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Home > Training for exam quizzes ATPL, PPL(A), PPL(H), BPL Hot Air, BPL Gas, SPL - Sailplane, EASA Drone, FAA Drone > Aircraft General Knowledge - Quiz BPL Hot Air - Balloon Pilot License

Quiz Aircraft General Knowledge - Quiz BPL Hot Air - Balloon Pilot License

Test 10 Questions Quiz BPL Hot Air - Balloon Pilot License - Aircraft General Knowledge, no time limit

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1 - The vapour pressure of propane gas in a bottle depends in particular on: The rigidity of the bottle. The size of the bottle. The temperature. The gas amount.

2 - The vertical speed indicator measures the difference of pressure between... The present dynamic pressure and the static pressure of a previous moment. The present total pressure and the total pressure of a previous moment. The present dynamic pressure and the dynamic pressure of a previous moment. The present static pressure and the static pressure of a previous moment.

3 - The burning gas is pushed from the liquid gas phase through the riser tube to which component? To the evaporator To the pressure relief device To the fill level indicator To the controller

4 - The boiling point of propane gas at atmospheric conditions is: .+ 5 °C .- 42 °C .- 23 °C 0 °C

5 - What amount of ignitable mixture can be made from 1 L (0,001 m3) liquid propane gas? 0,38 m3 0,26 m3 12 m3 1,2 m3

6 - A flight level is a... True altitude Density altitude. Pressure altitude. Altitude above ground.

7 - The carrying ropes of a hot-air balloon are made up from: Manila rope Stainless steel Copper Duralum

8 - What ist the purpose of the sounding pipe valve? It allows pressure equalization during cruise at high altitude To indicate the volumetric filling limit. It prevents air from entering the burner system For venting the liquid gas container bottle.

9 - Which gas is heavier than air? Hydrogen Propane Helium Illuminating gas

10 - A true altitude is... An altitude above mean sea level corrected for non-standard temperature. A height above ground level corrected for non-standard pressure. A height above ground level corrected for non-standard temperature. A pressure altitude corrected for non-standard temperature.

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