Index - Atpl Campus

100 item has been found

1-Which of the following conditions would cause the altimeter to indicate a lower altitude than that actually flown ?

050 2169 The Atmosphere

Pressure altitude the same as indicated altitude. Atmospheric pressure lower than standard Air temperature lower than standard. Air temperature higher than standard

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2-In towering cumulus clouds

050 16716 Clouds and Fog

strong updraughts occur and the temperature in the cloud is lower than in the surrounding air at the same height strong updraughts occur and the temperature in the cloud is higher than in the surrounding air at the same height weak vertical air motion exists and the temperature in the cloud is higher than in the surrounding air at the same height weak vertical air motion exists and the temperature in the cloud is lower than in the surrounding air at the same height

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3-Under what condition does pressure altitude have the same value as density altitude ?

050 132 Wind Uncategorized

When the altimeter setting is 1013.2 hPa. At sea level when the temperature is 0°C. At standard temperature. When the altimeter has no position error.

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4-Under which condition does pressure altitude have the same value as density altitude ?

050 1

When the altimeter setting is 1013,2 hPa. At standard temperature. When the altimeter has no position error. At sea level when the temperature is 0°C.

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5-Which of the following statements is true of the dew point of an air mass?

050 10968 Air Masses and Fronts

It can be used together with the air pressure to estimate the air mass's relative humidity It can be higher than the temperature of the air mass It can be used to estimate the air mass's relative humidity even if the air temperature is unknown It can only be equal to, or lower, than the temperature of the air mass

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6-What is a downburst?

050 10941 Flight Hazards

An extremely strong wind gust in a tropical revolving storm. A concentrated downdraft with high speeds and a lower temperature than the surrounding air. A small low pressure system where the wind circulates with very high speeds. A concentrated downdraft with high speeds and a higher temperature than the surrounding air.

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7-Which of the following statements is true of the dew point of an air mass?

050 2541 Air Masses and Fronts

It can only be equal to, or lower, than the temperature of the air mass It can be used to estimate the air mass's relative humidity even if the air temperature is unknown It can be higher than the temperature of the air mass It can be used together with the air pressure to estimate the air mass's relative humidity

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8-An occlusion is called a warm occlusion when the cold air

050 13665 Air Masses and Fronts

at the rear of the occlusion is less cold than the cold air ahead, with the warm air at a higher altitude. ahead of the surface position of the occlusion is only at a higher altitude. at the rear of the occlusion is colder than the cold air ahead, with the warm air at a higher altitude. at the rear of the occlusion is colder than the cold air ahead.

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9-The amount of water vapour which air can hold largely depends on:

050 13815 Uncategorized Wind

stability of air. air temperature. the dew point. relative humidity.

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10-The maximum amount of water vapour that the air can contain depends on the

050 4038 Thermodynamics

relative humidity dewpoint stability of the air air temperature

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11-The amount of water vapor which air can hold largely depends on:

050 1

Stability of air. Dew point. Relative humidity. Air temperature.

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12-The maximum amount of water vapour that the air can contain depends on the

050 1

dewpoint stability of the air air temperature relative humidity

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13-What are the conditions required for the formation of hoar frost?

050 14263 Wind Uncategorized

The temperature of the surface is lower than the dew point of the air and the dew point is lower than 0°C. Falling droplets on a surface with a temperature below freezing. Falling droplets on a surface while the air temperature is below freezing. The temperature of the surface is higher than the dew point of the air and the dew point is lower than 0°C.

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14-What is a Foehn wind?

050 16396 Climatology

It is a warm and moist anabatic wind that usually carries precipitation. It is an adiabatically heated wind blowing down a mountain side. The temperature on the lee side is normally lower than on the windward side of the mountain at the same level. It is a flow of warm air up a slope of a hill caused by surface heating. It is an adiabatically heated wind blowing down a mountain side. The temperature on the lee side is normally higher than on the windward side of the mountain at the same level.

