Quiz: Trike Ground Lesson 2

Quiz: Trike Ground Lesson 2

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Question 1 of 16

1. Question
What is the relationship of lift, drag, thrust, and weight when the aircraft is in straight-and-level flight?
- A. Lift equals weight, and thrust equals drag.
- B. Lift, drag, and weight equal thrust.
- C. Lift and weight equal thrust and drag.
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Question 2 of 16

2. Question
When are the four forces that act on an aircraft in equilibrium?
- A. During un-accelerated flight.
- B. When the aircraft is accelerating.
- C. When the aircraft is at rest on the ground.
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Question 3 of 16

3. Question
The term “angle of attack” is defined as the angle?
- A. Between the wing chord line and the relative wind.
- B. Between the aircraft's climb angle and the horizon.
- C. Formed by the longitudinal axis of the aircraft and the chord line of the wing.
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Question 4 of 16

4. Question
The four forces acting on an aircraft in flight are?
- A. Lift, weight, thrust & drag.
- B. Lift, weight, gravity & thrust.
- C. Lift, gravity, power & friction.
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Question 5 of 16

5. Question
The angle of attack at which an aircraft wing stalls will?
- A. Increase if the CG is moved forward.
- B. Change with an increase in gross weight.
- C. Remain the same regardless of gross weight.
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Question 6 of 16

6. Question
The angle between the chord line of an airfoil and the relative wind is known as the angle of?
- A. Lift.
- B. Attack.
- C. Incidence.
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Question 7 of 16

7. Question
Which basic flight maneuver increases the load factor on an aircraft as compared to straight-and-level flight?
- A. Climbs.
- B. Turns.
- C. Stalls.
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Question 8 of 16

8. Question
If an aircraft weighs 1,000 pounds, what approximate weight would the aircraft structure be required to support during a 60 degree banked turn while maintaining altitude?
- A. 1,000 pounds.
- B. 1,400 pounds.
- C. 2,000 pounds.
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Question 9 of 16

9. Question
Shifting your weight to the side or lowering a wing tip produces what effect?
- A. Loads and warps the wing with more washout (twist) in the direction of the turn.
- B. Banks the wing in the intended direction for the turn.
- C. Both answers above.
- D. Causes a turn in the other direction.
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Question 10 of 16

10. Question
How does the weight-shift wing stall near minimum controled airspeed?
- A. Nose stalls and drops first because it is at a higher angle of attack than the tips.
- B. Gently because of the different airfoil shape at the tips.
- C. More weight is hanging in front because of the high angle of attack.
- D. Same as a fixed wing.
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Question 11 of 16

11. Question
Trim speed is typically increased in a weight-shift control trike aircraft by…
- A. adding more weight to the undercarriage.
- B. moving the hang point forward on the wing keel.
- C. flying at lower angles of attack.
- D. pulling the sail tighter.
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Question 12 of 16

12. Question
The characteristics of higher-performance wings are?
- A. They set up easier.
- B. They are heavier because of the double surface.
- C. They are easier to turn because they are high performance.
- D. They are smaller, double surface and typically less wing washout (twist).
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Question 13 of 16

13. Question
As a weight-shift aircraft wing approaches a stall, the wingtips?
- A. Keep flying, which decreases the wings angle of attack when the nose/center section of the wing stalls.
- B. Act in much the same way as ailerons on a three-axis aircraft.
- C. Increase the wing’s angle of attack.
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Question 14 of 16

14. Question
During a weight-shift control trike stall, the wingtips of a weight-shift aircraft are?
- A. Ineffective for stall recovery.
- B. Effective for stall recovery by staying flying when the root is stalled.
- C. Effective only when combined with maximum engine output.
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Question 15 of 16

15. Question
How does the wing design feature “washout” affect the production of lift?
- A. The wingtips continue producing lift when the main body of the wing is stalled and not producing lift.
- B. The main body of the wing continues to produce lift when the wingtips are not producing lift.
- C. The center of lift moves from the trailing edge of the wing to the leading edge of the wing as the wing begins to stall.
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Question 16 of 16

16. Question
The wing of a weight-shift aircraft twists so that the angle of attack?
- A. From the center of the wing to the wingtip is variable and can be adjusted by the pilot in flight to optimize performance.
- B. Changes from a low angle of attack at the center of the wing to a high angle of attack at the tips.
- C. Changes from a high angle of attack at the center of the wing to a low angle of attack at the tips.
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