Meteorology - Exam BPL Gas - Balloon Pilot License

Question 1

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

Prolonged radiation during nights clear of clouds

Answer

Evaporation from warm, moist ground area into very cold air

Answer

Cold, moist air mixes with warm, moist air

Question 2

How do spread and relative humidity change with increasing temperature?

Accepted Answer

Spread increases, relative humidity decreases

Answer

Spread increases, relative humidity increases

Answer

Spread remains constant, relative humidity increases

Answer

Spread remains constant, relative humidity decreases

Question 3

The pressure at MSL in ISA conditions is...

Accepted Answer

1013.25 hPa

Answer

113.25 hPa

Answer

1123 hPa

Answer

15 hPa

Question 4

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 5

What information can be obtained from satellite images?

Accepted Answer

Overview of cloud covers and front lines

Answer

Flight visibility, ground visibility, and ground contact

Answer

Turbulence and icing

Answer

Temperature and dew point of environmental air

Question 6

What pressure pattern may result from cold-air inflow in high tropospheric layers?

Accepted Answer

Formation of a low in the upper troposphere

Answer

Formation of a large ground low

Answer

Alternating pressure

Answer

Formation of a high in the upper troposphere

Question 7

Clouds are basically distinguished by what types?

Accepted Answer

Cumulus and stratiform clouds

Answer

Layered and lifted clouds

Answer

Thunderstorm and shower clouds

Answer

Stratiform and ice clouds

Question 8

What type of turbulence is typically found close to the ground on the lee side during Foehn conditions?

Accepted Answer

Turbulence in rotors

Answer

Clear-air turbulence (CAT)

Answer

Inversion turbulence

Answer

Thermal turbulence

Question 9

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 10

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

Accepted Answer

Variable winds, formation of local wind systems

Answer

Formation of local wind systems with strong prevailing westerly winds

Answer

Strong prevailing westerly winds with rapid veering

Answer

Strong prevailing easterly winds with rapid backing

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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