Meteorology - Quiz BPL Gas - Balloon Pilot License

Question 1

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

Shallow cumulus clouds with base at medium levels

Answer

Sky clear of clouds, sunshine, low winds

Question 2

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 3

What weather phenomenon designated by "2" has to be expected on the lee side during "Foehn" conditions? See figure (MET-001).

Accepted Answer

Altocumulus lenticularis

Answer

Cumulonimbus

Answer

Altocumulus Castellanus

Answer

Nimbostratus

Question 4

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 5

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

Accepted Answer

Surface weather chart

Answer

Wind chart

Answer

Hypsometric chart

Answer

Prognostic chart

Question 6

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

Accepted Answer

Polar front

Answer

Warm front

Answer

Cold front

Answer

Occlusion

Question 7

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

Accepted Answer

Continental polar air

Answer

Continental tropical air

Answer

Maritime tropical air

Answer

Maritime polar air

Question 8

What clouds and weather may result from a humid and unstable 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

Overcast low stratus (high fog) with no precipitation

Answer

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

Answer

Thin Altostratus and Cirrostratus clouds with light and steady precipitation

Question 9

What are the air masses that Central Europe is mainly influenced by?

Accepted Answer

Polar cold air and tropical warm air

Answer

Equatorial and tropical warm air

Answer

Tropical and arctic cold air

Answer

Arctic and polar cold air

Question 10

What factor may affect the top of cumulus clouds?

Accepted Answer

The presence of an inversion layer

Answer

The spread

Answer

Relative humidity

Answer

The absolute humidity

Quiz Meteorology - Quiz BPL Gas - Balloon Pilot License

Test 10 Questions Quiz BPL Gas - Balloon Pilot License - Meteorology, no time limit