Exam quiz Meteorology - PPL(H) - Private Pilot License

Question 1

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

Answer

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

Question 2

The formation of medium to large precipitation particles requires...

Accepted Answer

Strong updrafts.

Answer

Strong wind

Answer

A high cloud base.

Answer

An inversion layer.

Question 3

What factors may indicate a tendency to fog formation?

Accepted Answer

Low spread, decreasing temperature

Answer

Low spread, increasing temperature

Answer

Low pressure, increasing temperature

Answer

Strong winds, decreasing temperature

Question 4

What is referred to as mountain wind?

Accepted Answer

Wind blowing down the mountain side during the night

Answer

Wind blowing down the mountain side during daytime.

Answer

Wind blowing uphill from the valley during daytime.

Answer

Wind blowing uphill from the valley during the night.

Question 5

What clouds and weather can typically be observed during the passage of a cold front?

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 6

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

Altocumulus Castellanus

Answer

Nimbostratus

Question 7

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 8

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

Accepted Answer

Cumulus

Answer

Altus

Answer

Stratus

Answer

Cirrus

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

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 11

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

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

Answer

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

Answer

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

Question 12

Which stage of a thunderstorm is dominated by updrafts?

Accepted Answer

Cumulus stage

Answer

Mature stage

Answer

Upwind stage

Answer

Dissipating stage

Question 13

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 14

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 15

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

Accepted Answer

After passing of a cold front

Answer

After passing of a warm front

Answer

During Foehn at the lee side

Answer

Before passing of an occlusion

Question 16

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

Difference between dew point and condensation point

Answer

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

Question 17

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

Accepted Answer

.+RA.

Answer

RA

Answer

SHRA.

Answer

.+SHRA.

Question 18

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

Accepted Answer

Polar front

Answer

Occlusion

Answer

Warm front

Answer

Cold front

Question 19

Mountain side updrafts can be intensified by ...

Accepted Answer

Solar irradiation on the windward side

Answer

By warming of upper atmospheric layers

Answer

Thermal radiation of the windward side during the night

Answer

Solar irradiation on the lee side

Question 20

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 21

The barometric altimeter with QFE setting indicates...

Accepted Answer

Height above the pressure level at airfield elevation.

Answer

Height above standard pressure 1013.25 hPa.

Answer

True altitude above MSL.

Answer

Height above MSL.

Question 22

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

Front aloft.

Answer

Warm front.

Question 23

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

To the northwest during winter, to the southwest during summer

Answer

Parallel to the warm front line to the south

Question 24

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

0,6° C / 100 m.

Answer

1° C / 100 m.

Question 25

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 26

What condition may prevent the formation of "radiation fog"?

Accepted Answer

Overcast cloud cover

Answer

Low spread

Answer

Calm wind

Answer

Clear night, no clouds

Question 27

How do spread and relative humidity change with increasing temperature?

Accepted Answer

Spread increases, relative humidity decreases

Answer

Spread remains constant, relative humidity increases

Answer

Spread increases, relative humidity increases

Answer

Spread remains constant, relative humidity decreases

Question 28

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

Accepted Answer

Cold front.

Answer

Warm front.

Answer

Occlusion.

Answer

Front aloft.

Question 29

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

Formation of high stratus clouds, ground-covering cloud bases

Answer

Calm weather, formation of lifted fog layers

Question 30

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

Accepted Answer

11000 m

Answer

11000 ft

Answer

36000 m

Answer

18000 ft

Question 31

How is an air mass described when moving to Central Europe via the Russian continent during winter?

Accepted Answer

Continental polar air

Answer

Maritime polar air

Answer

Continental tropical air

Answer

Maritime tropical air

Question 32

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 33

What is meant by "inversion layer"?

Accepted Answer

An atmospheric layer where temperature increases with increasing height

Answer

An atmospheric layer with constant temperature with increasing height

Answer

A boundary area between two other layers within the atmosphere

Answer

An atmospheric layer where temperature decreases with increasing height

Question 34

A boundary between a cold polar air mass and a warm subtropical air mass showing no horizontal displacement is called...

Accepted Answer

Stationary front.

Answer

Warm front

Answer

Occluded front.

Answer

Cold front.

Question 35

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 36

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

Accepted Answer

Turbulence in rotors

Answer

Thermal turbulence

Answer

Clear-air turbulence (CAT)

Answer

Inversion turbulence

Question 37

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

Calm weather and cloud dissipation, few high Cu

Answer

Squall lines and thunderstorms

Question 38

The movement of air flowing apart is called...

