce any horizontal Coriolis force In gradient wind the Coriolis force is in balance with the horizontal pressure gradient force and the frictional force The Coriolis force is directed in the same sense at all latitudes

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29-Which of the following statements is correct?

050 13825 Thermodynamics

Above the tropopause no turbulence occurs Mountain waves are always accompanied by rotor clouds Airframe icing can occur in clear air Haze is a reduction of visibility due to the presence of water vapour

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30-Which of the following statements is correct?

050 13824 Thermodynamics

FG is reported only when visibility is reduced by water droplets or ice crystals to less than 1000 m HZ is reported only when visibility is reduced to 2000 m or less When BR is reported then the visibility is more than 1000 m but less than 8000 m VC denotes not at the aerodrome but not within 8 nm

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31-Which of the following statements is correct?

050 13823 Thermodynamics

At warm fronts thunderstorms are often observed. Normally atmospheric pressure stops falling rapidly behind a warm front, the air temperature rises. Cumulus clouds and a good visibility are normally observed in a warm sector in winter. Cumulus clouds and a good visibility are normally observed in a warm sector in autumn.

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32-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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33-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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34-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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35-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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36-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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37-Assume that an aircraft is flying in the northern hemisphere at the 500 hPa pressure surface on a heading of 270 degrees. Which of the following statements is correct?

050 4160 The Atmosphere

If in this pressure surface the wind comes from the direction 180 degrees, then true altitude is increasing If in this pressure surface the wind comes from the direction 090 degrees, then true altitude is increasing If in this pressure surface the wind comes from the direction 360 degrees, then true altitude is increasing If in this pressure surface the wind comes from the direction 270 degrees, then true altitude is increasing

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38-You are flying from east to west in the northern hemisphere at the 500 hPa pressure surface. Which of the following statements is correct?

050 4066 Wind

If the wind is from the north you are gaining altitude If the wind is from the south you are gaining altitude If you have a tail wind you are losing altitude If you have a head wind you are gaining altitude

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39-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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40-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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41-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

050 14948 Wind

The true altitude will be higher over B than over Paris Wind speed over A is higher than over B The true altitude will be higher over B than over A Wind speed over B is higher than over Paris

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42-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

050 14947 Wind

Wind speed over B is higher than over A The true altitude will be higher over B than over London Wind speed over A is higher than over B The true altitude will be higher over B than over A

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43-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

050 14946 Wind

The true altitude will be higher over B than over Melbourne Wind speed over A is higher than over B The true altitude will be higher over A than over B Wind speed over B is higher than over A

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44-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

050 14944 Wind

Wind speed over B is higher than over A The true altitude will be higher over A than over Madrid The true altitude will be higher over A than over B Wind speed over A is higher than over B

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45-The temperature at FL 140 is -12°C. What will the temperature be at FL 110 if the ICAO standard lapse rate is applied ?

050 65 The Atmosphere

-9°C. -15°C. -18°C. -6°C.

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46-The temperature at FL 80 is +6°C. What will the temperature be at FL 130 if the ICAO standard lapse rate is applied ?

050 2498 The Atmosphere

+2°C -6°C 0°C -4°C

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47-The temperature at FL 160 is -22°C. What will the temperature be at FL 90 if the ICAO standard lapse rate is applied ?

050 2500 The Atmosphere

0°C +4°C -4°C -8°C

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48-The temperature at FL 110 is -5°C. What will the temperature be at FL 50 if the ICAO standard lapse rate is applied ?

050 2499 The Atmosphere

+3°C 0°C -3°C +7°C

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49-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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50-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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51-At an altitude of 1650 feet AMSL, a temperature of +15°C is measured. What will the temperature be at an altitude of 8200 feet, if you consider the temperature gradient of the Standard Atmosphere?

050 1

-2°C 0°C +2°C +4°C

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52-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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53-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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54-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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55-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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56-Which constant pressure altitude chart is standard for FL 300?

050 2572 Meteorological Information

200 hPa 700 hPa 500 hPa 300 hPa

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57-Which constant pressure altitude chart is standard for FL 180?

050 2571 Meteorological Information

700 hPa 200 hPa 500 hPa 300 hPa

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58-Which constant pressure altitude chart is standard for FL 100?

050 2570 Meteorological Information

850 hPa 300 hPa 500 hPa 700 hPa

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59-Which constant pressure altitude chart is standard for FL 390?

050 2573 Meteorological Information

200 hPa 700 hPa 500 hPa 300 hPa

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60-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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61-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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62-A temperature of +15°C is recorded at an altitude of 500 metres above sea level. If the vertical temperature gradient is that of a standard atmosphere, what will the temperature be at the summit of a mountain, 2500 metres above sea level?

