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1. Which of the following gases constitutes the Nitrogen
largest percentage of the Earth's atmosphere?
2. According to Boyle's Law, what happens to the Volume decreases
volume of a gas when pressure increases, assum-
ing temperature remains constant?
3. At what altitude does the temperature decrease 36,000 feet
by approximately 2°C for every 1,000 feet?
4. Which layer of the atmosphere is where most Troposphere
weather phenomena occur?
5. What is the standard atmospheric pressure at sea 101,325 Pa
level in pascals?
6. Which of the following best describes the relation- Higher temperature
ship between temperature and air density? decreases air density
7. What is the primary purpose of the tropospause? To mark the transition
between temperature
layers
8. What is the primary reason lighter-than-air vehi- They are filled with a
cles can float? gas that is less dense
than air
9. Which gas is considered a trace gas in the atmos- Methane
phere?
10. How does atmospheric pressure change with al- It decreases
titude?
11. What is the effect of temperature on air density? Higher temperature
decreases density
12. What is the standard temperature at sea level in 15°C
Celsius?
13. Pressure decreases
, Theory of Flight Exam Prep Questions
Study online at https://quizlet.com/_ftadtr
According to Bernoulli's Principle, what happens
to pressure when the speed of a fluid increases?
14. Which of the following laws explains how gases Charles's Law
behave when temperature changes?
15. Which of the following best describes the relation- Lift increases with in-
ship between lift and angle of attack? creased angle of at-
tack until a stall occurs
16. What is the primary purpose of the troposphere? To support weather
systems
17. Which law explains the relationship between Boyle's Law
pressure and volume in gases?
18. What is the effect of a higher angle of incidence Lift increases up to a
on lift? stall point
19. What is the primary cause of induced drag? Lift generation
20. What is the primary cause of dissymmetry of lift Different wind condi-
in a helicopter during forward flight? tions on advancing
and retreating blades
21. How does increasing the angle of attack affect Induced drag increas-
induced drag? es
22. Which gas is present in the atmosphere in the Carbon Dioxide
smallest percentage?
23. What is the primary function of the stratosphere? To contain the ozone
layer
24. How does humidity affect air density? Higher humidity de-
creases density
25. What is the primary cause of drag in an aircraft? Air friction
26.