Exam quiz Meteorology - PPL(H) - Private Pilot Licence (Helicopter)

Question 1

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 2

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 3

The movement of air flowing together is called...

Accepted Answer

Convergence.

Answer

Subsidence.

Answer

Divergence.

Answer

Confluence.

Question 4

What is the best planning conclusion for a small temperature-dew point spread in the evening?

Accepted Answer

consider the risk of mist or fog formation.

Answer

Continue without checking updated weather.

Answer

Assume VMC is guaranteed.

Answer

Use QFE instead of weather information.

Question 5

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

A boundary area between two other layers within the atmosphere

Answer

An atmospheric layer where temperature decreases with increasing height

Question 6

In METAR/TAF coding, what does +RA mean?

Accepted Answer

Heavy rain.

Answer

Freezing rain.

Answer

Clear sky below 5,000 ft.

Answer

Variable wind direction.

Question 7

Which force causes "wind"?

Accepted Answer

Pressure gradient force

Answer

Thermal force

Answer

Coriolis force

Answer

Centrifugal force

Question 8

QNH is 1018 hPa and QFE is 1003 hPa. What is the approximate aerodrome elevation using 27 ft per hPa?

Accepted Answer

About 400 ft

Answer

About 200 ft

Answer

About 650 ft

Answer

About 15 ft

Question 9

The barometric altimeter with QNH setting indicates...

Accepted Answer

Height above MSL.

Answer

True altitude above MSL.

Answer

Height above the pressure level at aerodrome elevation.

Answer

Height above standard pressure 1013.25 hPa.

Question 10

Which action best supports safe management of mountain wave?

Accepted Answer

Avoid hazardous areas and maintain escape options.

Answer

Delay the decision until after take-off.

Answer

Use the item only if requested by passengers.

Answer

Ignore it when the helicopter has sufficient fuel.

Question 11

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 12

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 13

Which action best supports safe management of reduced visibility?

Accepted Answer

Delay, divert or remain clear if below minima or personal limits.

Answer

Delay the decision until after take-off.

Answer

Use the item only if requested by passengers.

Answer

Ignore it when the helicopter has sufficient fuel.

Question 14

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

Accepted Answer

When a shower is visible close to the aerodrome

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 aerodrome

Question 15

Moderate to severe turbulence has to be expected...

Accepted Answer

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

Answer

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

Answer

Overhead unbroken cloud layers.

Answer

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

Question 16

Which statement about METAR is correct?

Accepted Answer

It is an aerodrome routine weather report.

Answer

It is a long-term climate forecast.

Answer

It is a maintenance release.

Answer

It is an aircraft registration document.

Question 17

What visual flight conditions can be expected after the passage of a cold front?

Accepted Answer

Good visibility, 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, visibility more than 5 km, formation of shallow cumulus clouds

Answer

Medium visibility with lowering cloud bases, onset of prolonged precipitation

Question 18

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

Accepted Answer

Surface weather chart

Answer

Hypsometric chart

Answer

Prognostic chart

Answer

Wind chart

Question 19

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

Accepted Answer

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

Answer

In areas showing extensive lifting processes.

Answer

In tropical areas, close to the equator.

Answer

In mid latitudes along the polar front

Question 20

Which statement about CAVOK is correct?

Accepted Answer

It indicates visibility, cloud and weather conditions meeting defined criteria.

Answer

It means the runway is closed.

Answer

It is a turbulence forecast.

Answer

It means QNH is standard.

Question 21

Regarding the type of cloud, precipitation is classified as...

Accepted Answer

Rain and showers of rain

Answer

Showers of snow and rain

Answer

Light and heavy precipitation

Answer

Prolonged rain and continuous rain

Question 22

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 23

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 24

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

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

Answer

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

Answer

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

Question 25

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 26

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 27

Which action best supports safe management of surface wind gusts?

Accepted Answer

Use gust information in performance and handling decisions.

Answer

Delay the decision until after take-off.

Answer

Use the item only if requested by passengers.

Answer

Ignore it when the helicopter has sufficient fuel.

Question 28

QNH is 1013 hPa and QFE is 1000 hPa. What is the approximate aerodrome elevation using 27 ft per hPa?

Accepted Answer

About 350 ft

Answer

About 150 ft

Answer

About 600 ft

Answer

About 13 ft

Question 29

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

Accepted Answer

Orographic fog

Answer

Steaming fog

Answer

Radiation fog

Answer

Advection fog

Question 30

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 31

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

Accepted Answer

Occlusion.

Answer

Cold front.

Answer

Front aloft.

Answer

Warm front.

Question 32

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 33

Which statement about high pressure is correct?

Accepted Answer

It is often associated with subsidence and more stable air.

Answer

It always produces thunderstorms.

Answer

It means pressure decreases towards the centre.

Answer

It is the same as a warm front.

