Index - Atpl Campus

100 item has been found

1-The dewpoint temperature

050 13811 Thermodynamics

can be reached by lowering the pressure whilst keeping temperature constant can not be lower than the air temperature can be reached by cooling the air whilst keeping pressure constant can not be equal to the air temperature

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2-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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3-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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4-The dewpoint temperature:

050 1

Cannot be equal to the air temperature Cannot be lower than the air temperature Can be reached by lowering the pressure whilst keeping temperature constant Can be reached by cooling the air whilst keeping the pressure constant

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5-How does relative humidity and the dewpoint in an unsaturated air mass change with varying temperature?

050 1207 Thermodynamics

When temperature decreases, the relative humidity and the dewpoint remain constant. When temperature increases, the relative humidity decreases, and the dewpoint remains constant. When temperature increases, the relative humidity increases, and the dewpoint decreases. When temperature decreases, the relative humidity decreases, and the dewpoint increases.

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6-The morning following a clear, calm night when the temperature has dropped to the dewpoint, is likely to produce

050 4087 Clouds and Fog

a cold front good clear weather advection fog radiation fog

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7-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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8-On an upper wind and temperature chart:

050 12844 Meteorological Information

the height is constant all over the chart. the wind increases from south to north. the temperature is constant all over the chart. the pressure is constant all over the chart.

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9-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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10-On an upper wind and temperature chart:

050 14936 Meteorological Information

the wind increases from south to north. the height is constant all over the chart. the pressure is constant all over the chart. the temperature is constant all over the chart.

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11-During the adiabatic processes, temperature ...

050 1

Doesn’t change always decreases increases or decreases always increases

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12-The diurnal variation of temperature is:

050 1

reduced anywhere by the presence of cloud. increased anywhere as wind speed increases. less over desert areas than over temperate grassland, greater over the sea than over land.

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13-Daily variation of the surface temperature will:

050 1

Be at a minimum in calm conditions Be unaffected by a change of wind speed Decrease as wind speed increases Increase as the wind speed increases.

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14-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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15-What weather condition occurs at the altitude where the dewpoint lapse rate and the dry adiabatic lapse rate converge?

050 1

Cloud reaches to the top Cloud bases form Precipitation starts Stable air changes to unstable air

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16-A vertical temperature profile indicates the possibility of severe icing when the temperature profile

050 4136 Flight Hazards

indicates temperatures above 3°C indicates temperatures below -40°C intersects the 0°C isotherm twice coincides with a dry adiabatic lapse rate

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17-Surface temperature inversions are frequently generated by

050 10913 The Atmosphere

terrestrial radiation on a calm clear night compression causing the release of latent heat in a layer of stratiform cloud an unstable air mass causing convection currents and mixing of the atmosphere at lower levels gusting winds increasing surface friction during the day with consequent mixing at the lower levels

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18-The diurnal variation in temperature is largest when

050 13810 Wind Uncategorized

the sky is clear and the wind is strong the sky is overcast and the wind is weak the sky is overcast and the wind is strong the sky is clear and the wind is weak

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19-The temperature at FL 330 overhead London will be

050 1688 CAT

-33°C -57°C -45°C -39°C

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20-What characteristic is associated with a temperature inversion ?

050 1097 The Atmosphere

Instability Area of active storms Stability Clear ice

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21-The diurnal variation in temperature is largest when

050 3741 Wind Uncategorized

the sky is overcast and the wind is strong the sky is clear and the wind is weak the sky is overcast and the wind is weak the sky is clear and the wind is strong

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

050 4166 Thermodynamics

absolutely unstable neutral conditionally unstable absolutely stable

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23-An inversion is a layer of air in which the temperature

050 3724 The Atmosphere

decreases with height more than 1°C/100m remains constant with height increases with height decreases with height less than 1°C/100m

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24-The height and the temperature of the tropopause are respectively in the order of

050 3723 The Atmosphere

16 km and -40°C over the poles 8 km and - 75°C over the poles 8 km and -40°C over the equator 16 km and -75°C over the equator

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

050 1

0 C -20 C -35 C -5 C

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26-A temperature group of 28/24 in a METAR means that:

050 1

the dew point is 28°C and the temperature is 24°C. the temperature is 28°C at the time of the reporting, but is expected to become 24°C by the end of the TREND report. the dry bulb temperature is 28°C and the wet bulb temperature is 24°C. the temperature is 28°C and the dew point is 24°C.

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27-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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28-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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29-What feature is associated with a temperature inversion?

050 1

Air mass thunderstorms An unstable layer of air A stable layer of air Cold front

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30-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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31-What is the most probable temperature at the tropical tropopause?

