Index - Atpl Campus

1-In a layer of air the decrease in temperature per 100 metres increase in height is more than 1°C. This layer can be described as being

050 4022 Thermodynamics

absolutely stable conditionally stable absolutely unstable conditionally unstable

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2-If in a 100 m thick layer the temperature at the bottom of the layer is 10°C and at the top of the layer is 8°C then this layer is

050 4168 Thermodynamics

neutral absolutely unstable absolutely stable conditionally unstable

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3-In a layer of air the decrease in temperature per 100 metres increase in height is more than 1°C. This layer can be described as being

050 1

conditionally unstable conditionally stable absolutely stable absolutely unstable

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4-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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5-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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6-A layer in which the temperature increases with height is

050 4166 Thermodynamics

absolutely unstable neutral conditionally unstable absolutely stable

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

050 4165 Thermodynamics

neutral conditionally unstable absolutely stable unstable

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8-An inversion is a layer of air which is

050 3726 Uncategorized Wind

conditionally stable absolutely stable absolutely unstable conditionally unstable

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9-An inversion is a layer of air which is

050 1

conditionally stable absolutely unstable conditionally unstable absolutely stable

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10-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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11-Convective clouds are formed

050 4039 Clouds and Fog

in stable atmosphere in summer during the day only in mid-latitudes only in unstable atmosphere

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12-When cold air moves over a warmer surface, __________.

050 1

it becomes stable. it produces frontal fog. it becomes unstable. it sinks.

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13-Convective clouds are formed

050 1

In summer during the day only In stable atmosphere In unstable atmosphere In mid-latitudes only

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

050 15610 The Atmosphere

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

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15-An inversion is

050 13664 Uncategorized Wind

an unstable layer a layer that can be either stable or unstable an absolutely stable layer a conditionally unstable layer

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16-In an unstable layer there are cumuliform clouds. The vertical extent of these clouds depends on the

050 4048 Clouds and Fog

air pressure at the surface wind direction pressure at different levels thickness of the unstable layer

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17-Thunderstorms in exceptional circumstances can occur in a warm front if

050 2715 Air Masses and Fronts

the warm air is unstable. the warm air is stable. the cold air is unstable. the cold air is stable.

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18-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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19-In addition to a lifting action, what are two other requirements necessary for thunderstorm formation ?

050 2176 Flight Hazards

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

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20-Which statement concerning the tropopause is correct?

050 12833 The Atmosphere

Above the tropopause no clear air turbulence occurs In the ICAO standard atmosphere the tropopause lies lower over the Poles than over the equator The temperature at the tropopause is approximately -80°C over the Poles and approximately -40°C over the equator The layer just above the tropopause is absolutely stable

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

050 2010 Wind Uncategorized

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

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22-A layer is conditionally unstable if the air

050 62 The Atmosphere

is unstable for saturated air as well as for dry air. is stable for saturated air and unstable for dry air. is unstable for saturated air and stable for dry air. becomes stable by lifting it.

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23-A layer can be

050 4021 The Atmosphere

stable for saturated air and unstable for unsaturated air unstable for unsaturated air and conditionally unstable stable for unsaturated air and unstable for saturated air unstable for unsaturated air and neutral for saturated air

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24-For cumulonimbus cloud to develop, there needs to exist:

050 1

From the surface upwards, a shallow layer of very unstable moist air. A deep layer of very stable moist air with a shallow lapse rate. From the surface upwards, a deep layer of very unstable moist air. From the surface up, a deep layer of very unstable moist air with a shallow lapse rate.

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1-In a layer of air the decrease in temperature per 100 metres increase in height is more than 1°C. This layer can be described as being

2-If in a 100 m thick layer the temperature at the bottom of the layer is 10°C and at the top of the layer is 8°C then this layer is

3-In a layer of air the decrease in temperature per 100 metres increase in height is more than 1°C. This layer can be described as being

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

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

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

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

8-An inversion is a layer of air which is

9-An inversion is a layer of air which is

10-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

11-Convective clouds are formed

12-When cold air moves over a warmer surface, __________.

13-Convective clouds are formed

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

15-An inversion is

16-In an unstable layer there are cumuliform clouds. The vertical extent of these clouds depends on the

17-Thunderstorms in exceptional circumstances can occur in a warm front if

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

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

20-Which statement concerning the tropopause is correct?

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

22-A layer is conditionally unstable if the air

23-A layer can be

24-For cumulonimbus cloud to develop, there needs to exist: