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

Question 1

What is the gas composition of "air"?

Accepted Answer

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

Answer

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

Answer

Oxygen 78 % Water vapour 21 % Nitrogen 1 %

Answer

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

Question 2

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

Equatorial and tropical warm air

Answer

Tropical and arctic cold air

Question 3

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 strong prevailling wind

Answer

Strong pressure gradients resulting in low prevailling wind

Answer

Low pressure gradients resulting in strong prevailling wind

Question 4

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

Accepted Answer

Parallel to the isobars.

Answer

Perpendicular to the isohypses

Answer

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

Answer

Perpendicular to the isobars.

Question 5

Which type of cloud is associated with prolonged rain?

Accepted Answer

Nimbostratus

Answer

Cumulonimbus

Answer

Cirrostratus

Answer

Altocumulus

Question 6

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 7

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

Accepted Answer

Turbulence in rotors

Answer

Inversion turbulence

Answer

Clear-air turbulence (CAT)

Answer

Thermal turbulence

Question 8

Which force causes "wind"?

Accepted Answer

Pressure gradient force

Answer

Centrifugal force

Answer

Thermal force

Answer

Coriolis force

Question 9

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 10

The symbol labeled (3) as shown in the picture is a / an... See figure (MET-005) (1,00 P.) Siehe Anlage 4

Accepted Answer

Occlusion

Answer

Front aloft.

Answer

Warm front.

Answer

Cold front.

Question 11

Clouds in high layers are referred to as...

Accepted Answer

Cirro-

Answer

Nimbo-.

Answer

Strato-.

Answer

Alto-

Question 12

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 13

What is referred to as mountain wind?

Accepted Answer

Wind blowing down the mountain side during the night

Answer

Wind blowing uphill from the valley during daytime

Answer

Wind blowing uphill from the valley during the night

Answer

Wind blowing down the mountain side during daytime.

Question 14

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

Accepted Answer

Surface weather chart

Answer

Hypsometric chart

Answer

Prognostic chart

Answer

Wind chart

Question 15

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 16

Weather and operational information about the destination aerodrome can be obtained during the flight by...

Accepted Answer

ATIS

Answer

VOLMET

Answer

PIREP

Answer

SIGMET

Question 17

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 18

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 19

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

Accepted Answer

Mountainous areas, vegetation cover

Answer

Flat land, deserted land, no vegetation

Answer

Oceanic areas

Answer

Flat land, lots of vegetation cover

Question 20

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 21

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 22

What temperatures are most dangerous with respect to airframe icing?

Accepted Answer

0° to -12° C

Answer

=+5° to -10° C

Answer

-20° to -40° C

Answer

=+20° to -5° C

Question 23

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 24

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

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

Question 25

What factors may indicate a tendency to fog formation?

Accepted Answer

Low spread, decreasing temperature

Answer

Low pressure, increasing temperature

Answer

Low spread, increasing temperature

Answer

Strong winds, decreasing temperature

Question 26

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

Accepted Answer

Shortly decreasing, thereafter increasing pressure

Answer

Continually decreasing pressure

Answer

Continually increasing pressure

Answer

Constant pressure pattern

Question 27

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 28

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

Accepted Answer

+RA

Answer

RA

Answer

+SHRA

Answer

SHRA

Question 29

The movement of air flowing together is called...

Accepted Answer

Convergence

Answer

Divergence

Answer

Soncordence

Answer

Subsidence

Question 30

The barometric altimeter with QNH setting indicates...

Accepted Answer

Height above MSL.

Answer

Height above standard pressure 1013.25 hPa

Answer

Height above the pressure level at airfield elevation

Answer

True altitude above MSL.

Question 31

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

Accepted Answer

Katabatic wind

Answer

Convergent wind.

Answer

Anabatic wind.

Answer

Divergent wind.

Question 32

How can wind speed and wind direction be derived from surface weather charts?