050 12853 Wind Uncategorized

-35°C -25°C -75°C -55°C

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32-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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33-Relative humidity at a given temperature is the relation between

050 5538 Thermodynamics

dew point and air temperature water vapour weight and humid air volume actual water vapour content and saturated water vapour content water vapour weight and dry air weight

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34-Surface-based temperature inversions are common during

050 10914 The Atmosphere

cloud-free days in summer when the ground is dry cloudy days in winter when the ground is wet cloudy days in summer when the ground is wet cloud-free nights in winter when the ground is dry

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35-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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36-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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37-According to ISA the temperature in the lower part of the stratosphere

050 2128 The Atmosphere

increases with altitude first increases with altitude but decreases at higher altitudes is constant with altitude decreases with altitude

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

050 1248 The Atmosphere

-35°C. -75°C. -25°C. -55°C.

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

050 4165 Thermodynamics

neutral conditionally unstable absolutely stable unstable

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40-A layer is absolutely unstable if the temperature decrease with height is

050 4164 Thermodynamics

less than 0.65°C per 100m more than 1°C per 100m 0.65°C per 100m between 1°C per 100m and 0.65°C per 100m

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41-What is the technical term for an increase in temperature with altitude?

050 2505 The Atmosphere

Advection Subsidence Adiabatic Inversion

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42-An isothermal layer is a layer of air in which the temperature

050 3725 The Atmosphere

increases with height at a constant rate decreases with height at a constant rate increases with height remains constant with height

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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-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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45-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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46-Which temperature band causes the most dangerous icing?

050 1

(-15 C)-(-20 C) (-10 C)-(-20 C) (-20 C)-(-40 C) (0 C)-(-15 C)

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47-The diurnal variation in temperature is largest when the sky is,

050 1

clear and winds are weak overcast and winds are weak clear and winds are strong overcast and winds are strong

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

050 1

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

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49-Temperature variation during 24 hours is least over:

050 1

Forest Grass Mountain Sea

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50-What is the relationship between relative humidity and temperature?

050 1

The relative humidity does not change with temperature. The relative humidity depends on moisture content only. They are inversely proportional. They are directly proportional.

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51-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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52-In an air mass with no clouds the surface temperature is 15°C and the temperature at 1000 m/AGL is 13°C. This layer of air is:

050 2125 The Atmosphere

conditionally unstable a layer of heavy turbulence stable unstable

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53-An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level?

050 1197 The Atmosphere

5°C colder than ISA. 5°C warmer than ISA. 10°C colder than ISA. 10°C warmer than ISA.

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54-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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55-If the surface temperature is 15°C , then the temperature at 10000 FT in a current of ascending unsaturated air is:

050 4141 Thermodynamics

5°C -5°C -15°C 0°C

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56-In still air the temperature decreases at an average of 1.2°C per 100 m increase in altitude. This temperature change is called:

050 4143 The Atmosphere

saturated adiabatic lapse rate Environmental lapse rate normal lapse rate dry adiabatic lapse rate

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57-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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58-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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59-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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60-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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61-An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level

050 1

10°C colder than ISA. 10°C warmer than ISA. 5°C colder than ISA. 5°C warmer than ISA.

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62-You are flying at FL 300 where the outside air temperature is -57.5°C and the pressure at MSL is 1013.25 hPa. If you assume that the difference between the actual temperature and the temperature in the ISA is valid for the whole troposphere, then the true altitude is:

050 15416 The Atmosphere

30000 ft 27000 ft 31500 ft 28500 ft

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63-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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64-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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65-Clouds will mainly consist of supercooled water droplets when the temperature is:

050 13637 Clouds and Fog

below -40° C. between -5° C and -30° C. between -30° C and -40° C. between 0° C and -15° C.

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66-Considering the route between Valencia and Charleston at FL 340, the forecast mean temperature is

050 13580 CAT

-40°C -55°C -45°C -50°C

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67-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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68-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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69-Clouds will mainly consist of supercooled water droplets when the temperature is:

050 15725 Clouds and Fog

below -40° C. between -5° C and -30° C. between 0° C and -15° C. between -30° C and -40° C.

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70-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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71-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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72-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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73-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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74-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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75-What is the average temperature at FL 160 between Oslo and Paris ?

050 1694 CAT

-15°C -23°C -25°C -19°C

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76-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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77-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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78-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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79-In which of these temperature bands is ice most likely to form on the aircraft's surface?

050 454 Flight Hazards

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

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80-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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81-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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82-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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83-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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84-The decrease in temperature, per 100 metres, in an unsaturated rising parcel of air is

050 4132 Thermodynamics

1°C 0.5°C 0.65°C 2°C

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85-Select from the map the average temperature for the route Geneva -Stockholm at FL 260.

050 2622 CAT

-63°C -51°C -47°C -55°C

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86-Select from the map the average temperature for the route Zurich - Lisboa at FL 200.

050 2620 CAT

-41°C -33°C -49°C -30°C

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87-What is the deviation of the temperature at FL 140 above Copenhagen compared to ISA?

050 2618 CAT

8°C colder than ISA 12°C colder than ISA 8°C warmer than ISA 4°C warmer than ISA

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88-Select from the map the average temperature for the route Athens - Geneva at FL 150.

050 2617 CAT

-27°C -21°C -14°C -11°C

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89-Select from the map the average temperature for the route Zurich - Rome at FL 110.

