Meteorology - BPL Hot Air - Balloon Pilot License

Question 1

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 2

An inversion is a layer ...

Accepted Answer

With increasing temperature with increasing height

Answer

With increasing pressure with increasing height

Answer

With constant temperature with increasing height

Answer

With decreasing temperature with increasing height

Question 3

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 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 is the gas composition of "air"?

Accepted Answer

Oxygen 21 % Nitrogen 78 % Noble gases / carbon dioxide 1 %

Answer

Oxygen 78 % Water vapour 21 % Nitrogen 1 %

Answer

Oxygen 21 % Water vapour 78 % Noble gases / carbon dioxide 1 %

Answer

Nitrogen 21 % Oxygen 78 % Noble gases / carbon dioxide 1 %

Question 6

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 7

In a METAR, "(moderate) showers of rain" are designated by the identifier...

Accepted Answer

SHRA

Answer

+TSRA

Answer

TS

Answer

+RA

Question 8

The saturated adiabatic lapse rate should be assumed with a mean value of:

Accepted Answer

0.6° C / 100 m

Answer

2° C / 1000 ft

Answer

1.0° C / 100 m

Answer

0° C / 100 m

Question 9

At what rate does the temperature change with increasing height according to ISA (ICAO Standard Atmosphere) within the troposphere?

Accepted Answer

Decreases by 2° C / 1000 ft

Answer

Increases by 2° C / 1000 ft

Answer

Decreases by 2° C / 100 m

Answer

Increases by 2° C / 100 m

Question 10

What is the ISA standard pressure at FL 180 (5500 m)?

Accepted Answer

500 hPa

Answer

1013.25 hPa

Answer

300 hPa

Answer

250 hPa

Exam questions Meteorology - BPL Hot Air - Balloon Pilot License

BPL Hot Air - Balloon Pilot License: Meteorology 10 Questions no time limit