Exam quiz Meteorology - EASA PPL(A) - Private Pilot License

Question 1

What wind is reportet as 225/15 ?

Accepted Answer

South-west wind with 15 kt

Answer

North-east wind with 15 kt

Answer

South-west wind with 15 km/h

Answer

North-east wind with 15 km/h

Question 2

Temperatures will be given by meteorological aviation services in Europe in which unit?

Accepted Answer

Degrees Centigrade (° C)

Answer

Kelvin

Answer

Gpdam

Answer

Degrees Fahrenheit

Question 3

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

Accepted Answer

Parallel to the the warm-sector isobars

Answer

To the northwest during winter, to the southwest during summer

Answer

To the northeast during winter, to the southeast during summer

Answer

Parallel to the warm front line to the south

Question 4

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

A boundary area between two other layers within the atmosphere

Answer

An atmospheric layer with constant temperature with increasing height

Question 5

What process results in the formation of "orographic fog" ("hill fog")?

Accepted Answer

Warm, moist air is moved across a hill or a mountain range

Answer

Prolonged radiation during nights clear of clouds

Answer

Cold, moist air mixes with warm, moist air

Answer

Evaporation from warm, moist ground area into very cold air

Question 6

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

Accepted Answer

+RA

Answer

RA

Answer

+SHRA

Answer

SHRA

Question 7

SIGMET warnings are issued for...

Accepted Answer

FIRs / UIRs

Answer

Specific routings.

Answer

Airports

Answer

Countries

Question 8

Air descending behind a mountain range is defined as...

Accepted Answer

Katabatic wind

Answer

Convergent wind.

Answer

Anabatic wind.

Answer

Divergent wind.

Question 9

The saturated adiabatic lapse rate is...

Accepted Answer

Lower than the dry adiabatic lapse rate

Answer

Proportional to the dry adiabatic lapse rate

Answer

Higher than the dry adiabatic lapse rate.

Answer

Equal to the dry adiabatic lapse rate.

Question 10

Which conditions are likely for the formation of advection fog?

Accepted Answer

Warm, humid air moves over a cold surface

Answer

Cold, humid air moves over a warm ocean

Answer

Warm, humid air cools during a cloudy night

Answer

Humidity evaporates from warm, humid ground into cold air

Question 11

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

Accepted Answer

Region of origin and track during movement

Answer

Temperatures at origin and present region

Answer

Wind speed and tropopause height

Answer

Environmental lapse rate at origin

Question 12

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

Accepted Answer

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

Answer

In areeas showing extensive lifting processes

Answer

In mid latitudes along the polar front

Answer

In tropical areas, close to the equator

Question 13

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

Accepted Answer

From +15° to -50°C

Answer

From +20° to -40°C

Answer

From +30° to -40°C

Answer

From -15° to 50°C

Question 14

The symbol labeled (1) as shown in the picture is a / an... See figure (MET-005) (1,00 P.) Siehe Anlage 4

Accepted Answer

Cold front.

Answer

Front aloft.

Answer

Occlusion

Answer

Warm front

Question 15

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 16

What cloud sequence can typically be observed during the passage of a warm front?

Accepted Answer

Cirrus, thickening altostratus and altocumulus clouds, lowering cloud base with rain, nimbostratus

Answer

In coastal areas during daytime wind from the coast and forming of cumulus clouds, dissipation of clouds during evening and night

Answer

Wind becoming calm, dissipation of clouds and warming during summer; formation of extended high fog layers during winter

Answer

Squall line with showers of rain and thunderstorms (Cb), gusting wind followed by cumulus clouds with isolated showers of rain

Question 17

The pressure which is measured at a ground station and reduced to mean sea level (MSL) by means of the actual atmospheric conditions is called...

Accepted Answer

QFF

Answer

QNH

Answer

QNE

Answer

QFE

Question 18

How do dew point and relative humidity change with decreasing temperature?

Accepted Answer

Dew point remains constant, relative humidity increases

Answer

Dew point remains constant, relative humidity decreases

Answer

Dew point decreases, relative humidity increases

Answer

Dew point increases, relative humidity decreases

Question 19

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

Accepted Answer

Radar echos of precipitation

Answer

Information about icing conditions

Answer

Information about turbulence areas

Answer

Front lines and frontal displacements

Question 20

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 21

What weather phenomena have to be expected around an upper-level trough?

