AVIT 323 block 10-Dilse Complete Questions
and Correct Detailed Answers (Verified
Answers)
Question:Definition of drag
Ans: The component of aerodynamic force that is parallel to the relative
wind and slows the forward motion of the aircraft.
-resistance to air
Question: Parasite drag
Ans: Type of drag that is NOT associated with the production of lift
Question: Induced drag
Ans: Drag associated with the production of lift
Question: Types of parasite drag
Master01 | 2025/2026 | Latest update
, 2
Ans: -form drag (Separation drag)
-skin friction drag (viscus drag)
-Interference drag (produces two boundary layers 1+1=3)
-Profile drag (combo of skin friction and form drag)
-Cooling drag
-Leakage drag
Question: Viscosity: what type of drag does it affect
Ans: -Resistance to shear
-Skin friction (viscus)
Question: Factors that influence parasite drag
Ans: -Velocity
-Density
-Aircraft Characteristics
-Aircrafts surface area
Question: Factors that influence skin friction
Master01 | 2025/2026 | Latest update