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

Question 1

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 2

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 3

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 4

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

Accepted Answer

ATIS.

Answer

VOLMET

Answer

SIGMET.

Answer

PIREP.

Question 5

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 6

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 7

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 8

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 9

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

Accepted Answer

By alignment and distance of isobaric lines

Answer

By annotations from the text part of the chart

Answer

By alignment of lines of warm- and cold fronts

Answer

By alignment and distance of hypsometric lines

Question 10

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 11

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

Question 12

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 13

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 14

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 15

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 16

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

Accepted Answer

Region of origin and track during movement

Answer

Environmental lapse rate at origin

Answer

Temperatures at origin and present region

Answer

Wind speed and tropopause height

Question 17

What clouds and weather may result from an humid and instable air mass, that is pushed against a chain of mountains by the predominant wind and forced to rise?

Accepted Answer

Embedded CB with thunderstorms and showers of hail and/or rain.

Answer

Thin Altostratus and Cirrostratus clouds with light and steady precipitation.

Answer

Overcast low stratus (high fog) with no precipitation.

Answer

Smooth, unstructured NS cloud with light drizzle or snow (during winter)

Question 18

The movement of air flowing apart is called...

Accepted Answer

Divergence.

Answer

Subsidence.

Answer

Concordence.

Answer

Convergence.

Question 19

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 20

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 21

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

Accepted Answer

Troposphere

Answer

Tropopause

Answer

Stratosphere

Answer

Thermosphere

Question 22

What conditions are favourable for the formation of thunderstorms?

Accepted Answer

Warm humid air, conditionally unstable environmental lapse rate

Answer

Warm and dry air, strong inversion layer

Answer

Clear night over land, cold air and patches of fog

Answer

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

Question 23

SIGMET warnings are issued for...

Accepted Answer

FIRs / UIRs.

Answer

Specific routings.

Answer

Countries.

Answer

Airports.

Question 24

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

Accepted Answer

Dew point remains constant, relative humidity increases

Answer

Dew point decreases, relative humidity increases

Answer

Dew point increases, relative humidity decreases

Answer

Dew point remains constant, relative humidity decreases

Question 25

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 26

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

Accepted Answer

36000 ft.

Answer

48000 ft.

Answer

5500 ft.

Answer

11000 ft.

Question 27

What cloud type does the picture show? See figure (MET-004). Siehe Anlage 3

Accepted Answer

Cirrus

Answer

Stratus

Answer

Altocumulus

Answer

Cumulus

Question 28

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 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

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

Convergence resulting in sinking air

Answer

Divergence resulting in sinking air

Question 31

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 32

Winds blowing uphill are defined as...

Accepted Answer

Anabatic winds.

Answer

Subsident winds.

Answer

Katabatic winds.

Answer

Convergent winds.

Question 33

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 34

The movement of air flowing together is called...

Accepted Answer

Convergence.

Answer

Subsidence.

Answer

Divergence.

Answer

Soncordence.

Question 35

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 36

What wind is reportet as 225/15 ?

Accepted Answer

South-west wind with 15 kt

Answer

South-west wind with 15 km/h

Answer

North-east wind with 15 kt

Answer

North-east wind with 15 km/h

Question 37

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 38

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

Heavy downdrafts within rainfall areas below thunderstorm clouds

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

Question 39

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 40

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 41

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 42

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 43

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

Accepted Answer

Cumulus

Answer

Altus

Answer

Stratus

Answer

Cirrus

Question 44

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

Evaporation from warm, moist ground area into very cold air

Answer

Prolonged radiation during nights clear of clouds

Answer

Cold, moist air mixes with warm, moist air

Question 45

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 46

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 47

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

Large isobar spacing with strong prevailing westerly winds

Answer

Small isobar spacing with strong prevailing northerly winds

Answer

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

Question 48

"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 49

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 50

Which force causes "wind"?

Accepted Answer

Pressure gradient force

Answer

Thermal force

Answer

Coriolis force

Answer

Centrifugal force

Question 51

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

Accepted Answer

Variable winds, formation of local wind systems

Answer

Strong prevailing easterly winds with rapid backing

Answer

Formation of local wind systems with strong prevailing westerly winds

Answer

Strong prevailing westerly winds with rapid veering

Question 52

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 53

What danger arises for a helicopter during flight through a ground inversion in winter?

Accepted Answer

Ice formation below the inversion

Answer

Cloud formation above the inversion

Answer

Baffling wind conditions

Answer

Electrostatic charges

Question 54

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

Accepted Answer

Parallel to the isobars.

Answer

Perpendicular to the isobars.

Answer

Perpendicular to the isohypses.

Answer

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

Question 55

What visual flight conditions can be expected within the warm sector of a polar front low during summer time?

Accepted Answer

Moderate to good visibility, scattered clouds

Answer

Visibilty less than 1000 m, cloud-covered ground

Answer

Moderate visibility, heavy showers and thunderstorms

Answer

Good visibility, some isolated high clouds

Question 56

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 57

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 58

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

Accepted Answer

Calm weather and cloud dissipation, few high Cu

Answer

Squall lines and thunderstorms

Answer

Changing weather with passing of frontal lines

Answer

Calm winds and widespread areas with high fog

Question 59

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 60

What temperatures are most dangerous with respect to airframe icing?

Accepted Answer

0° to -12° C

Answer

.+20° to -5° C

Answer

.+5° to -10° C

Answer

.-20° to -40° C

Question 61

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

Accepted Answer

Warm front.

Answer

Occlusion.

Answer

Front aloft.

Answer

Cold front.

Question 62

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

Accepted Answer

Decreasing spread and increasing relative humidity.

Answer

Increasing spread and decreasing relative humidity.

Answer

Increasing spread and increasing relative humidity.

Answer

Decreasing spread and decreasing relative humidity.

Question 63

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 64

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.

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