Accepted Answer

Development of showers and thunderstorms (Cb)

Answer

Calm wind, forming of shallow cumulus clouds

Answer

Calm weather, formation of lifted fog layers

Answer

Formation of high stratus clouds, ground-covering cloud bases

Question 22

What factors are required for the formation of precipitation in clouds?

Accepted Answer

Moderate to strong updrafts

Answer

High humidity and high temperatures

Answer

The presence of an inversion layer

Answer

Calm winds and intensive sunlight insolation

Question 23

What chart shows areas of precipitation?

Accepted Answer

Radar picture

Answer

GAFOR

Answer

Wind chart

Answer

Satellite picture

Question 24

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

Accepted Answer

Showers and thunderstorms.

Answer

Stabilisation and calm weather

Answer

Frontal weather.

Answer

Calm weather and cloud dissipation.

Question 25

What conditions are mandatory for the formation of thermal thunderstorms?

Accepted Answer

Conditionally unstable atmosphere, high temperature and high humidit

Answer

Conditionally unstable atmosphere, low temperature and low humidity

Answer

Absolutely stable atmosphere, high temperature and high humidity

Answer

Absolutely stable atmosphere, high temperature and low humidity

Question 26

What cloud type does the picture show? See figure (MET-002). Siehe Anlage 2

Accepted Answer

Cumulus

Answer

Stratus

Answer

Altus

Answer

Cirrus

Question 27

Which answer contains every state of water found in the atmosphere?

Accepted Answer

Liquid, solid, and gaseous

Answer

Liquid and solid

Answer

Gaseous and liquid

Answer

Liquid

Question 28

The symbol labeled (2) as shown in the picture is a / an... See figure (MET-005) (1,00 P.) Siehe Anlage 4

Accepted Answer

Warm front.

Answer

Front aloft

Answer

Cold front

Answer

Occlusion.

Question 29

What cloud type can typically be observed across widespread high pressure areas during summer?

Accepted Answer

Scattered Cu clouds

Answer

Overcast low stratus

Answer

Overcast Ns clouds

Answer

Squall lines and thunderstorms

Question 30

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

Scattered cumulus clouds with showers and thunderstorms

Answer

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

Question 31

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

Convergence resulting in sinking air

Answer

Divergence resulting in sinking air

Answer

Divergence resulting in air being lifted

Question 32

Which of the stated wind phenomena will increase in speed since its path is narrowed by mountains?

Accepted Answer

Mistral

Answer

Bora

Answer

Scirocco

Answer

Passat

Question 33

What weather development will result from convergence at ground level?

Accepted Answer

Ascending air and cloud formation

Answer

Descending air and cloud formation

Answer

Ascending air and cloud dissipation

Answer

Descending air and cloud dissipation

Question 34

Which of the following conditions are most favourable for ice accretion?

Accepted Answer

Temperatures between 0° C and -12° C, presence of supercooled water droplets (clouds)

Answer

Temperaturs below 0° C, strong wind, sky clear of clouds

Answer

Temperatures between +10° C and -30° C, presence of hail (clouds)

Answer

Temperatures between -20° C and -40° C, presence of ice crystals (Ci clouds)

Question 35

An inversion layer close to the ground can be caused by...

Accepted Answer

Ground cooling during the night.

Answer

Large-scale lifting of air.

Answer

Intensifying and gusting winds

Answer

Thickening of clouds in medium layers.

Question 36

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

Accepted Answer

36000 ft.

Answer

5500 ft.

Answer

11000 ft.

Answer

48000 ft.

Question 37

The movement of air flowing together is called...

Accepted Answer

Convergence

Answer

Divergence

Answer

Soncordence

Answer

Subsidence

Question 38

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 39

Given the following information, what is the true altitude? (rounded to the nearest 50 ft) QNH: 983 hPa Altitude: FL 85 Outside Air Temperature: ISA - 10°

Accepted Answer

7300 ft

Answer

7900 ft

Answer

9400 ft

Answer

7600 ft

Question 40

What is the mean height of the tropopause according to ISA (ICAO Standard Atmosphere)?

Accepted Answer

11000 m

Answer

18000 ft

Answer

11000 ft

Answer

36000 m

Question 41

The altimeter can be checked on the ground by setting...

Accepted Answer

QNH and comparing the indication with the airfield elevation.

Answer

QFE and comparing the indication with the airfield elevation.

Answer

QNE and checking that the indication shows zero on the ground.

Answer

QFF and comparing the indication with the airfield elevation.

Question 42

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

Question 43

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

Accepted Answer

0,65° C / 100 m

Answer

3° C / 100 m.

