Exam quiz Meteorology - SPL - Sailplane Pilot License

Question 1

Information about pressure patterns and frontal situation can be found in which chart?

Accepted Answer

Surface weather chart.

Answer

Significant Weather Chart (SWC)

Answer

Wind chart.

Answer

Hypsometric chart

Question 2

What pressure pattern can be observed during the passage of a polar front low?

Accepted Answer

Falling pressure in front of the warm front, constant pressure within the warm sector, rising pressure behind the cold front

Answer

Rising pressure in front of the warm front, constant pressure within the warm sector, rising pressure behind the cold front

Answer

Rising pressure in front of the warm front, rising pressure within the warm sector, falling pressure behind the cold front

Answer

Falling pressure in front of the warm front, constant pressure within the warm sector, falling pressure behind the cold front

Question 3

The pressure at MSL in ISA conditions is...

Accepted Answer

1013.25 hPa.

Answer

113.25 hPa.

Answer

15 hPa.

Answer

1123 hPa.

Question 4

The barometric altimeter with QFE setting indicates...

Accepted Answer

Height above the pressure level at airfield elevation.

Answer

True altitude above MSL.

Answer

Height above MSL.

Answer

Height above standard pressure 1013.25 hPa.

Question 5

"Foehn" conditions usually develop with...

Accepted Answer

Stability, widespread air blown against a mountain ridge.

Answer

Instability, high pressure area with calm wind.

Answer

Stability, high pressure area with calm wind.

Answer

Instability, widespread air blown against a mountain ridge.

Question 6

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 7

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 8

The symbol labeled (3) as shown in the picture is a / an... See figure (MET-005) Siehe Anlage 4

Accepted Answer

Occlusion.

Answer

Cold front.

Answer

Warm front.

Answer

Front aloft.

Question 9

What weather conditions can be expected in high pressure areas during winter?

Accepted Answer

Calm winds and widespread areas with high fog

Answer

Changing weather with passing of frontal lines

Answer

Squall lines and thunderstorms

Answer

Calm weather and cloud dissipation, few high Cu

Question 10

What process results in the formation of "advection fog"?

Accepted Answer

Warm, moist air is moved across cold ground areas

Answer

Cold, moist air is being moved across warm ground areas

Answer

Cold, moist air mixes with warm, moist air

Answer

Prolonged radiation during nights clear of clouds

Question 11

What weather phenomenon designated by "2" has to be expected on the lee side during "Foehn" conditions? See figure (MET-001). Siehe Anlage 1

Accepted Answer

Altocumulus lenticularis

Answer

Cumulonimbus

Answer

Cumulonimbus

Answer

Altocumulus Castellanus

Question 12

What kind of reduction in visibility is not very sensitive to changes in temperature?

Accepted Answer

Haze (HZ)

Answer

Radiation fog (FG)

Answer

Mist (BR)

Answer

Patches of fog (BCFG)

Question 13

What change in thermal activity may be expected with cirrus clouds coming up from one direction and becoming more dense, blocking the sun?

Accepted Answer

Cirrus clouds prevent insolation and impair thermal activity.

Answer

Cirrus clouds may intensify insolation and improve thermal activity

Answer

Cirrus clouds indicate an high-level inversion with thermal activity ongoing up to that level

Answer

Cirrus clouds indicate instability and beginning of over-development

Question 14

While planning a 500 km triangle flight, there is a squall line 100 km west of the departure airfield, extending from north to south, moving east. Concerning the weather situation, what decision would be recommendable?

Accepted Answer

To postpone the flight to another day

Answer

To change plans and start the triangle heading east

Answer

To plan the flight below cloud base of the thunderstorms

Answer

During flight, to look for spacing between thunderstorms

Question 15

With regard to global circulation within the atmosphere, where does polar cold air meets subtropical warm air?

Accepted Answer

At the polar front

Answer

At the equator

Answer

At the subtropical high pressure belt

Answer

At the geographic poles

Question 16

What pressure pattern may result from cold-air inflow in high tropospheric layers?

