Index - Atpl Campus

100 item has been found

1-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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2-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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3-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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4-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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5-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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6-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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7-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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8-The temperature at 10000ft in the ICAO Standard Atmosphere

050 1

0 C -20 C -35 C -5 C

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9-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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10-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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11-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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12-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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13-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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14-The environmental lapse rate in an actual atmosphere

050 3727 The Atmosphere

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

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15-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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16-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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17-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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18-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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19-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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20-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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21-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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22-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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23-Absolute instability in the atmosphere will occur when the environmental lapse rate is

050 10852 Thermodynamics

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

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

050 10899 Thermodynamics

absolutely unstable unstable conditionally unstable stable

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25-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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26-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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27-Consider a parcel of air being forced upwards in the atmosphere. The lapse rate of the surrounding air is less than the saturated adiabatic lapse rate. After the initial force is no longer effective, the parcel of air

050 15075 Thermodynamics

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

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28-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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29-The dry adiabatic lapse rate

050 3729 The Atmosphere

has a variable value is greater during the night than during the day is greater in summer than in winter has a constant fixed value

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30-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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31-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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32-On a route segment from A to B the highest terrain elevation is approximately 200 feet. For an instrument flight the minimum obstacle clearance is 1000 feet. The subscale of the altimeter is set to the local QNH of 1013 hPa and the temperature on the ground is -5°C. Assume a standard temperature lapse rate. What is the approximate minimum acceptable altimeter indication during the flight on this route segment?

050 15265 The Atmosphere

1100 feet. 1300 feet. 1000 feet. 1400 feet.

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33-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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34-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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35-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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36-The value of the saturated adiabatic lapse rate is closest to that of the dry adiabatic lapse rate in

050 4997 The Atmosphere

cirrus freezing fog cumulus stratus

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37-What is the dry adiabatic lapse rate ?

050 12860 Thermodynamics

1.5°C/1000 FT 3.0°C/1000 FT 3.5°C/1000 FT 2.0°C/1000 FT

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38-What is the dry adiabatic lapse rate ?

050 61 Thermodynamics

3.0°C/1000 FT 3.5°C/1000 FT 1.5°C/1000 FT 2.0°C/1000 FT

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39-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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40-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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41-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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42-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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43-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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44-The dry adiabatic lapse rate has a value of

050 3728 The Atmosphere

2°C/1000FT 0.65°C/100m 0.5°C/100m 1°C/100m

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45-The dry adiabatic lapse rate has a value of

050 1

2°C/1000ft 0.5°C/100m 0.65°C/100m 3°C/1000ft

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46-If an Environment Lapse Rate (ELR) has steep value...

050 1

stable conditions exist. conditionally stable conditions exist. neutral conditions exist. unstable conditions exist.

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47-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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48-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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49-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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50-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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51-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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52-In standard atmosphere, 500 hPa level corresponds to:

050 1

18000 ft 12000 ft 10000 ft 15000 ft

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

050 1

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

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54-Absolute instability is said to exist whenever the environmental lapse rate

050 13656 Wind Uncategorized

is between the dry and saturated adiabatic lapse rate exceeds the dry adiabatic lapse rate is less than the dry adiabatic lapse rate is less than the saturated adiabatic lapse rate

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55-Absolute instability is said to exist whenever the environmental lapse rate

050 1199 Wind Uncategorized

is between the dry and saturated adiabatic lapse rate is less than the saturated adiabatic lapse rate exceeds the dry adiabatic lapse rate is less than the dry adiabatic lapse rate

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56-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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57-The troposphere

050 4193 Wind Uncategorized

contains all oxygen of the stratosphere reaches the same height at all latitudes is the separation layer between the stratosphere and atmosphere has a greater vertical extent above the equator than above the poles

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58-The troposphere is the

050 3716 The Atmosphere

part of the atmosphere below the tropopause boundary between the stratosphere and the mesosphere boundary between the mesosphere and thermosphere part of the atmosphere above the stratosphere

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59-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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60-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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61-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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62-The decrease in temperature, per 100 metres, in a saturated rising parcel of air at lower level of the atmosphere is approximately

050 4133 Thermodynamics

1.5°C 0.6°C 0.35°C 1°C

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

050 1

0.6°C 1.5°C 0.35°C 1°C

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64-If atmospheric conditions exist such that the temperature deviation is ISA +10°C in the lower troposphere up to 18000 FT, what is the actual layer thickness between FL 60 and FL 120 ?

