Whichfactormaybeassociatedwithgrayout?()
A. positive-G
B. negative-G
C. 0-G
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Whichfactorsareassociatedwiththeincidenceofradiation?()
A. Temperatureandhumidityinanairplane.
B. Flighttime,flightheightandthespaceexposedtothesun.
C. Airspeedandatmosphereconcentration.
Thehumanbodyfeelscomfortablewhenthehumidityisabout()
A. 40%-60%
B. 50%-60%
C. 30%-60%
Wheninflight,apilotsuddenlybecomesratherexcitedandpleased,whilehisoperationandjudgmentcapabilitiesdecrease,inthiscase,thepilotmay()
A. beinhypoxiastate.
B. sufferhyperventilation.
C. betooexcitedbecauseofhappythings.
Ahyperventilationprogressesapilotcanexperience()
A. Heightenedawarenessandfeelingofwell-being.
B. Decreasedbreathingrateanddepth.
C. Symptomsofsuffocationanddrowsiness.