Accepted Answer

Formation of a low in the upper troposphere

Answer

Alternating pressure

Answer

Formation of a large ground low

Answer

Formation of a high in the upper troposphere

Question 17

In a METAR, "heavy rain" is designated by the identifier...

Accepted Answer

.+RA

Answer

RA.

Answer

SHRA

Answer

.+SHRA.

Question 18

Above the friction layer, with a prevailing pressure gradient, the wind direction is...

Accepted Answer

Parallel to the isobars.

Answer

At an angle of 30° to the isobars towards low pressure.

Answer

Perpendicular to the isobars.

Answer

Perpendicular to the isohypses.

Question 19

What are the air masses that Central Europe is mainly influenced by?

Accepted Answer

Polar cold air and tropical warm air

Answer

Arctic and polar cold air

Answer

Tropical and arctic cold air

Answer

Equatorial and tropical warm air

Question 20

The gliding weather report states environmental instability. At morning, dew covers gras and no thermals are presently active. What development can be expected for thermal activity?

Accepted Answer

With ongoing insolation and ground warming, thermal lifting is likely to begin

Answer

Formation of dew prevents all thermal activity during the following day

Answer

Environmental instability prevents air from being lifted and no thermals will be generated

Answer

After sunset and formation of a ground-level inversion thermal activity is likely to begin

Question 21

The barometric altimeter with QNH setting indicates...

Accepted Answer

Height above MSL

Answer

True altitude above MSL.

Answer

Height above the pressure level at airfield elevation.

Answer

Height above standard pressure 1013.25 hPa.

Question 22

The saturated adiabatic lapse rate should be assumed with a mean value of:

Accepted Answer

0,6° C / 100 m.

Answer

1,0° C / 100 m.

Answer

2° C / 1000 ft.

Answer

0° C / 100 m.

Question 23

What can be expected for the prevailling wind with isobars on a surface weather chart showing large distances?

Accepted Answer

Low pressure gradients resulting in low prevailling wind

Answer

Strong pressure gradients resulting in low prevailling wind

Answer

Strong pressure gradients resulting in strong prevailling wind

Answer

Low pressure gradients resulting in strong prevailling wind

Question 24

The dry adiabatic lapse rate has a value of...

Accepted Answer

1,0° C / 100 m.

Answer

0,65° C / 100 m.

Answer

2° / 1000 ft.

Answer

0,6° C / 100 m.

Question 25

What is the gas composition of "air"?

Accepted Answer

Oxygen 21 % Nitrogen 78 % Noble gases / carbon dioxide 1 %

Answer

Oxygen 78 % Water vapour 21 % Nitrogen 1 %

Answer

Oxygen 21 % Water vapour 78 % Noble gases / carbon dioxide 1 %

Answer

Nitrogen 21 % Oxygen 78 % Noble gases / carbon dioxide 1 %

Question 26

The character of an air mass is given by what properties?

Accepted Answer

Region of origin and track during movement

Answer

Wind speed and tropopause height

Answer

Environmental lapse rate at origin

Answer

Temperatures at origin and present region

Question 27

What chart shows areas of precipitation?

Accepted Answer

Radar picture

Answer

Satellite picture

Answer

Wind chart

Answer

GAFOR

Question 28

What phenomenon is caused by cold air downdrafts with precipitation from a fully developed thunderstorm cloud?

Accepted Answer

Gust front

Answer

Electrical discharge

Answer

Anvil-head top of Cb cloud

Answer

Freezing Rain

Question 29

Which processes result in decreasing air density?

Accepted Answer

Increasing temperature, decreasing pressure

Answer

Decreasing temperature, increasing pressure

Answer

Increasing temperature, increasing pressure

Answer

Decreasing temperature, decreasing pressure

Question 30

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 31

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 32

What situation is called "over-development" in a weather report?

