Meteorology - Exam BPL Gas - Balloon Pilot License

Question 1

What phenomenon is caused by cold air downdrafts with precipitation from a fully developed thunderstorm cloud?

Accepted Answer

Gust front

Answer

Freezing rain

Answer

Electrical discharge

Answer

Anvil-head top of Cb cloud

Question 2

What chart shows areas of precipitation?

Accepted Answer

Radar picture

Answer

GAFOR

Answer

Wind chart

Answer

Satellite picture

Question 3

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

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

Answer

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

Answer

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

Question 4

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

Accepted Answer

+RA

Answer

RA

Answer

+SHRA

Answer

SHRA

Question 5

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 6

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

0.1225 kg

Answer

12.25 kg

Answer

0.01225 kg

Question 7

How does air temperature change in ISA from MSL to approx. 10000 m height?

Accepted Answer

From +15° to -50°C

Answer

From +30° to -40°C

Answer

From -15° to 50°C

Answer

From +20° to -40°C

Question 8

Which stage of a thunderstorm is dominated by updrafts?

Accepted Answer

Cumulus stage

Answer

Upwind stage

Answer

Mature stage

Answer

Dissipating stage

Question 9

What can be expected for the prevailing wind with isobars on a surface weather chart showing large distances?

Accepted Answer

Low pressure gradients resulting in low prevailing wind

Answer

Strong pressure gradients resulting in strong prevailing wind

Answer

Strong pressure gradients resulting in low prevailing wind

Answer

Low pressure gradients resulting in strong prevailing wind

Question 10

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

Exam questions Meteorology - Exam BPL Gas - Balloon Pilot License

Exam BPL Gas - Balloon Pilot License: Meteorology 10 Questions no time limit

Exam questions Meteorology - Exam BPL Gas - Balloon Pilot License

Exam BPL Gas - Balloon Pilot License: Meteorology 10 Questions no time limit

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