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15-The dewpoint temperature

050 4029 Thermodynamics

is always lower than the air temperature can be equal to the air temperature can not be equal to the air temperature is always higher than the air temperature

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16-Relative humidity depends on

050 4030 Thermodynamics

moisture content and pressure of the air moisture content of the air only temperature of the air only moisture content and temperature of the air

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17-The dewpoint temperature

050 4031 Thermodynamics

can not be equal to the air temperature is always higher than the air temperature can be equal to the air temperature is always lower than the air temperature

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18-Tropopause pauses _______.

050 1

the temperature and the horizontal motion of air. the pressure. the stratus clouds. the temperature and the vertical motion of air.

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19-Relative humidity depends on

050 1

moisture content of the air only temperature of the air only moisture content and pressure of the air moisture content and temperature of the air

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20-State the definition for QNH:

050 1

QFE reduced to MSL, using standard temperature gradient QNE reduced to MSL, using standard temperature gradient QFE reduced to MSL, using actual temperature gradient QFF reduced to MSL, using standard temperature gradient

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21-An aircraft is flying through the Alps on a very cold winter's day. The regional QNH is 1013 hPa. During the flight, you circle around a mountain at an altitude of its summit. What reading will the aneroid altimeter give, compared to the elevation of the summit?

050 14145 The Atmosphere

There is insufficient information to come to a conclusion The same altitude as the elevation of the summit A lower altitude than the elevation of the summit A higher altitude than the elevation of the summit

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22-An aircraft is flying from Point A to Point B on the upper level contour chart. The altimeter setting is 1013,2 hPa. Which of these statements is correct?

050 2518 The Atmosphere

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

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23-An aircraft is flying from Point A to Point B on the upper level contour chart. The altimeter setting is 1013,2 hPa. Which of these statements is correct?

050 2517 The Atmosphere

The true altitude will be higher at A than at B Wind speed at A and at B is the same The true altitude will be higher at B than at A Wind speed at A is higher than at B

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24-An aircraft is flying from Point A to Point B on the upper level contour chart. The altimeter setting is 1013.2 hPa. Which of these statements is correct?

050 2516 Uncategorized Wind

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

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25-An aircraft is flying from Point A to Point B on the upper level contour chart. The altimeter setting is 1013,2 hPa. Which of these statements is correct?

050 2519 The Atmosphere

The true altitude will be higher at A than at B Wind speed at A and at B is the same Wind speed at B is higher than at A The true altitude will be higher at B than at A

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26-Define high pressure:

050 1

None of the above. An area with higher pressure than that of the environments. An area of divergence. A high pressure ridge.

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27-The radiosonde can directly measure:

050 13611 Meteorological Information

wind, atmospheric pressure, air temperature. humidity, wind, atmospheric pressure. atmospheric pressure, air temperature, humidity. air temperature, humidity, wind.

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28-The rate of fall of pressure with height is:

050 1

Constant Greater in warm air than in cold air Greater in cold air than in warm air Inversely proportional to temperature

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29-The rate of fall of pressure with height is?

050 1

Inversely proportional to temperature. Greater in warm air than cold air. Greater in cold air than in warm air. Constant

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30-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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31-Moist air is:

050 1

Denser than dry air Less dense than dry air Warmer than dry air Colder than dry air

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32-Which is true of the temperature at the tropopause?

050 4996 The Atmosphere

There is no significant difference with change of latitude It is higher in equatorial regions than in polar regions It is higher in polar regions than in equatorial regions It is highest in mid-latitudes

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33-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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34-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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35-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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36-In the troposphere the decrease in pressure per 100 m increase in height is

050 133 The Atmosphere

larger in the lower layers than in the higher layers in the order of 27 hPa per 100 m in the friction layer always larger in a high pressure area than in a low pressure area larger in the higher layers than in the lower layers

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37-One of the reasons why land surfaces heat and cool more quickly than water is because:

050 1

Land has a higher specific heat than water Water has a higher specific heat than land Land has a lower conductivity than water Water has a lower relative density than land

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38-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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39-An occlusion has the characteristics of a warm front when:

050 10865 Air Masses and Fronts

the cold air ahead is lifted the cold air behind is colder than the cold air ahead the cold air behind is lifted by the warm air the cold air behind is warmer than the cold air ahead

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40-What are the typical differences with regard to the temperature and humidity between an air mass with its origin in the Azores and an air mass with its origin over northern Russia ?

