# Airfoil Nomenclature MCQs – Aerodynamics

Solved MCQs of Airfoil Nomenclature in Aerodynamics.

To decrease the stall speed which of the following parameter is used?
(A). Chord
(B). Chord line
(C). Camber
(D). Camber line
chord is a distance between………?
(B). chord and chamber
(C). leading edge and trailing edge
(D). trailing edge and chord
Which of the following is NACA 747A315 airfoil thickness?
(A). 15%
(B). 25%
(C). 30%
(D). 7%
NACA 0012 airfoil is claimed to be symmetric airfoil because of?
(A). no camber
(B). camber
(C). no wideness
(D). chord line
The airfoil figure depends on thickness?
(A). True
(B). False
pupose of leading edge is to allow the wing to work ______________
(A). at high position of attack
(B). at low position of attack
(C). at stall condition
(D). in level condition
The purpose of trailing edge is…………?
(A). Airflow rejoins
(B). Airflow separated
(C). Vortex are created
(D). Stalling will created
in an airfoil the purpose of camber is to ____________
(A). increase maximum drag
(B). increase maximum lift
(C). decrease maximum lift
(D). decrease maximum drag
Which of the following is NACA 2412 airfoil thickness?
(A). 12%
(B). 24%
(C). 41%
(D). 2%
The airfoil figure at the leading edge is……..?
(A). Semi-circular
(B). Curve
(C). Straight
(D). Circular