Meteorology - BPL Gas Balloon Pilot Licence

Question 1

The dry adiabatic lapse rate has a value of...

Accepted Answer

1.0° C / 100 m

Answer

0.6° C / 100 m

Answer

0.65° C / 100 m

Answer

2° C / 1000 ft

Question 2

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

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

Answer

Overhead unbroken cloud layers

Question 3

Light turbulence always has to be expected...

Accepted Answer

Below cumulus clouds due to thermal convection

Answer

When entering inversions

Answer

Above cumulus clouds due to thermal convection

Answer

Below stratiform clouds in medium layers

Question 4

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 5

The barometric altimeter indicates height above...

Accepted Answer

A selected reference pressure level

Answer

Mean sea level

Answer

Ground

Answer

Standard pressure 1013.25 hPa

Question 6

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

Humidity evaporates from warm, humid ground into cold air

Answer

Warm, humid air cools during a cloudy night

Question 7

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 8

The pressure at MSL in ISA conditions is...

Accepted Answer

1013.25 hPa

Answer

113.25 hPa

Answer

1123 hPa

Answer

15 hPa

Question 9

Measured pressure distribution in MSL and corresponding frontal systems are displayed by the...

Accepted Answer

Surface weather chart

Answer

Significant Weather Chart (SWC)

Answer

Prognostic chart

Answer

Hypsometric chart

Question 10

What factors may indicate a tendency to fog formation?

Accepted Answer

Low spread, decreasing temperature

Answer

Low pressure, increasing temperature

Answer

Strong winds, decreasing temperature

Answer

Low spread, increasing temperature

Exam questions Meteorology - BPL Gas Balloon Pilot Licence

BPL Gas Balloon Pilot Licence: Meteorology 10 Questions no time limit

Exam questions Meteorology - BPL Gas Balloon Pilot Licence

BPL Gas Balloon Pilot Licence: Meteorology 10 Questions no time limit

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