050 1253 Air Masses and Fronts

The air of the Azores is warmer and more humid than the North-Russian air. The North-Russian air is warmer and dryer than the air of the Azores. The North-Russian air is colder and more humid than the air of the Azores. The air of the Azores is warmer and dryer than the North-Russian air.

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41-How does the temperature effect of on vertical pressure variation.

050 1

In warm air, the rate of pressure decrease with altitude is greater than in cold air. Warm air causes pressure to fall more rapidly with height. In cold air, the rate of pressure decrease with altitude is greater than in warm air. Cold air causes pressure to fall more slowly with height.

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42-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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43-In the middle of the eye of a hurricane the wind speed is

050 14261 Wind

higher than 63 knots and the air is descending lower than 63 knots and the air is ascending higher than 63 knots and the air is ascending lower than 63 knots and the air is descending

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44-During a flight at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1015 hPa), an aircraft remains at a constant true altitude. The reason for this is that:

050 1549 The Atmosphere

the air at Marseille is colder than that at Palma de Mallorca. one of the two QNH values may be incorrect. the altimeters are erroneous, and need to be tested. the air at Marseille is warmer than that at Palma de Mallorca.

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45-During a flight over the sea at FL 100 from Marseille (QNH 1016 hPa) to Palma de Mallorca (QNH 1016 hPa), the true altitude is constantly decreasing. What is the probable reason for this ?

050 2256 The Atmosphere

The air at Marseille is warmer than that at Palma de Mallorca The air at Palma de Mallorca is warmer than that at Marseille One of the QNH values must be wrong The altimeter is faulty

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46-An aircraft flying at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1006 hPa) experiences no change to true altitude. The reason for this is that:

050 2254 The Atmosphere

the air at Palma de Mallorca is colder than that at Marseille the air at Palma de Mallorca is warmer than that at Marseille one of the two QNH values may be incorrect the altimeters are erroneous, and need to be tested

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47-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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48-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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49-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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50-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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51-Which statement is true ?

050 3736 Uncategorized Wind

QNH can be 1013.25 hPa only for a station at MSL QNH can be lower as well as higher than 1013.25 hPa QNH is lower than 1013.25 hPa at any time QNH can not be 1013.25 hPa

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52-Dew point is defined as

050 5032 Thermodynamics

the temperature below which the change of state in a given volume of air will result in the absorption of latent heat the lowest temperature at which evaporation will occur for a given pressure the lowest temperature to which air must be cooled in order to reduce the relative humidity the temperature to which moist air must be cooled to become saturated at a given pressure

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53-The formation of morning fog before sunrise is possible if

050 10918 Clouds and Fog

the turbulence in the lower layers is moderate the wind is strong air temperature and dew point are equal or close to one another the sky is overcast

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54-What does dewpoint mean?

050 1202 Thermodynamics

The temperature to which a mass of air must be cooled in order to reach saturation. The temperature at which ice melts. The temperature at which the relative humidity and saturation vapour pressure are the same. The freezing level (danger of icing).

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55-In stratiform clouds

050 16718 Clouds and Fog

weak vertical currents occur and the temperature is nearly equal to the temperature of the surrounding air at the same height strong vertical currents occur and the temperature is much higher than the temperature of the surrounding air at the same height weak vertical currents occur and the temperature is much higher than the temperature of the surrounding air at the same height strong vertical currents occur and the temperature is much lower than the temperature of the surrounding air at the same height

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56-At which pressure and temperature conditions may you safely assume that the minimum usable flight level at least lies at the same height, as the minimum safe altitude?

050 13635 The Atmosphere

In a very cold area with a QNH of 1015 hPa At a temperature less than or equal to that of the ISA and where the QNH is less than 1013.25 hPa In a cold low pressure region At a temperature greater than or equal to that of the ISA and where the QNH is greater than or equal to 1013.25 hPa

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57-At which pressure and temperature conditions may you safely assume that the minimum usable flight level at least lies at the same height, as the minimum safe altitude?

050 1579 The Atmosphere

At a temperature greater than or equal to that of the ISA and where the QNH is greater than or equal to 1013.25 hPa In a very cold area with a QNH of 1015 hPa At a temperature less than or equal to that of the ISA and where the QNH is less than 1013.25 hPa In a cold low pressure region

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58-Which of the following are favourable conditions for the formation of freezing rain?

