Podcast
Questions and Answers
What happens to induced drag as the speed of the aircraft increases?
What happens to induced drag as the speed of the aircraft increases?
- It increases (correct)
- It remains constant
- It decreases
- It becomes negligible
What is the effect of a higher aspect ratio on induced drag?
What is the effect of a higher aspect ratio on induced drag?
- It increases induced drag
- It has no effect on induced drag
- It depends on the air density
- It decreases induced drag (correct)
What is the purpose of wing end plates?
What is the purpose of wing end plates?
- To increase the wing's bending moment
- To restrict tip vortices and reduce induced drag (correct)
- To reduce parasite drag
- To increase lift
How do tip tanks reduce induced drag?
How do tip tanks reduce induced drag?
What is the purpose of winglets?
What is the purpose of winglets?
What is the relationship between lift and weight known as?
What is the relationship between lift and weight known as?
What is the primary cause of induced drag in an airfoil?
What is the primary cause of induced drag in an airfoil?
What happens to induced drag as the aspect ratio of a wing increases?
What happens to induced drag as the aspect ratio of a wing increases?
What is the effect of increasing the angle of attack on induced drag?
What is the effect of increasing the angle of attack on induced drag?
What is the direction of the air movement from the bottom of the airfoil to the tips?
What is the direction of the air movement from the bottom of the airfoil to the tips?
What is the effect of increasing air speed on induced drag?
What is the effect of increasing air speed on induced drag?
What is the relationship between lift and induced drag?
What is the relationship between lift and induced drag?
What is the term for the drag due to frictional shear stress integrated over the surface?
What is the term for the drag due to frictional shear stress integrated over the surface?
What type of drag is associated with transonic and supersonic flow?
What type of drag is associated with transonic and supersonic flow?
What is the effect of doubling the indicated air speed on parasite drag?
What is the effect of doubling the indicated air speed on parasite drag?
What is the term for the portion of total drag associated with skin friction and pressure drag due to flow separation?
What is the term for the portion of total drag associated with skin friction and pressure drag due to flow separation?
What is the effect of airframe contamination on parasite drag?
What is the effect of airframe contamination on parasite drag?
What is the term for the drag that exists when the airplane is at zero lift angle of attack?
What is the term for the drag that exists when the airplane is at zero lift angle of attack?