Accepted Answer

By alignment and distance of isobaric lines

Answer

By alignment and distance of hypsometric lines

Answer

By alignment of lines of warm- and cold fronts.

Answer

By annotations from the text part of the chart

Question 33

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 34

Which stage of a thunderstorm is dominated by updrafts?

Accepted Answer

Cumulus stage

Answer

Dissipating stage

Answer

Upwind stage

Answer

Mature stage

Question 35

What wind conditions can be expected in areas showing large distances between isobars?

Accepted Answer

Variable winds, formation of local wind systems

Answer

Formation of local wind systems with strong prevailing westerly winds

Answer

Strong prevailing easterly winds with rapid backing

Answer

Strong prevailing westerly winds with rapid veering

Question 36

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 37

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

Accepted Answer

Cumulus

Answer

Stratus

Answer

Altus

Answer

Cirrus

Question 38

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 39

What chart shows areas of precipitation?

Accepted Answer

Radar picture

Answer

GAFOR

Answer

Wind chart

Answer

Satellite picture

Question 40

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 41

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

Accepted Answer

Vertical development of Cumulus clouds to rain showers

Answer

Widespreading of Cumulus clouds below an inversion layer

Answer

Change from blue thermals to cloudy thermals during the afternoon

Answer

Development of a thermal low to a storm depression

Question 42

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 43

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

Accepted Answer

Mature stage

Answer

Initial stage.

Answer

Dissipating stage

Answer

Thunderstorm stage.

Question 44

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 45

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 46

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 47

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

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

Answer

Medium visibility with lowering cloud bases, onset of prolonged precipitation

Answer

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

Question 48

What factor may affect the top of cumulus clouds?

Accepted Answer

The presence of an inversion layer

Answer

Relative humidity

Answer

The spread

Answer

The absolute humidity

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

Weather phenomena are most common to be found in which atmospheric layer?

Accepted Answer

Troposphere

Answer

Stratosphere

Answer

Tropopause

Answer

Thermosphere

Question 51

What danger is most immenent when an aircraft is hit by lightning?

Accepted Answer

Surface overheat and damage to exposed aircraft parts

Answer

Rapid cabin depressurization and smoke in the cabin

Answer

Explosion of electrical equipment in the cockpit

Answer

Disturbed radio communication, static noise signals

Question 52

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 53

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 54

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 55

What information can be obtained from satallite images?

Accepted Answer

Overview of cloud covers and front lines

Answer

Temperature and dew point of environmental air

Answer

Turbulence and icing

Answer

Flight visibility, ground visibility, and ground contact

Question 56

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 57

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 58

What is the name of the the cold, katabatic wind phenomena blowing from northeast into the Adriatic Sea?

Accepted Answer

Bora

Answer

Scirocco

Answer

Mistral

Answer

Passat

Question 59

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 60

"Foehn" conditions usually develop with...

Accepted Answer

Stability, widespread air blown against a mountain ridge.

Answer

Instability, widespread air blown against a mountain ridge.

Answer

Instability, high pressure area with calm wind.

Answer

Stability, high pressure area with calm wind.

Question 61

Winds blowing uphill are defined as...

Accepted Answer

Anabatic winds

Answer

Katabatic winds.

Answer

Convergent winds

Answer

Subsident winds.

Question 62

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 63

What weather is likely to be experienced during "Foehn" in the Bavarian area close to the alps?

Accepted Answer

Nimbostratus cloud in the southern alps, rotor clouds at the lee side, warm and dry wind

Answer

High pressure area overhead Biskaya and low pressure area in Eastern Europe

Answer

Cold, humid downhill wind on the lee side of the alps, flat pressure pattern

Answer

Nimbostratus cloud in the northern alps, rotor clouds at the windward side, warm and dry wind

Question 64

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

Accepted Answer

Decreasing spread and increasing relative humidity.

Answer

Decreasing spread and decreasing relative humidity.

Answer

Increasing spread and decreasing relative humidity.

Answer

Increasing spread and increasing relative humidity.

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

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