Meteorology - Quiz BPL Gas - Balloon Pilot License

Question 1

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

Question 2

Under which conditions "back side weather" ("Rückseitenwetter") can be expected?

Accepted Answer

After passing of a cold front

Answer

During Foehn at the lee side

Answer

Before passing of an occlusion

Answer

After passing of a warm front

Question 3

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° / 1000 ft.

Question 4

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 5

What situation may result in the occurrence of severe wind shear?

Accepted Answer

When a shower is visible close to the airfield

Answer

Cross-country flying below Cu clouds with about 4 octas coverage

Answer

During final approach, 30 min after a heavy shower has passed the airfield

Answer

Flying ahead of a warm front with visible Ci clouds

Question 6

Cold air inflow in high tropospheric layers may result in...

Accepted Answer

Showers and thunderstorms.

Answer

Stabilisation and calm weather

Answer

Calm weather and cloud dissipation.

Answer

Frontal weather.

Question 7

The pressure at MSL in ISA conditions is...

Accepted Answer

1013.25 hPa.

Answer

113.25 hPa

Answer

1123 hPa.

Answer

15 hPa.

Question 8

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 9

What is the mean height of the tropopause according to ISA (ICAO Standard Atmosphere)?

Accepted Answer

11000 m

Answer

36000 m

Answer

11000 ft

Answer

18000 ft

Question 10

An inversion layer close to the ground can be caused by...

Accepted Answer

Ground cooling during the night.

Answer

Large-scale lifting of air

Answer

Thickening of clouds in medium layers

Answer

Intensifying and gusting winds.

Quiz Meteorology - Quiz BPL Gas - Balloon Pilot License

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