Quiz: Stability
Due Mar 13 at 11:59pm
Points 75
Questions 30
Time Limit 60 Minutes
Instructions
The quiz:
Covers the Learn material from Module 7: Week 7 — Module 8: Week 8.
Contains 30 multiple-choice and true/false questions.
Is limited to 1 hour.
Allows 1 attempt.
Is worth 75 points.
You may refer to your notes and textbooks at any time during the assessment.
Calculated numerical questions have a 5% tolerance. Submit your answers to three decimal places.
Figures are from the textbook or embedded in the question.
Submit this assignment by 11:59 p.m. (ET) on Friday of Module 8: Week 8.
Attempt History
Attempt Time Score
LATEST Attempt 1 46 minutes 67.5 out of 75
Correct answers are hidden.
Score for this quiz: 67.5 out of 75
Submitted Mar 11 at 3:21am
This attempt took 46 minutes.
Question 1
2..5 pts
A design feature that can enable a subsonic jet to increase it's airspeed without encountering
shock wave problems (i.e. raising Critical Mach) is
Making the airfoil thinner
Creating supercritical airfoils
Designing sweepback wings
All of the above
, 3/12/26, 8:14 PM Quiz: Stability: AVIA305: Airplane Aerodynamics (B02)
Question 2
2..5 pts
If an aircraft that has been disturbed from its equilibrium position has the initial tendency to
move farther away from its equilibrium position, it is demonstrating
Positive Dynamic Stability
Negative Dynamic Stability
Neutral Static Stability
Negative Static Stability
Question 3
2..5 pts
An aircraft with “stick-fixed” controls will experience increased longitudinal stability.
True
False
Incorrect
Question 4
.5 pts
On a twin-engine propeller aircraft, loss of one engine (50% power) may result in a(an) _______
loss of climb performance.
10%
40–50%
25%
80–100%
Question 5
2..5 pts
An Oblique shock wave will have what effect on velocity and Mach number?
Increase to higher supersonic
Decrease to subsonic
Decrease but still supersonic
Question 6
2..5 pts
If an aircraft that is trimmed for non-sideslip flight is subjected to a sideslip condition (i.e.,
crosswind) and then reacts by turning away from the new relative wind, thus increasing the
sideslip angle, is said to have