050 2501 The Atmosphere

+2°C 0°C -2°C +4°C

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63-Which of the following statements is correct concerning the mediterranean climate?

050 16314 Climatology

The annual rainfall is significantly below 700mm It is not influenced by the westerlies In winter it is influenced only by the subtropical high pressure belt Hot summers alternate with cold winters

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64-Which of the following is correct regarding a warm anticyclone?

050 15666 Pressure Systems

It weakens with altitude. It remains the same strength up to the tropopause. Apart from a surface inversion, the temperature increases with increasing altitude. It increases in intensity with increasing altitude.

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65-Which of the following is correct regarding geostrophic wind?

050 16390 Wind

It blows parallel to straight equidistant isobars. It is the wind resulting from the vector sum of gradient wind and surface wind, such that the geostrophic wind normally blows at an angle of 20-45 degrees relative to the isobars. It blows across the isobars from high to low pressure. It blows parallel to curved isobars.

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66-Which of the following statements concerning the tropopause is correct?

050 13818 The Atmosphere

The temperature remains constant above and below the tropopause. The temperature lapse rate changes abruptly at the tropopause. The temperature of the tropopause at the equator and at the poles is equal. The temperature of the tropopause at the equator is higher than at the poles.

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67-Which of the following statements is correct concerning the geostrophic wind?

050 14265 Wind

A horizontal temperature difference of at least 5 degrees Celsius per 100 km is required to have geostrophic wind conditions. It is present in a pressure system consisting of curved and non-parallel isobars. It is only present in the friction layer. It is present at latitudes higher than about 15 degrees north/south.

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68-Which of the following statements concerning the tropopause is correct?

050 14937 The Atmosphere

The temperature remains constant above and below the tropopause. The temperature of the tropopause at the equator is higher than at the poles. The temperature of the tropopause at the equator and at the poles is equal. The temperature lapse rate changes abruptly at the tropopause.

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69-Which of the following statements is correct concerning the geostrophic wind?

050 14894 Wind

It is present at latitudes higher than about 15 degrees north/south. A horizontal temperature difference of at least 5 degrees Celsius per 100 km is required to have geostrophic wind conditions. It is only present in the friction layer. It is present in a pressure system consisting of curved and non-parallel isobars.

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70-Which of the following statements is correct concerning the savannah climate?

050 14958 Climatology

Little or no rainfall occurs The annual mean temperature is above 25°C There are significant yearly variations in rainfall with a wet and a dry period There are no significant yearly variations in rainfall but there are constant daily variations

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71-Which of the following statements concerning jet streams is correct?

050 4161 Wind Uncategorized

In the southern hemisphere only easterly jet streams occur In the northern hemisphere only westerly jet streams occur In the northern hemisphere both westerly and easterly jet streams occur In the southern hemisphere no jet streams occur

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72-Which of the following statements concerning trade winds is correct?

050 4176 Climatology

They occur only in the lower part of the troposphere and more pronounced over the oceans They reach up to the tropopause and are more pronounced over the oceans They occur only in the lower part of the troposphere and are more pronounced over the continents They reach up to the tropopause and are more pronounced over the continents

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73-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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74-You cross a jet stream in horizontal flight at approximately right angles. While crossing, in spite of a strong wind of 120 kt, you notice the temperature barely changes. Which of the following statements is correct ?

050 2010 Wind Uncategorized

Since the result of such readings seems impossible, you will have the instruments tested after landing. This phenomenon does not surprise you at all, since normally no large temperature differences are possible at these heights. You assume the front associated with the jet stream to be very weak with practically no temperature difference between the two air masses. This phenomenon is absolutely normal as you are crossing the jet core.

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75-The QNH at an airfield located 200 metres above sea level is 1009 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QFF?

050 2242 The Atmosphere

1009 hPa Less than 1009 hPa It is not possible to give a definitive answer More than 1009 hPa

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76-The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

050 2241 The Atmosphere

More than 1016 hPa 1016 hPa It is not possible to give a definitive answer Less than 1016 hPa

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77-You are flying at FL 130, and your true altitude is 12000 FT. What is the temperature deviation from that of the standard atmosphere at FL 130 (QNH 1013,2 hPa) ?

050 1557 The Atmosphere

ISA -20°C ISA +12°C ISA +20°C ISA +/-0°C

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78-The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QNH?

050 2511 The Atmosphere

It is not possible to give a definitive answer Less than 1016 hPa More than 1016 hPa 1016 hPa

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79-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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80-Which of the following is a common cause of ground or surface temperature inversion ?

050 67 The Atmosphere

Warm air being lifted rapidly aloft, in the vicinity of mountainous terrain. The movement of warm air under cold air. Heating of the air by subsidence Terrestrial radiation on a clear night with no or very light winds.