Question 34

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

Visibility less than 1000 m, cloud-covered ground

Answer

Moderate visibility, heavy showers and thunderstorms

Answer

Good visibility, some isolated high clouds

Question 35

What danger is most imminent 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

Disturbed radio communication, static noise signals

Answer

Explosion of electrical equipment in the cockpit

Question 36

Which statement about orographic cloud is correct?

Accepted Answer

It forms when moist air is lifted over terrain.

Answer

It forms only over flat water.

Answer

It proves the wind is calm.

Answer

It is unrelated to terrain.

Question 37

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 38

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 39

Why is temperature-dew point spread important for a PPL(H) flight?

Accepted Answer

It indicates the likelihood of saturation, mist or fog.

Answer

It is relevant only to airline transport operations.

Answer

It can be ignored when the flight remains local.

Answer

It is replaced by passenger preference.

Question 40

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

Accepted Answer

Parallel to 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 41

In METAR/TAF coding, what does -RA mean?

Accepted Answer

Light rain.

Answer

Freezing rain.

Answer

Clear sky below 5,000 ft.

Answer

Variable wind direction.

Question 42

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 43

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

Accepted Answer

Moderate to strong updrafts

Answer

Calm winds and intensive sunlight insolation

Answer

The presence of an inversion layer

Answer

High humidity and high temperatures

Question 44

In METAR/TAF coding, what does BKN mean?

Accepted Answer

Broken cloud.

Answer

Freezing rain.

Answer

Clear sky below 5,000 ft.

Answer

Variable wind direction.

Question 45

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 46

Which action best supports safe management of low cloud?

Accepted Answer

Plan a route and altitude that maintain VFR margins.

Answer

Delay the decision until after take-off.

Answer

Use the item only if requested by passengers.

Answer

Ignore it when the helicopter has sufficient fuel.

Question 47

QNH is 998 hPa and QFE is 975 hPa. What is the approximate aerodrome elevation using 27 ft per hPa?

Accepted Answer

About 620 ft

Answer

About 420 ft

Answer

About 870 ft

Answer

About 23 ft

Question 48

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 49

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 50

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 51

Surface temperature is 22°C and dew point is 10°C. Using the common rule of thumb, what is the approximate convective cloud base?

Accepted Answer

About 4800 ft AGL

Answer

About 4000 ft AGL

Answer

About 5800 ft AGL

Answer

About 1200 ft AGL

Question 52

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 53

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 54

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 aerodrome 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 55

Surface temperature is 16°C and dew point is 8°C. Using the common rule of thumb, what is the approximate convective cloud base?

Accepted Answer

About 3200 ft AGL

Answer

About 2400 ft AGL

Answer

About 4200 ft AGL

Answer

About 800 ft AGL

Question 56

What danger is most imminent during an approach to an aerodrome 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 visibility, maybe loss of sight to the aerodrome during final approach

Answer

Formation of medium to heavy clear ice on all aircraft surfaces

Question 57

Which statement about supercooled water droplets is correct?

Accepted Answer

They can freeze on impact with the aircraft.

Answer

They are ice crystals that cannot adhere.

Answer

They occur only at +25°C.

Answer

They prevent airframe icing.

Question 58

What conditions are mandatory for the formation of thermal thunderstorms?

Accepted Answer

Conditionally unstable atmosphere, high temperature and high humidity

Answer

Absolutely stable atmosphere, high temperature and low humidity

Answer

Absolutely stable atmosphere, high temperature and high humidity

Answer

Conditionally unstable atmosphere, low temperature and low humidity

Question 59

Which statement about lee-side turbulence is correct?

Accepted Answer

It can occur downwind of ridges in strong wind conditions.

Answer

It is always absent below ridge height.

Answer

It occurs only in clear air over oceans.

Answer

It is prevented by high pressure alone.

Question 60

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 61

Which type of cloud is associated with prolonged rain?

Accepted Answer

Nimbostratus

Answer

Cumulonimbus

Answer

Cirrostratus

Answer

Altocumulus

Question 62

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 63

What is the best planning conclusion for lowering cloud base and continuous rain ahead of a warm front?

Accepted Answer

expect deteriorating VFR conditions.

Answer

Continue without checking updated weather.

Answer

Assume VMC is guaranteed.

Answer

Use QFE instead of weather information.

Question 64

Surface temperature is 20°C and dew point is 12°C. Using the common rule of thumb, what is the approximate convective cloud base?

Accepted Answer

About 3200 ft AGL

Answer

About 2400 ft AGL

Answer

About 4200 ft AGL

Answer

About 800 ft AGL

Exam simulation Meteorology - PPL(H) - Private Pilot Licence (Helicopter)

Exam simulation PPL(H) Helicopter Theory Exam Questions in English Meteorology 120 questions on 120 minutes

Exam simulation Meteorology - PPL(H) - Private Pilot Licence (Helicopter)

Exam simulation PPL(H) Helicopter Theory Exam Questions in English Meteorology 120 questions on 120 minutes

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