1. Explain about Induced drag. What are the ways to reduce induced drag ? (5 marks)
(Answer)
2. What is meant by drag ? What are the different types of drag ?
Refer ppt
3. Explain lift equation and lift coefficient. For an aeroplane with velocity 100 m/s , wing area 20 sq. m, a drag coefficient of 0.06 and a lift coefficient of 0.7, find the lifting force and drag force acting on the airfoil. Density of air is 1 kg/m3.
Solve it yourself
4. With neat diagrams , demonstrate the various forces acting on an airplane?
5.Using a lift curve, illustrate how lift varies with angle of attack?
(Answer)
6. With a neat diagram, illustrate & explain the effect of airplane control surfaces?
(Answer)
7. With a neat diagram explain airfoil nomenclature.
8. Briefly explain the contributions of a)Sir George Cayley b) Joseph & Etienne Montgolfier and c)Leonardo da Vinci in the field of Avionics.
9. Explain in detail the airfoil nomenclature. What is the significance of using quarter chord point? (6 marks)(Dec 2019)
(Answer)