050 1212 Precipitation

Water droplets falling from cold air aloft with a temperature below 0°C into air with a temperature above 0°C. An isothermal layer aloft with a temperature just above 0°C through which rain is falling. Warm air aloft from which rain is falling into air with a temperature below 0°C. Cold air aloft from which hail is falling into air that is warm.

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59-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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60-What is the reason for decreasing in the density when the water vapor added to the given volume of air?

050 1

Water vapor molecules are bigger than the air molecules. Water vapor molecules are less than the air molecules. Water vapor molecules have less weight than the air molecules. Water vapor molecules have more weight the air molecules.

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61-What is signified if an occlusion is described as "cold"?

050 10943 Air Masses and Fronts

The air ahead of the associated warm front is less cold than the air behind the associated cold front The air ahead of the associated warm front is colder than the air behind the associated cold front On meeting the warm front, the cold front moves up the warm frontal surface It derives from a polar depression

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62-During a flight over the sea at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1012 hPa), the true altitude is constantly increasing. What action, if any, should be taken ?

050 2255 The Atmosphere

Compensate by heading further to the left Recheck the QNH because one of the QNH values must be wrong None, the reason for the change is that the air around Palma is warmer than the air around Marseille Have your altimeter checked, because its readings are obviously wrong

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63-The following temperatures have been observed over a station at 1200 UTC. Assume the station is at MSL. Height in feet. Temperature in degrees C. 20000.-12 18000.-11 16000.-10 14000.-10 12000.-6 10000.-2 8000. +2 6000. +6 4000. +12 2000. +15 surface+15. Which of the following statements is correct ?

050 4134 Uncategorized Wind

The temperature at 10000 FT is in agreement with the temperature in the International Standard Atmosphere. The layer between 16000 and 18000 FT is absolutely unstable Assuming that the MSL pressure is 1013.25 hPa the true altitude of an aircraft would actually be higher than the indicated altitude. The height of the freezing level over the station is approximately 12000 FT.

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64-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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65-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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66-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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67-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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68-The presence of ice pellets at the surface is the evidence that:

050 13612 Uncategorized Wind

a cold front has passed. temperatures are above freezing at some higher altitudes. after take-offyou can climb to a higher altitude without encountering more than light icing conditions. there are thunderstorms in the area.

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69-The presence of ice pellets at the surface is the evidence that:

050 15520 Wind Uncategorized

a cold front has passed. after take-off you can climb to a higher altitude without encountering more than light icing conditions. temperatures are above freezing at some higher altitudes. there are thunderstorms in the area.

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70-While mountain flying on a cold winter day, under fair weather conditions (QNH1013 hPa), you circle a mountain of known height at peak elevation. Comparing to the elevation of the mountain, the aneroid altimeter of your aircraft will therefore indicate... .

050 1

peak elevation cannot be determined a lower altitude a higher altitude

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71-The pressure altitude is equal to the true altitude if

050 4191 The Atmosphere

standard atmospheric conditions occur the outside air temperature is standard for that height the indicated altitude is equal to the pressure altitude the air pressure is 1013.25 hPa at the surface

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72-In mid-latitudes, the tops of Cumulus are often limited by

050 10895 Clouds and Fog

a radiation inversion the tropopause a layer of unstable air a temperature inversion

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73-What change in temperature will occur at point A during the next hour?

050 15566 Air Masses and Fronts

A drop in temperature A rise in temperature Approximately constant temperature Irregular fluctuations

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74-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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75-The arctic front is the boundary between:

050 13814 Air Masses and Fronts

polar air and arctic air. arctic air and tropical air. polar air and tropical air. cold polar air and less cold polar air.

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76-The polar front is the boundary between:

050 1201 Air Masses and Fronts

polar air and tropical air. maritime polar air and continental polar air. arctic air and polar air. arctic air and tropical air.

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77-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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78-A Cb with thunderstorm has reached the mature stage. Which statement is correct?