Accepted Answer

Vertical development of Cumulus clouds to rain showers

Answer

Change from blue thermals to cloudy thermals during the afternoon

Answer

Development of a thermal low to a storm depression

Answer

Widespreading of Cumulus clouds below an inversion layer

Question 33

What weather conditions can be expected during "Foehn" on the windward side of a mountain range?

Accepted Answer

Layered clouds, mountains obscured, poor visibility, moderate or heavy rain

Answer

Dissipating clouds with unusual warming, accompanied by strong, gusty winds

Answer

Calm wind and forming of high stratus clouds (high fog)

Answer

Scattered cumulus clouds with showers and thunderstorms

Question 34

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 35

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 36

What frontal line divides subtropical air from polar cold air, in particular across Central Europe?

Accepted Answer

Polar front

Answer

Warm front

Answer

Cold front

Answer

Occlusion

Question 37

The temperature lapse rate with increasing height within the troposphere according ISA is...

Accepted Answer

0,65° C / 100 m.

Answer

1° C / 100 m.

Answer

0,6° C / 100 m.

Answer

3° C / 100 m.

Question 38

Extensive high pressure areas can be found throughout the year ...

Accepted Answer

Over oceanic areas at latitues around 30°N/S.

Answer

In tropical areas, close to the equator.

Answer

In areeas showing extensive lifting processes.

Answer

In mid latitudes along the polar front

Question 39

What situation may result in the occurrence of severe wind shear?

Accepted Answer

When a shower is visible close to the airfield

Answer

Flying ahead of a warm front with visible Ci clouds

Answer

Cross-country flying below Cu clouds with about 4 octas coverage

Answer

During final approach, 30 min after a heavy shower has passed the airfield

Question 40

When air masses meet each other head on, how is this referred to and what air movements will follow?

Accepted Answer

Convergence resulting in air being lifted

Answer

Divergence resulting in air being lifted

Answer

Divergence resulting in sinking air

Answer

Divergence resulting in sinking air

Question 41

Cold air inflow in high tropospheric layers may result in...

Accepted Answer

Showers and thunderstorms.

Answer

Frontal weather.

Answer

Calm weather and cloud dissipation

Answer

Stabilisation and calm weather.

Question 42

The movement of air flowing apart is called...

Accepted Answer

Divergence.

Answer

Convergence.

Answer

Concordence.

Answer

Subsidence.

Question 43

Mountain side updrafts can be intensified by ...

Accepted Answer

Solar irradiation on the windward side

Answer

Solar irradiation on the lee side

Answer

Thermal radiation of the windward side during the night

Answer

By warming of upper atmospheric layers

Question 44

Which weather chart shows the actual air pressure as in MSL along with pressure centers and fronts?

Accepted Answer

Surface weather chart

Answer

Wind chart

Answer

Prognostic chart

Answer

Hypsometric chart

Question 45

With other factors remaining constant, decreasing temperature results in...

Accepted Answer

Decreasing spread and increasing relative humidity.

Answer

Increasing spread and increasing relative humidity.

Answer

Decreasing spread and decreasing relative humidity.

Answer

Increasing spread and decreasing relative humidity.

Question 46

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 47

What information can be obtained from satallite images?

Accepted Answer

Overview of cloud covers and front lines

Answer

Turbulence and icing

Answer

Temperature and dew point of environmental air

Answer

Flight visibility, ground visibility, and ground contact

Question 48

What pressure pattern can be observed when a cold front is passing?

Accepted Answer

Shortly decreasing, thereafter increasing pressure

Answer

Continually increasing pressure

Answer

Continually decreasing pressure

Answer

Constant pressure pattern

Question 49

What is meant by "isothermal layer"?

Accepted Answer

An atmospheric layer with constant temperature with increasing height

Answer

An atmospheric layer where temperature decreases with increasing height

Answer

A boundary area between two other layers within the atmosphere

Answer

An atmospheric layer where temperature increases with increasing height

Question 50

Under which conditions "back side weather" ("Rückseitenwetter") can be expected?

