Meteorology - SPL - Sailplane Pilot License

Question 1

The term "tropopause" is defined as...

Accepted Answer

The boundary area between the troposphere and the stratosphere.

Answer

The layer above the troposphere showing an increasing temperature.

Answer

The height above which the temperature starts to decrease.

Answer

The boundary area between the mesosphere and the stratosphere.

Question 2

What is the mass of a "cube of air" with the edges 1 m long, at MSL according ISA?

Accepted Answer

1,225 kg

Answer

0,01225 kg

Answer

0,1225 kg

Answer

12,25 kg

Question 3

At what rate does the temperature change with increasing height according to ISA (ICAO Standard Atmosphere) within the troposphere?

Accepted Answer

Decreases by 2° C / 1000 ft

Answer

Increases by 2° C / 100 m

Answer

Decreases by 2° C / 100 m

Answer

Increases by 2° C / 1000 ft

Question 4

The height of the tropopause of the International Standard Atmosphere (ISA) is at...

Accepted Answer

36000 ft.

Answer

5500 ft

Answer

48000 ft.

Answer

11000 ft.

Question 5

What weather development will result from convergence at ground level?

Accepted Answer

Ascending air and cloud formation

Answer

Descending air and cloud dissipation

Answer

Ascending air and cloud dissipation

Answer

Descending air and cloud formation

Question 6

What type of cloud indicates thermal updrafts?

Accepted Answer

Cumulus

Answer

Stratus

Answer

Cirrus

Answer

Lenticularis

Question 7

Which of the stated surfaces will reduce the wind speed most due to ground friction?

Accepted Answer

Mountainous areas, vegetation cover

Answer

Flat land, lots of vegetation cover

Answer

Flat land, deserted land, no vegetation

Answer

Oceanic areas

Question 8

What visual flight conditions can be expected after the passage of a cold front?

Accepted Answer

Good visiblity, formation of cumulus clouds with showers of rain or snow

Answer

Poor visibility, formation of overcast or ground-covering stratus clouds, snow

Answer

Scattered cloud layers, visbility more than 5 km, formation of shallow cumulus clouds

Answer

Medium visibility with lowering cloud bases, onset of prolonged precipitation

Question 9

What weather conditions in Central Europe are typically found in high pressure areas during summer?

Accepted Answer

Large isobar spacing with calm winds, formation of local wind systems

Answer

Small isobar spacing with calm winds, formation of local wind systems

Answer

Large isobar spacing with strong prevailing westerly winds

Answer

Small isobar spacing with strong prevailing northerly winds

Question 10

What is the usual direction of movement of a polar front low?

Accepted Answer

Parallel to the the warm-sector isobars

Answer

To the northeast during winter, to the southeast during summer

Answer

Parallel to the warm front line to the south

Answer

To the northwest during winter, to the southwest during summer

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