Meteorology - PPL(H) - Private Pilot License

Question 1

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 2

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 3

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 4

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 5

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 6

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

Scattered cumulus clouds with showers and thunderstorms

Answer

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

Answer

Dissipating clouds with unusual warming, accompanied by strong, gusty winds

Question 7

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 8

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 9

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 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

Quiz Meteorology - PPL(H) - Private Pilot License

Test 10 Questions PPL(H) - Private Pilot License - Meteorology, no time limit