050 13709 Flight Hazards

Severe turbulence occurs in the cloud, but hardly ever below the cloud. The freezing level in the whole cloud lies lower than outside the cloud. In temperatures lower than -23°C icing is still possible. If hail occurs, it only occurs in downdrafts.

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79-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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80-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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81-Which type of air mass never occurs over central Europe ?

050 12863 Air Masses and Fronts

Equatorial air Tropical air Polar air Arctic air

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82-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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83-If a cap cloud covered the mountain peak, this may be the indication of;

050 1

Precipitation High level winds. Calm windy area Stable air

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84-Lack of cloud at low level in a stationary high is due to:

050 1

rising air. sinking air. instability. divergence at high level.

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85-Which one is the coldest?

050 1

Tropical Air Polar air Arctic air Equatorial air

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86-What is convergence?

050 1

Air moving in Descending air. Air moving out Ascending air

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87-The difference between temperature and dew point is greater in

050 1

dry air air with high temperature moist air air with low temperature

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88-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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89-A moist but unsaturated parcel of air becomes saturated by

050 4033 Thermodynamics

lowering the parcel to a lower level moving the parcel to an area with higher pressure and equal temperature moving the parcel to an area with lower pressure and equal temperature lifting the parcel to a higher level

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90-What is necessary for the development of a polar front jet stream?

050 13630 Wind

An unstable atmosphere up to great heights. Strong horizontal temperature gradients. Strong vertical temperature gradients. A uniform pressure pattern.

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91-Which of the following factors have the greatest effect on the formation of the various types of ice on an aircraft ?

050 4252 Flight Hazards

Relative humidity inside the cloud Aircraft speed and size of cloud droplets Aircraft speed and curvature of the airfoil Cloud temperature and droplet size

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92-A wide body takes off on a clear night in Dhahran, Saudi Arabia. Shortly after take off the aircraft's rate of climb drops to zero. This can be due to

050 4195 Flight Hazards

very pronounced downdrafts a very strong temperature inversion low relative humidity sand/dust in the engines

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93-After a clear night cumuliform clouds are formed in the morning. Why can the base of these clouds become higher during the day?

050 13658 Clouds and Fog

Because the difference between the temperature and the dewpoint temperature at the initial condensation level becomes smaller. The wind speed is increasing, because the cold air mass changes into a warm air mass. Because the surface temperature increases. Because the stability increases.

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94-What change in temperature will occur at point B during the next hour?

050 15532 Air Masses and Fronts

A drop in temperature Irregular fluctuations A rise in temperature Approximately constant temperature

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95-On average, going from the equator to the north pole, the altitude of the tropopause

050 1783 The Atmosphere

increases and its temperature increases decreases and its temperature decreases increases and its temperature decreases decreases and its temperature increases

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96-Tropical revolving storms do not occur in the southeast Pacific and the south Atlantic mainly because

050 1991 Pressure Systems

the southeast trade winds cross over into the northern hemisphere. of the strong southeast wind. there is no coriolis force present. of the low water temperature.

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97-How, if at all, is the relative humidity of an unsaturated air mass influenced by temperature changes?

050 1206 Thermodynamics

It is only influenced by the amount of water vapour. It is not influenced by temperature changes. It increases with increasing temperature. It decreases with increasing temperature.

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98-A parcel of unsaturated air is lifted to just below the condensation level and then returned to its original level. What is the final temperature of the parcel of air?

050 63 Thermodynamics

Higher than the starting temperature. Lower than the starting temperature. It depends upon the QFE. The same as the starting temperature.

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99-The height of the lifting condensation level is determined by

050 4050 Thermodynamics

temperature at surface and air pressure wet adiabatic lapse rate and dewpoint at the surface wind and dewpoint at the surface temperature and dewpoint at the surface

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100-An inversion is

050 4169 Wind Uncategorized

a decrease of temperature with height a decrease of pressure with height an increase of temperature with height an increase of pressure with height

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1-Which of the following conditions would cause the altimeter to indicate a lower altitude than that actually flown ?

2-In towering cumulus clouds

3-Under what condition does pressure altitude have the same value as density altitude ?

4-Under which condition does pressure altitude have the same value as density altitude ?

5-Which of the following statements is true of the dew point of an air mass?

6-What is a downburst?