050 66 The Atmosphere

6000 FT. 5760 FT. 6240 FT. 5900 FT.

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65-The thickness of the troposphere varies with

050 10932 The Atmosphere

the wind latitude longitude rotation of the earth

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66-The average thickness of the troposphere varies with

050 2127 Uncategorized Wind

longitude latitude the wind rotation of the earth

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67-One of the defining characteristics of the Troposphere is;

050 1

containing over 70% of the total mass of the atmosphere. the average height of the Tropopause is araund 8 km, or 26 250 feet. the mass of the atmosphere is the same in all layers of the atmosphere. the height of the Tropopause does not change

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68-The thickness of the troposphere varies with

050 1

the wind longitude rotation of the earth latitude

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69-As altitude increases in troposphere

050 1

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

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70-What is a characteristic of the troposphere?

050 1

There is an overall decrease of temperature with an increase of altitude The average altitude of the top of the troposphere is about 8 kilometres There is an overall increase of temperature with an increase of altitude It contains all the moisture of the atmosphere

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71-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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72-In an isothermal layer the state of the atmosphere is

050 15587 The Atmosphere

conditionally unstable. neutral. absolutely unstable. absolutely stable.

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73-The total depth of the atmosphere is approximately

050 1

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

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74-The atmosphere is heated mainly by:

050 1

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

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75-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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76-What are the proportions of gases in the atmosphere?

050 1

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

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

050 1

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

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78-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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79-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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80-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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81-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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82-What is the approximate composition of the dry air by volume in the troposphere ?

050 1103 The Atmosphere

10 % oxygen, 89 % nitrogen, and the rest other gasses 21 % oxygen, 78 % nitrogen, and the rest other gasses 50 % oxygen, 40 % nitrogen, and the rest other gasses 88 % oxygen, 9 % nitrogen, and the rest other gasses

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83-What is the boundary layer between troposphere and stratosphere called?

050 1195 The Atmosphere

Atmosphere. Ionosphere. Tropopause. Stratosphere.

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84-You intend to overfly a mountain range. The recommended minimum flight altitude is, according to the aviation chart, 15000 FT/AMSL. The air mass that you will fly through is on average 15°C warmer than the standard atmosphere. The altimeter is set to QNH (1023 hPa). At what altimeter reading will you effectively be at the recommended minimum flight altitude?

050 1556 The Atmosphere

15900 FT. 13830 FT. 14100 FT. 14370 FT.

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85-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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86-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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87-What is a characteristic phenomenon for a stable atmosphere?

050 13631 Clouds and Fog

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

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

050 2126 The Atmosphere

5 km 11 km 3 km 8 km

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89-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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90-By volume, what percentage of the air in the lower troposphere consists of water vapour?

050 15462 The Atmosphere

5-10 % 20-30 % 0-5 % 10-15 %

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91-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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92-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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93-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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94-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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95-During the adiabatic processes, temperature ...

050 1

Doesn’t change always decreases increases or decreases always increases

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96-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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97-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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98-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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99-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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100-Which one is not the way of heat transfer in the atmosphere?

050 1

Conduction Convection Advection Inversion

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

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

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

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

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

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

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

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

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

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

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

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

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

14-The environmental lapse rate in an actual atmosphere

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

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

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

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

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

20-What is the lowest temperature in standard atmosphere?

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

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

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

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

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

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

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

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

29-The dry adiabatic lapse rate

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

31-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?

33-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?

34-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?

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

36-The value of the saturated adiabatic lapse rate is closest to that of the dry adiabatic lapse rate in

37-What is the dry adiabatic lapse rate ?

38-What is the dry adiabatic lapse rate ?

39-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?

40-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?

41-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?

42-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) ?

43-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?

44-The dry adiabatic lapse rate has a value of

45-The dry adiabatic lapse rate has a value of

46-If an Environment Lapse Rate (ELR) has steep value...

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

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

49-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?

50-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?

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

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

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

54-Absolute instability is said to exist whenever the environmental lapse rate

55-Absolute instability is said to exist whenever the environmental lapse rate

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

57-The troposphere

58-The troposphere is the

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

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

61-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:

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

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

64-If atmospheric conditions exist such that the temperature deviation is ISA +10°C in the lower troposphere up to 18000 FT, what is the actual layer thickness between FL 60 and FL 120 ?

65-The thickness of the troposphere varies with

66-The average thickness of the troposphere varies with

67-One of the defining characteristics of the Troposphere is;

68-The thickness of the troposphere varies with

69-As altitude increases in troposphere

70-What is a characteristic of the troposphere?

71-The pressure of the atmosphere:

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

73-The total depth of the atmosphere is approximately

74-The atmosphere is heated mainly by:

75-The pressure change with height of the atmosphere:

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

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

78-The dewpoint temperature

79-The dewpoint temperature