Meteorology - Quiz BPL Hot Air - Balloon Pilot License

Question 1

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 2

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 3

With other factors remaining constant, decreasing temperature results in...

Accepted Answer

Decreasing spread and increasing relative humidity.

Answer

Decreasing spread and decreasing relative humidity.

Answer

Increasing spread and decreasing relative humidity.

Answer

Increasing spread and increasing relative humidity.

Question 4

Which of the stated surfaces will reduce the wind speed most due to ground friction?

Accepted Answer

Mountainous areas, vegetation cover

Answer

Flat land, lots of vegetation cover

Answer

Oceanic areas

Answer

Flat land, deserted land, no vegetation

Question 5

What weather development will result from convergence at ground level?

Accepted Answer

Ascending air and cloud formation

Answer

Ascending air and cloud dissipation

Answer

Descending air and cloud formation

Answer

Descending air and cloud dissipation

Question 6

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.

Question 7

What clouds and weather can typically be observed during the passage of a cold front?

Accepted Answer

Strongly developed cumulus clouds (Cb) with showers of rain and thunderstorms, 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

Cirrus, thickening altostratus and altocumulus clouds, lowering cloud base with rain, nimbostratus

Answer

In coastal areas during daytime wind from the coast and forming of cumulus clouds, dissipation of clouds during evening and night

Question 8

What is referred to as mountain wind?

Accepted Answer

Wind blowing down the mountain side during the night

Answer

Wind blowing uphill from the valley during daytime

Answer

Wind blowing uphill from the valley during the night.

Answer

Wind blowing down the mountain side during daytime

Question 9

What pressure pattern can be observed when a cold front is passing?

Accepted Answer

Shortly decreasing, thereafter increasing pressure

Answer

Continually decreasing pressure

Answer

Constant pressure pattern

Answer

Continually increasing pressure

Question 10

What type of fog emerges if humid and almost saturated air, is forced to rise upslope of hills or shallow mountains by the prevailling wind?

Accepted Answer

Orographic fog

Answer

Radiation fog

Answer

Steaming fog

Answer

Advection fog

Quiz Meteorology - Quiz BPL Hot Air - Balloon Pilot License

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