Airfoil Nomenclature Online Exam Quiz
Airfoil Nomenclature GK Quiz. Question and Answers related to Airfoil Nomenclature. MCQ (Multiple Choice Questions with answers about Airfoil Nomenclature
In a venturi duct, the pressure at throat is __
Options
A : lower than ambient pressure
B : equal to ambient pressure
C : greater than ambient pressure
D : 0
In a wind tunnel, the section with minimum area is called as __
Options
A : exit
B : nozzle
C : inlet
D : throat
Incompressible flow is the one in which density is ___
Options
A : 0
B : constant
C : varies from point to point
D : negligible
Purpose of leading edge is to __
Options
A : allow the wing to operate at high angle of attack
B : allow the wing to operate at low angle of attack
C : allow the wing to operate at stall condition
D : allow the wing to operate in level condition
The below figure shows which of the following wind tunnel?^
Options
A : Convergent duct
B : Divergent duct
C : Convergent-divergent duct
D : Simple duct
The flows in which all the flow parameters are the function of 'x' is called as ___
Options
A : 3D flow
B : 2D flow
C : Quasi 1D flow
D : Quasi 2D flow
What is the purpose of trailing edge?
Options
A : Airflow rejoins
B : Airflow separated
C : Vortex are created
D : Stalling will created
What is the shape of the airfoil at the leading edge?
Options
A : Semi-circular
B : Curve
C : Straight
D : Circular
What is the thickness in NACA 2412 airfoil?
Options
A : 12%
B : 24%
C : 41%
D : 2%
What is the thickness in NACA 747A315 airfoil?
Options
A : 15%
B : 25%
C : 30%
D : 7%
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