# Airfoil Selection-3 Online Exam Quiz

Airfoil Selection-3 GK Quiz. Question and Answers related to Airfoil Selection-3. MCQ (Multiple Choice Questions with answers about Airfoil Selection-3

Options

A : 0N

B : 0

C : 0.5

D : 0.5

Options

A : 4.36?

D : 0.05?

Options

A : 15N

B : 15KN

C : 25N

D : 30 Pa

Options

A : 1.25

B : 1.6

C : 2.5

D : 2.51

### Determine the corrections or otherwise of the following assertion [A] and reason [R]:^ Assertion [A]: Most of the wings are using cambered airfoils.^ Reason[R]: Cambered airfoils can produce positive lift at 0? AOA.

Options

A : Both [A] and [R] are true and [R] is the correct reason for [A]

B : Both [A] and [R] are true but [R] is not the correct reason for [A]

C : [A] is true but [R] is false

D : [A] is false but [R] is true

### Fuel system includes __

Options

A : fuel tanks, fuel lines, fuel pump, etc

B : elevator

C : rudder

D : high lift device

Options

A : NACA 6512

B : NACA 652132

C : NACA 65211

D : NACA 0009

### Integral tanks are ___

Options

A : cavities within the aircraft's airframe itself

B : external tanks needs to be fabricated

C : external tanks required to put in the airframe

D : there is no such type of fuel tank

### Laminar bucket is region where __

Options

A : flow remains laminar

B : turbulent is produced

C : drag increases drastically

D : lift is reduced drastically

### Let's consider we need to design supersonic aircraft then, which type of airfoil should be adopted?

Options

A : Supersonic airfoil

B : Symmetric airfoil

C : Bluff shape

D : Thicker airfoil

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