## Pilot Exam – Theory of Flight

This exam has a maximum score of 25 and there are 23 questions.

Theory of Flight

Q1. The angle of attack of a wing is the angle the chord makes with:

Q2. The lift force of a wing acts at 90 degrees to:

Q3. The efficiency of a wing is called the:

Q4. When a fluid travels through a tube which contains a venturi, at the point of the restriction, the fluid:

Q5. Increasing the angle of attack of a wing, up to the point of minimum sink, will:

Q6. Lift is proportional to speed.  Which of the following would give the same lift as low airspeed and high angle of attack:

Q7. When a wing is flying it creates vortices.  Such a vortex is called:

Q8. The aspect ratio of a wing is calculated by:

Q9. The centre of pressure of a wing is the point where:

Q10. When the angle of attack of a wing is increased the centre of pressure moves:

Q11. At the point of a wing stall:

Q12. For hang glider wings, which of the following wing characteristics contribute to pitch stability. There is more than one correct answer so you will need to tick more than one box but you will have one point deducted for each incorrect selection.

Q13. Induced drag has the property of:

Q14. What type of ballast can you carry aboard your glider:

Q15. Additional weight such as ballast will have the following effect:

Q16. Induced drag can be reduced by:

Q17. Parasitic drag has the property of:

Q18. A variometer measures:

Q19. The diagram below shows the polar curve for a Discus hang glider. The speeds for stall, minimum sink and maximum glide in still air are: Q20. The diagram below shows the polar curve for a Discus hang glider. The speed to fly for maximum glide in a 10kmh tailwind in air sinking at 1m/s is: Q21. In the diagram below of a wing cross section what are the labelled items: Q22. Lowering temperature and/or pressure has the following effect on the altitude reading on an altimeter:

Q23. Yaw stability in a paraglider is provided by:

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