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Lift (soaring): Quiz

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Question 1: A sea-breeze (or onshore breeze) is a ________ from the sea that develops over land near coasts.
ThunderstormWindPrecipitation (meteorology)Meteorology

Question 2: In dynamic soaring[13] ________ is gained by repeatedly crossing the boundary between air masses of different horizontal velocity rather than by rising air.
ForceEnergyUniverseTime

Question 3: The three air sports that use soaring flight are: ________, hang gliding and paragliding.
GlidingLift (soaring)Powered hang gliderGlider (sailplane)

Question 4: ________ occur when a wind of 25 knots (46 km/h) blows over a mountain.
Lee waveMeteorologyHang glidingGliding

Question 5: [7] Mountain wave was used to set the current altitude record of 50,699 feet (15,453 m) on August 29, 2006 over El Calafate, ________.
Buenos AiresChileBrazilArgentina

Question 6: Pilots use supplementary ________ to avoid hypoxia because gliders do not have pressurized cockpits.
NitrogenOxygenHeliumHydrogen

Question 7: Thermal lift is often used by birds, such as raptors, vultures and ________.
OwlCiconiiformesLoonStork

Question 8: The pilots were ________ and Einar Enevoldson, who were wearing pressure suits.
Scaled CompositesVirgin Atlantic GlobalFlyerSteve FossettBurt Rutan

Question 9: Occasionally thermals are caused by the exhaust gases from ________ or by fires.
Nuclear powerHydroelectricityPower stationElectricity generation

Question 10: Typical locations to find thermals are over towns, freshly ploughed fields and ________ roads, but thermals are often hard to associate with any feature on the ground.
AsphaltBitumenCoalPetroleum







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