Accepted Answer

After passing of a cold front

Answer

Before passing of an occlusion

Answer

During Foehn at the lee side

Answer

After passing of a warm front

Question 51

The term "trigger temperature" is defined as the temperature which...

Accepted Answer

Must be obtained at ground level so Cumulus clouds can be formed by thermal lifts.

Answer

Is reached by a thermal lift during ascend when formation of Cumulus clouds begins.

Answer

Is the maximum temperature at ground level that can be reached without formation of a thunderstorm from a Cumulus cloud.

Answer

Is the minimum temperature at ground level that has to be reached so formation of a thunderstorm from a Cumulus cloud can occur.

Question 52

Which process may result in an inversion layer at about 5000 ft (1500 m) height?

Accepted Answer

Widespread descending air within a high pressure area

Answer

Ground cooling by radiation during the night

Answer

Intensive sunlight insolation during a warm summer day

Answer

Advection of cool air in the upper troposphere

Question 53

What is meant by "inversion layer"?

Accepted Answer

An atmospheric layer where temperature increases with increasing height

Answer

An atmospheric layer where temperature decreases with increasing height

Answer

An atmospheric layer with constant temperature with increasing height

Answer

A boundary area between two other layers within the atmosphere

Question 54

What information can be found in the ATIS, but not in a METAR?

Accepted Answer

Operational information such as runway in use and transition level

Answer

Information about current weather, for example types of precipitation

Answer

Approach information, such as ground visibility and cloud base

Answer

Information about mean wind speeds, maximum speeds in gusts if applicable

Question 55

What factor may affect the top of cumulus clouds?

Accepted Answer

The presence of an inversion layer

Answer

The spread

Answer

Relative humidity

Answer

The absolute humidity

Question 56

What type of turbulence is typically found close to the ground on the lee side during Foehn conditions?

Accepted Answer

Turbulence in rotors

Answer

Clear-air turbulence (CAT)

Answer

Inversion turbulence

Answer

Thermal turbulence

Question 57

The movement of air flowing together is called...

Accepted Answer

Convergence.

Answer

Subsidence.

Answer

Soncordence

Answer

Divergence.

Question 58

What information is NOT found on Low-Level Significant Weather Charts (LLSWC)?

Accepted Answer

Radar echos of precipitation

Answer

Information about icing conditions

Answer

Front lines and frontal displacements

Answer

Information about turbulence areas

Question 59

The barometric altimeter indicates height above...

Accepted Answer

A selected reference pressure level.

Answer

Mean sea level.

Answer

Ground.

Answer

Standard pressure 1013.25 hPa.

Question 60

Measured pressure distribution in MSL and corresponding frontal systems are displayed by the...

Accepted Answer

Surface weather chart.

Answer

Hypsometric chart

Answer

Prognostic chart.

Answer

Significant Weather Chart (SWC).

Question 61

With regard to thunderstorms, strong up- and downdrafts appear during the...

Accepted Answer

Mature stage.

Answer

Dissipating stage.

Answer

Initial stage.

Answer

Thunderstorm stage.

Question 62

How does air temperatur change in ISA from MSL to approx. 10.000 m height?

Accepted Answer

From +15° to -50°C

Answer

From +30° to -40°C

Answer

From +20° to -40°C

Answer

From -15° to 50°C

Question 63

What weather conditions may be expected during conditionally unstable conditions?

Accepted Answer

Towering cumulus, isolated showers of rain or thunderstorms

Answer

Layered clouds up to high levels, prolonged rain or snow

Answer

Sky clear of clouds, sunshine, low winds

Answer

Shallow cumulus clouds with base at medium levels

Question 64

What weather conditions can be expected in high pressure areas during summer?

Accepted Answer

Calm weather and cloud dissipation, few high Cu

Answer

Changing weather with passing of frontal lines

Answer

Squall lines and thunderstorms

Answer

Calm winds and widespread areas with high fog

Exam simulation Meteorology SPL - Sailplane Pilot License

Exam simulation SPL Meteorology 120 questions on 120 minutes