State whether the statement is true or false, and if it is false, correct it.(Don't explain. Don't draw. Just write the corrected statement)A. Airfoil camber is the maximum distance between the mean camber line and the chord line, measuredperpendicular to the mean camber line.B. For cambered airfoil, the lift is not equal to zero at zero angle of attack.C. Critical Mach number of an airfoil is the first supersonic free stream mach number.D. Induced drag is the drag due to high angle of attackE. Propeller blades are twisted to increase its structural strength.

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A. Airfoil camber is the maximum distance between the mean camber line and the chord line, measure perpendicular to the mean camber line.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

State whether the statement is true or false, and if it is false, correct it.
(Don't explain. Don't draw. Just write the corrected statement)
A. Airfoil camber is the maximum distance between the mean camber line and the chord line, measured
perpendicular to the mean camber line.
B. For cambered airfoil, the lift is not equal to zero at zero angle of attack.
C. Critical Mach number of an airfoil is the first supersonic free stream mach number.
D. Induced drag is the drag due to high angle of attack
E. Propeller blades are twisted to increase its structural strength.

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