7-Which of the following statements is true of the dew point of an air mass?

8-An occlusion is called a warm occlusion when the cold air

9-The amount of water vapour which air can hold largely depends on:

10-The maximum amount of water vapour that the air can contain depends on the

11-The amount of water vapor which air can hold largely depends on:

12-The maximum amount of water vapour that the air can contain depends on the

13-What are the conditions required for the formation of hoar frost?

14-What is a Foehn wind?

15-The dewpoint temperature

16-Relative humidity depends on

17-The dewpoint temperature

18-Tropopause pauses _______.

19-Relative humidity depends on

20-State the definition for QNH:

21-An aircraft is flying through the Alps on a very cold winter's day. The regional QNH is 1013 hPa. During the flight, you circle around a mountain at an altitude of its summit. What reading will the aneroid altimeter give, compared to the elevation of the summit?

22-An aircraft is flying from Point A to Point B on the upper level contour chart. The altimeter setting is 1013,2 hPa. Which of these statements is correct?

23-An aircraft is flying from Point A to Point B on the upper level contour chart. The altimeter setting is 1013,2 hPa. Which of these statements is correct?

24-An aircraft is flying from Point A to Point B on the upper level contour chart. The altimeter setting is 1013.2 hPa. Which of these statements is correct?

25-An aircraft is flying from Point A to Point B on the upper level contour chart. The altimeter setting is 1013,2 hPa. Which of these statements is correct?

26-Define high pressure:

27-The radiosonde can directly measure:

28-The rate of fall of pressure with height is:

29-The rate of fall of pressure with height is?

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

31-Moist air is:

32-Which is true of the temperature at the tropopause?

33-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?

34-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?

35-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?

36-In the troposphere the decrease in pressure per 100 m increase in height is

37-One of the reasons why land surfaces heat and cool more quickly than water is because:

38-The Variation of Air Density with Temperature:

39-An occlusion has the characteristics of a warm front when:

40-What are the typical differences with regard to the temperature and humidity between an air mass with its origin in the Azores and an air mass with its origin over northern Russia ?

41-How does the temperature effect of on vertical pressure variation.

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

43-In the middle of the eye of a hurricane the wind speed is

44-During a flight at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1015 hPa), an aircraft remains at a constant true altitude. The reason for this is that:

45-During a flight over the sea at FL 100 from Marseille (QNH 1016 hPa) to Palma de Mallorca (QNH 1016 hPa), the true altitude is constantly decreasing. What is the probable reason for this ?

46-An aircraft flying at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1006 hPa) experiences no change to true altitude. The reason for this is that:

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

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

49-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?

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

51-Which statement is true ?

52-Dew point is defined as

53-The formation of morning fog before sunrise is possible if

54-What does dewpoint mean?

55-In stratiform clouds

56-At which pressure and temperature conditions may you safely assume that the minimum usable flight level at least lies at the same height, as the minimum safe altitude?

57-At which pressure and temperature conditions may you safely assume that the minimum usable flight level at least lies at the same height, as the minimum safe altitude?

58-Which of the following are favourable conditions for the formation of freezing rain?

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

60-What is the reason for decreasing in the density when the water vapor added to the given volume of air?

61-What is signified if an occlusion is described as "cold"?

62-During a flight over the sea at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1012 hPa), the true altitude is constantly increasing. What action, if any, should be taken ?

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

65-Which of the following statements is correct?

66-Which of the following statements is correct?

67-An air mass is:

68-The presence of ice pellets at the surface is the evidence that:

69-The presence of ice pellets at the surface is the evidence that:

70-While mountain flying on a cold winter day, under fair weather conditions (QNH1013 hPa), you circle a mountain of known height at peak elevation. Comparing to the elevation of the mountain, the aneroid altimeter of your aircraft will therefore indicate... .

71-The pressure altitude is equal to the true altitude if

72-In mid-latitudes, the tops of Cumulus are often limited by

73-What change in temperature will occur at point A during the next hour?

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

75-The arctic front is the boundary between:

76-The polar front is the boundary between:

77-All aneroid altimeters are calibrated with the;

78-A Cb with thunderstorm has reached the mature stage. Which statement is correct?

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