050 2611 CAT

+5°C -9°C -12°C -6°C

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90-Due to the diurnal variations of temperature the following types of wind arise:

050 1

Anabatic winds. Monsoon winds. Sea and land breeze. Trade-winds.

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91-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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92-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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93-At a certain position, the temperature on the 300 hPa chart is -48°C; according to the tropopause chart, the tropopause is at FL 330. What is the most likely temperature at FL 350 ?

050 19 The Atmosphere

-50°C. -58°C. -54°C. -56,5°C.

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94-During the late afternoon an air temperature of +12°C and a dew point of +5°C were measured. What temperature change must at least occur during the night in order to induce saturation?

050 1209 Thermodynamics

It must decrease by 5°C. It must decrease to +6°C. It must decrease to +7°C. It must decrease to +5°C.

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95-Flight from Lisbon (LPPT) to Kingston (MKJP) At 40°N 20°W, the temperature deviation from ISA at FL 390 is

050 13624 CAT

-2°C 0°C +2°C +6°C

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96-What is the average temperature difference from ISA at FL 300 between Edinburgh and Madrid?

050 13577 CAT

+12°C -12°C -2°C +2°C

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97-The temperature deviation from ISA (to the nearest °C) overhead Charleston (33°N 080°W) at FL 340 is

050 13585 CAT

-5 -7 +3 +5

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98-In summer, when wind is calm and sky is clear, the minimum temperature over land is reached approximately

050 5535 The Atmosphere

at the moment the sun rises half an hour after sunrise one hour before sunrise half an hour before sunrise

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99-A parcel of unsaturated air is forced to rise through an isothermal layer. So long as it remains unsaturated, the temperature of the parcel

050 10847 Air Masses and Fronts

decreases 0.65°C per 100 m remains constant becomes equal to the temperature of the isothermal layer decreases 1°C per 100 m

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100-The temperature at the surface is given as +15°C and at 4000 FT it is +9°C, the state of this layer is said to be:

050 10930 The Atmosphere

stable unstable absolutely unstable conditionally unstable

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Notification

User Profile

1-The dewpoint temperature

2-The dewpoint temperature

3-The dewpoint temperature

4-The dewpoint temperature:

5-How does relative humidity and the dewpoint in an unsaturated air mass change with varying temperature?

6-The morning following a clear, calm night when the temperature has dropped to the dewpoint, is likely to produce

7-What does dewpoint mean?

8-On an upper wind and temperature chart:

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

10-On an upper wind and temperature chart:

11-During the adiabatic processes, temperature ...

12-The diurnal variation of temperature is:

13-Daily variation of the surface temperature will:

14-The Variation of Air Density with Temperature:

15-What weather condition occurs at the altitude where the dewpoint lapse rate and the dry adiabatic lapse rate converge?

16-A vertical temperature profile indicates the possibility of severe icing when the temperature profile

17-Surface temperature inversions are frequently generated by

18-The diurnal variation in temperature is largest when

19-The temperature at FL 330 overhead London will be

20-What characteristic is associated with a temperature inversion ?

21-The diurnal variation in temperature is largest when

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

23-An inversion is a layer of air in which the temperature

24-The height and the temperature of the tropopause are respectively in the order of

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

26-A temperature group of 28/24 in a METAR means that:

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

28-What is the lowest temperature in standard atmosphere?

29-What feature is associated with a temperature inversion?

30-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?

31-What is the most probable temperature at the tropical tropopause?

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

33-Relative humidity at a given temperature is the relation between

34-Surface-based temperature inversions are common during

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

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

37-According to ISA the temperature in the lower part of the stratosphere

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

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

40-A layer is absolutely unstable if the temperature decrease with height is

41-What is the technical term for an increase in temperature with altitude?

42-An isothermal layer is a layer of air in which the temperature

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

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

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

46-Which temperature band causes the most dangerous icing?

47-The diurnal variation in temperature is largest when the sky is,

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

49-Temperature variation during 24 hours is least over:

50-What is the relationship between relative humidity and temperature?

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

52-In an air mass with no clouds the surface temperature is 15°C and the temperature at 1000 m/AGL is 13°C. This layer of air is:

53-An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level?

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

55-If the surface temperature is 15°C , then the temperature at 10000 FT in a current of ascending unsaturated air is:

56-In still air the temperature decreases at an average of 1.2°C per 100 m increase in altitude. This temperature change is called:

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

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

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

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

61-An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level

62-You are flying at FL 300 where the outside air temperature is -57.5°C and the pressure at MSL is 1013.25 hPa. If you assume that the difference between the actual temperature and the temperature in the ISA is valid for the whole troposphere, then the true altitude is:

63-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?

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

65-Clouds will mainly consist of supercooled water droplets when the temperature is:

66-Considering the route between Valencia and Charleston at FL 340, the forecast mean temperature is

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

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

69-Clouds will mainly consist of supercooled water droplets when the temperature is:

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

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

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

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

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

75-What is the average temperature at FL 160 between Oslo and Paris ?

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

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

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