LIFT AND DRAG

#26. What proportion of total drag is made up of induced drag when flying at VMD?

• A50%
• B75%
• C25%
• D100%

#64. If for an elliptical wing the CL = 2.5, A = 4, what is CDI?

• A0.297
• B0.497
• C1.297
• D1.497

#11. What will be the effect on drag if humidity is increased if air temperature, pressure and TAS remain constant?

• AIncrease.
• BDecrease.
• CRemain constant.
• DDecrease or increase depending on Mach number.