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81-When flying in mountainous terrain and assuming ISA temperatures and strong winds, which of the following is correct?

050 16300 The Atmosphere

In case of venturi effect, the indicated altitude of the aircraft is lower than the actual altitude. In case of combined effect of surface friction and adiabatic compression of the air, the dynamic pressure is lower than indicated by the altimeter. In case of adiabatic compression of the air, the temperature is lower than indicated. In case of venturi effect, the actual altitude of the aircraft is lower than the indicated altitude.

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82-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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83-The QNH at an airfield in California located 69 metres below sea level is 1018 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QFF?

050 2245 The Atmosphere

It is not possible to give a definitive answer Less than 1018 hPa More than 1018 hPa 1018 hPa

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84-The QFF at an airfield in California located 69 metres below sea level is 1030 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

050 2246 The Atmosphere

1030 hPa It is not possible to give a definitive answer Less than 1030 hPa More than 1030 hPa

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85-Which of the following statements about lightnings and lightning strikes is correct?

050 12791 Flight Hazards

Compasses and electronics are always affected Spherical lightnings often penetrate into aircraft Lightning strikes always cause heavy damage The aircraft is temporarily part of the lightning trajectory

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86-Which of the following statements concerning a cold air pool is correct?

050 15778 Climatology

Direction and speed of movements of cold air pools are difficult to forecast Cold air pools normally disappear at night During summer cold air pools are more active over the sea than over land areas Cold air pools can only be active for several hours

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87-Which of the following statements concerning airborne weather radar is correct?

050 16392 Meteorological Information

It can also be used for proximity warning and anti-collision protection. It shows on a plan position indicator the areas of precipitation of rain, snow and/or hail. It shows the areas which are dangerous for aircraft icing. The intensity levels for aircraft icing as defined by ICAO are indicated by contour lines. The indication on the plan position indicator represents the amount (mm/h) of water vapour within clouds.

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88-Which of the following statements is correct concerning rotors below the crest of a mountain wave?

050 16770 Flight Hazards

The rotors are always visible by the presence of rotor clouds. The wind direction at the top of the rotors is opposite to the prevailing wind direction. The wind direction at the lower side of the rotors is opposite to the prevailing wind direction. The axis of these rotors is vertical.

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89-Which of the following statements concerning the airflow during the summer monsoon is correct?

050 16519 Climatology

Northeasterly airflow over India Easterly airflow over Japan Westerly airflow over Japan Southwesterly airflow over India

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90-Which of the following statements is correct concerning the weather in a warm sector?

050 16502 Air Masses and Fronts

Isolated air mass thunderstorms are common during all seasons over continental areas Isolated thunderstorms are sometimes possible over continental areas during the summer In mid- and high latitudes thunderstorms may occur only over open sea during the summer No thunderstorms can occur

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91-Which of the following is correct regarding the wind speed in a jet stream in the northern hemisphere?

050 15081 Wind

With colder air ahead when looking downwind, the wind speed increases with height, while with the colder air behind the wind speed decreases with height. With colder air to the left when looking upwind, the wind speed increases with height, while with the colder air to the right the wind speed decreases with height. With colder air behind when looking downwind, the windspeed increases with height, while with the colder air ahead the windspeed decreases with height. With colder air to the left when looking downwind, the wind speed increases with height, while with the colder air to the right the wind speed decreases with height.

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92-Which of the following statements is correct regarding the variation of wind with height?

050 14957 Wind

The wind strength normally increases by a factor of 2 per 500 feet up to the 700 hPa level. The wind normally veers during climb out through the first 2000-3000 feet in the northern hemisphere. The wind normally backs during climb out through the first 2000-3000 feet in the northern hemisphere. The wind strength normally increases by a factor of 2 per 1000 feet up to the 850 hPa level.

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93-Which of the following statements regarding the development of valley inversions is correct?

050 15032 Flight Hazards

The predominant factor in the development process of valley inversions is the non-uniformity of incident solar radiation due to orographic conditions in combination with density variations within the air. The most important prerequisite for the development of valley inversions is warm air ascending along the mountain slope, thus leaving cooler air behind in the bottom of the valley. Usually a valley inversion is initiated by radiation cooling and anabatic winds which are due to orographic conditions. Valley inversions often are a result of radiation cooling in combination with gravity, both affecting the air at the surface of a mountain slope.

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94-A parcel of rising air stays unsaturated. Which of the following statements is correct?

050 1583 Thermodynamics

Relative humidity decreases, mixing ratio remains unchanged Relative humidity increases, temperature decreases Relative humidity and mixing ratio remain unchanged Mixing ratio increases, temperature decreases

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95-Which one of the following statements regarding the intertropical convergence zone (ITCZ) is correct?

