AVIT 309 EXAM SCRIPT 2026 QUESTIONS
WITH ANSWERS GRADED A+
◉ A protective envelope consisting of gases, vapor, and solid particles,
held to the earth by gravity Answer: Atmosphere
◉ What percent of the atmosphere is made up of oxygen? Answer: 21%
◉ What percent of the atmosphere is made up of nitrogen? Answer: 78%
◉ What is the temperature lapse rate ascending every 1,000 feet?
Answer: 3.5 degrees F
2.0 degrees C
◉ What is the temperature of the isothermic layer of the stratosphere?
Answer: -67 degrees F
-55 degrees C
◉ The FAA classifies pilots as Answer: occupation radiation workers
◉ An increase in CO2 means Answer: more turbulence
, ◉ Does barometric pressure increase or decrease as we go to altitude?
Answer: Decrease
◉ What two factors determine our ability to perform? Answer:
combination of pressure and oxygen percentage
◉ Full physiological adaptation to altitude takes Answer: 18.4 days per
mile of altitude
◉ Zone of Normal Adaptation Answer: SL - 10,000 MSL
◉ Zone of Physiologic Deficiency Answer: 10,000 - 50,000 MSL
◉ Space Equivalent Zone Answer: 50,000 -
◉ Boyle's Law Answer: Trapped gas
volume of gas is inversely proportional to its subjected pressure,
temperature remaining constant
◉ Charles' Law Answer: Pressure gauge fluctuation
pressure of a gas is directly proportional to its temperature
WITH ANSWERS GRADED A+
◉ A protective envelope consisting of gases, vapor, and solid particles,
held to the earth by gravity Answer: Atmosphere
◉ What percent of the atmosphere is made up of oxygen? Answer: 21%
◉ What percent of the atmosphere is made up of nitrogen? Answer: 78%
◉ What is the temperature lapse rate ascending every 1,000 feet?
Answer: 3.5 degrees F
2.0 degrees C
◉ What is the temperature of the isothermic layer of the stratosphere?
Answer: -67 degrees F
-55 degrees C
◉ The FAA classifies pilots as Answer: occupation radiation workers
◉ An increase in CO2 means Answer: more turbulence
, ◉ Does barometric pressure increase or decrease as we go to altitude?
Answer: Decrease
◉ What two factors determine our ability to perform? Answer:
combination of pressure and oxygen percentage
◉ Full physiological adaptation to altitude takes Answer: 18.4 days per
mile of altitude
◉ Zone of Normal Adaptation Answer: SL - 10,000 MSL
◉ Zone of Physiologic Deficiency Answer: 10,000 - 50,000 MSL
◉ Space Equivalent Zone Answer: 50,000 -
◉ Boyle's Law Answer: Trapped gas
volume of gas is inversely proportional to its subjected pressure,
temperature remaining constant
◉ Charles' Law Answer: Pressure gauge fluctuation
pressure of a gas is directly proportional to its temperature