Answer

1° C / 100 m

Answer

0,6° C / 100 m.

Question 44

What conditions are favourable for the formation of thunderstorms?

Accepted Answer

Warm humid air, conditionally unstable environmental lapse rate

Answer

Calm winds and cold air, overcast cloud cover with St or As

Answer

Clear night over land, cold air and patches of fog

Answer

Warm and dry air, strong inversion layer

Question 45

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

Accepted Answer

Surface weather chart.

Answer

Wind chart.

Answer

Significant Weather Chart (SWC).

Answer

Hypsometric chart.

Question 46

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

Accepted Answer

Surface weather chart.

Answer

Prognostic chart.

Answer

Significant Weather Chart (SWC)

Answer

Hypsometric chart.

Question 47

Which type of ice forms by very small water droplets and ice crystals hitting the front surfaces of an aircraft?

Accepted Answer

Rime ice

Answer

Clear ice

Answer

Mixed ice

Answer

Hoar frost

Question 48

Clouds are basically distinguished by what types?

Accepted Answer

Cumulus and stratiform clouds

Answer

Stratiform and ice clouds

Answer

Layered and lifted clouds

Answer

Thunderstorm and shower clouds

Question 49

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 geographic poles

Answer

At the subtropical high pressure belt

Question 50

What type of fog emerges if humid and almost saturated air, is forced to rise upslope of hills or shallow mountains by the prevailling wind?

Accepted Answer

Orographic fog

Answer

Steaming fog

Answer

Radiation fog

Answer

Advection fog

Question 51

The pressure at MSL in ISA conditions is...

Accepted Answer

1013.25 hPa

Answer

113.25 hPa.

Answer

15 hPa.

Answer

1123 hPa.

Question 52

Moderate to severe turbulence has to be expected...

Accepted Answer

On the lee side of a mountain range when rotor clouds are present.

Answer

With the appearance of extended low stratus clouds (high fog)

Answer

Overhead unbroken cloud layers.

Answer

Below thick cloud layers on the windward side of a mountain range

Question 53

The "spread" is defined as...

Accepted Answer

Difference between actual temperature and dew point.

Answer

Relation of actual to maximum possible humidity of air.

Answer

Maximum amount of water vapour that can be contained in air.

Answer

Difference between dew point and condensation point.

Question 54

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

0° C / 100 m

Answer

2° C / 1000 ft.

Question 55

What danger is most imminent during an approach to an airfield situated in a valley, with strong wind aloft blowing perpendicular to the mountain ridge?

Accepted Answer

Wind shear during descent, wind direction may change by 180°

Answer

Reduced visibilty, maybe loss of sight to the airfield during final approach

Answer

Formation of medium to heavy clear ice on all aircraft surfaces

Answer

Heavy downdrafts within rainfall areas below thunderstorm clouds

Question 56

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 57

An inversion is a layer ...

Accepted Answer

With increasing temperature with increasing height.

Answer

With increasing pressure with increasing height.

Answer

With decreasing temperature with increasing height.

Answer

With constant temperature with increasing height.

Question 58

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

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

Answer

Approach information, such as ground visibility and cloud base

Question 59

Light turbulence always has to be expected...

Accepted Answer

Below cumulus clouds due to thermal convection

Answer

Above cumulus clouds due to thermal convection.

Answer

Below stratiform clouds in medium layers.

Answer

When entering inversions

Question 60

What is meant by "isothermal layer"?

Accepted Answer

An atmospheric layer with constant temperature with increasing height

Answer

An atmospheric layer where temperature increases with increasing height

Answer

An atmospheric layer where temperature decreases with increasing height

Answer

A boundary area between two other layers within the atmosphere

Question 61

Clouds in high layers are referred to as...

Accepted Answer

Cirro-

Answer

Nimbo-.

Answer

Strato-.

Answer

Alto-

Question 62

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

Altocumulus Castellanus

Answer

Nimbostratus

Answer

Cumulonimbus

Question 63

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

Accepted Answer

Formation of a low in the upper troposphere

Answer

Formation of a high in the upper troposphere

Answer

Formation of a large ground low

Answer

Alternating pressure

Question 64

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

Shallow cumulus clouds with base at medium levels

Answer

Sky clear of clouds, sunshine, low winds

Exam simulation Meteorology EASA PPL(A) - Private Pilot License

Exam simulation EASA PPL(A) EN Meteorology 120 questions on 120 minutes