Accepted Answer

Divergence.

Answer

Subsidence.

Answer

Concordence.

Answer

Convergence.

Question 39

Heavy downdrafts and strong wind shear close to the ground can be expected...

Accepted Answer

Near the rainfall areas of heavy showers or thunderstorms

Answer

During approach to an airfield at the coast with a strong sea breeze.

Answer

During warm summer days with high, flatted Cu clouds.

Answer

During cold, clear nights with the formation of radiation fog.

Question 40

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

12,25 kg

Answer

0,1225 kg

Answer

0,01225 kg

Question 41

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 geographic poles

Answer

At the subtropical high pressure belt

Answer

At the equator

Question 42

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 43

Winds blowing uphill are defined as...

Accepted Answer

Anabatic winds.

Answer

Subsident winds.

Answer

Katabatic winds.

Answer

Convergent winds.

Question 44

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 45

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

Accepted Answer

Scattered Cu clouds

Answer

Overcast low stratus

Answer

Squall lines and thunderstorms

Answer

Overcast Ns clouds

Question 46

Winds blowing downhill are defined as...

Accepted Answer

Katabatic winds.

Answer

Subsident winds.

Answer

Anabatic winds.

Answer

Convergent winds.

Question 47

What is the ISA standard pressure at FL 180 (5500 m)?

Accepted Answer

500 hPa

Answer

250 hPa

Answer

300 hPa

Answer

1013.25 hPa

Question 48

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 49

Which type of ice forms by large, supercooled droplets hitting the front surfaces of an aircraft?

Accepted Answer

Clear ice

Answer

Rime ice

Answer

Hoar frost

Answer

Mixed ice

Question 50

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

Intensive sunlight insolation during a warm summer day

Answer

Ground cooling by radiation during the night

Answer

Advection of cool air in the upper troposphere

Question 51

What change of wind direction can be expected during the passage of a polar front low in Central Europe?

Accepted Answer

Veering wind during passage of the warm front, veering wind during passage of the cold front

Answer

Backing wind during passage of the warm front, veering wind during passage of the cold front

Answer

Veering wind during passage of the warm front, backing wind during passage of the cold front

Answer

Backing wind during passage of the warm front, backing wind during passage of the cold front

Question 52

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 tropical areas, close to the equator.

Answer

In mid latitudes along the polar front

Question 53

The movement of air flowing together is called...

Accepted Answer

Convergence.

Answer

Subsidence.

Answer

Divergence.

Answer

Soncordence.

Question 54

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

Accepted Answer

Troposphere

Answer

Tropopause

Answer

Stratosphere

Answer

Thermosphere

Question 55

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

Accepted Answer

0,6° C / 100 m.

Answer

2° C / 1000 ft.

Answer

1,0° C / 100 m.

Answer

0° C / 100 m.

Question 56

What process causes latent heat being released into the upper troposphere?

Accepted Answer

Cloud forming due to condensation

Answer

Stabilisation of inflowing air masses

Answer

Descending air across widespread areas

Answer

Evaporation over widespread water areas

Question 57

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 58

What factor may affect the top of cumulus clouds?

Accepted Answer

The presence of an inversion layer

Answer

Relative humidity

Answer

The absolute humidity

Answer

The spread

Question 59

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

Accepted Answer

Haze (HZ)

Answer

Patches of fog (BCFG)

Answer

Mist (BR)

Answer

Radiation fog (FG)

Question 60

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

Accepted Answer

Liquid, solid, and gaseous

Answer

Liquid

Answer

Liquid and solid

Answer

Gaseous and liquid

Question 61

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 62

How does inflowing cold air affect the shape and vertical distance between pressure layers?

Accepted Answer

Decrease in vertical distance, lowering in height (low pressure)

Answer

Increase in vertical distance, lowering in height (low pressure)

Answer

Decreasing vertical distance, raise in height (high pressure)

Answer

Increasing vertical distance, raise in height (high pressure)

Question 63

What weather development will result from convergence at ground level?

Accepted Answer

Ascending air and cloud formation

Answer

Ascending air and cloud dissipation

Answer

Descending air and cloud dissipation

Answer

Descending air and cloud formation

Question 64

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

Accepted Answer

Vertical development of Cumulus clouds to rain showers

Answer

Development of a thermal low to a storm depression

Answer

Widespreading of Cumulus clouds below an inversion layer

Answer

Change from blue thermals to cloudy thermals during the afternoon

Exam simulation Meteorology PPL(H) - Private Pilot License

Exam simulation PPL(H) EN Meteorology 120 questions on 120 minutes