050 1275 Climatology

The ITCZ does not change its position during the course of the year. Thunderstorms seldom occur within the area of the ITCZ. Frequent and widespread thunderstorms are to be expected within the area of the ITCZ. The ITCZ is always associated with a strong jet stream.

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96-Which of the following statements concerning the lifting of a parcel of air is correct ?

050 4025 Thermodynamics

Saturated parcels always cool at a rate of 0.65°C per 100m Unsaturated parcels cool more rapidly than saturated parcels Unsaturated parcels cool at a rate of 0.65°C per 100m Unsaturated parcels cool less rapidly than saturated parcels

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97-Which of the following statements concerning the core of a polar front jet stream is correct ?

050 4173 Wind

It lies in the cold air; the wind reverses direction at the height of the core It lies at a height where there is no horizontal temperature gradient; the slope of the pressure surfaces at the height of the core is at its maximum It lies in the warm air; its pressure surfaces are horizontal at the height of the core It and its surface projection lie in the warm air

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98-Which one of the following statements concerning the formation of aircraft icing is most correct ?

050 3486 Flight Hazards

Risk for icing increases when cloud temperature decreases well below minus 12 degrees C. A cloud consisting of both supercooled water droplets and ice crystals produces aircraft icing Probability of icing increases when dry snow starts to fall from a cloud. Greatest risk of icing conditions is experienced in cirrus clouds.

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99-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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100-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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1-Which of the following combinations of pressure and temperature is correct in the ICAO standard atmosphere?

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

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

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

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

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

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

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

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

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

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

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

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

14-The temperature at 3000 ft. above mean sea level is forecast to be 3°C. What is the deviation from ICAO Standard Atmosphere?

15-With regard to temperature, which of the following is correct for the polar climates?

16-What is the lowest temperature in standard atmosphere?

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

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

19-Which of the following is correct regarding a cold high pressure area?

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

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

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

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

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

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

26-Which of the following statements is correct?

27-Which of the following statements is correct?

28-Which of the following statements is correct?

29-Which of the following statements is correct?

30-Which of the following statements is correct?

31-Which of the following statements is correct?

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

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

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

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

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

37-Assume that an aircraft is flying in the northern hemisphere at the 500 hPa pressure surface on a heading of 270 degrees. Which of the following statements is correct?

38-You are flying from east to west in the northern hemisphere at the 500 hPa pressure surface. Which of the following statements is correct?

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

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

41-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

42-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

43-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

44-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

45-The temperature at FL 140 is -12°C. What will the temperature be at FL 110 if the ICAO standard lapse rate is applied ?

46-The temperature at FL 80 is +6°C. What will the temperature be at FL 130 if the ICAO standard lapse rate is applied ?

47-The temperature at FL 160 is -22°C. What will the temperature be at FL 90 if the ICAO standard lapse rate is applied ?

48-The temperature at FL 110 is -5°C. What will the temperature be at FL 50 if the ICAO standard lapse rate is applied ?

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

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

51-At an altitude of 1650 feet AMSL, a temperature of +15°C is measured. What will the temperature be at an altitude of 8200 feet, if you consider the temperature gradient of the Standard Atmosphere?

52-The pressure of the atmosphere:

53-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?

54-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?

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

56-Which constant pressure altitude chart is standard for FL 300?

57-Which constant pressure altitude chart is standard for FL 180?

58-Which constant pressure altitude chart is standard for FL 100?

59-Which constant pressure altitude chart is standard for FL 390?

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

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

62-A temperature of +15°C is recorded at an altitude of 500 metres above sea level. If the vertical temperature gradient is that of a standard atmosphere, what will the temperature be at the summit of a mountain, 2500 metres above sea level?

63-Which of the following statements is correct concerning the mediterranean climate?

64-Which of the following is correct regarding a warm anticyclone?

65-Which of the following is correct regarding geostrophic wind?

66-Which of the following statements concerning the tropopause is correct?

67-Which of the following statements is correct concerning the geostrophic wind?

68-Which of the following statements concerning the tropopause is correct?

69-Which of the following statements is correct concerning the geostrophic wind?

70-Which of the following statements is correct concerning the savannah climate?

71-Which of the following statements concerning jet streams is correct?

72-Which of the following statements concerning trade winds is correct?

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

74-You cross a jet stream in horizontal flight at approximately right angles. While crossing, in spite of a strong wind of 120 kt, you notice the temperature barely changes. Which of the following statements is correct ?

75-The QNH at an airfield located 200 metres above sea level is 1009 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QFF?

76-The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

77-You are flying at FL 130, and your true altitude is 12000 FT. What is the temperature deviation from that of the standard atmosphere at FL 130 (QNH 1013,2 hPa) ?

78-The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QNH?