# Airfoil Characteristics MCQs – Aerodynamics

Solved MCQs of Airfoil Characteristics in Aerodynamics.

airfoil shape is familiar to the blades of the propeller.
(A). True
(B). False
Thrust force is created by propeller with?
(A). transmitted power
(B). own power
(C). the prevailing power
(D). supplied power
Which of the following is the drag curve.
(A). At a specific degree of angle of attack, drag will increase rapidly and overcomes the lift curve.
(B). At a specific degree of angle of attack, the drag curve will decrease, and the lift curve will increase.
(C). lift curve will increase and the drag curve remains constant.
(D). The drag curve will increase and the lift curve remains constant.
From the high temperatures, turbine blades are used to extract energy.
(A). False
(B). True

can the lift and drag of an airfoil depend upon the angle of attack?
(A). True
(B). False
By the relation between the angle of attack, lift coefficient, and drag coefficient can airfoil be characterized?
(A). True
(B). False
within the graph which of the following is stalling angle?
(A). At a specific section the curve increases maximum and within the same section reduces rapidly.
(B). The curve increases and reduces rapidly at a different section
(C). In the least section, the curve remains constant in the least section
(D). lift curve will increase and the drag curve remains constant.
The compressor that can pressurize gasses continuously is an axial compressor?
(A). True
(B). False
Which of the following is correct to express lift and drag ratio during a relation by dividing the?
(A). lift coefficient by the coefficient of drag
(B). lift coefficient by the instant coefficient
(C). coefficient of drag by the lift coefficient
(D). coefficient of drag by the instant coefficient
Within the airfoil section, the represented graph is?
(A). Lift-moment ratio
(B). Coefficient of lift-coefficient of drag ratio
(C). The angle of the attack-drag ratio
(D). Lift–angle of attack ratio Prof.Fazal Rehman Shamil (Available for Professional Discussions)