Solved MCQs on The Cambered Airfoil in aerodynamics Physics.

Between the two acting surfaces of an airfoil, the camber is asymmetry.
(A). True
(B). False
(C). Partially True
MCQ Answer: a

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Maximum lift is produced by airfoil with high camber.
(A). False
(B). True
(C). Partially True
MCQ Answer: b

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How the critical angle of attack is increased?
(A). Reduce the camber
(B). Increase the camber
(C). Increase the thickness
(D). Reduce the thickness
(E). None of these
MCQ Answer: a

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Supercritical airfoil is used by supersonic flight.

(A). True
(B). False
(C). Partially True
MCQ Answer: a

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Supercritical airfoil has flattened upper surface.
(A). True
(B). False
(C). Partially True
MCQ Answer: a

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The upper surface of the positive camber is more convex.
(A). True
(B). False
(C). Partially True
MCQ Answer: a

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Which of the following is reflexed camber airfoil?
(A). Near the trailing edge camber line curves backup
(B). Near the trailing edge chord line curves backup
(C). Chord and camber are at stationary
(D). A chord is at stationary
(E). None of these
MCQ Answer: a

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The curve of the lower and upper surfaces of an airfoil is camber.
(A). True
(B). False
(C). Partially True
MCQ Answer: a

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The upper camber is referred to the upper surface camber.
(A). True
(B). False
(C). Partially True
MCQ Answer: a
An increase in velocity is caused by the camber of an airfoil.
(A). True
(B). False
(C). Partially True
MCQ Answer: a

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