Explore topic-wise MCQs in Aerodynamics.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

If the lift coefficient for an aircraft at low speed is 0.45, then what is the value of the coefficient of drag at Mach number 0.7?

A. 0.51
B. 0.49
C. 0.63
D. 0.71
Answer» D. 0.71
Discussion
2.

What is the relation between linearized pressure coefficient for compressible Cp and incompressible flow Cp,0?

A. C<sub>p</sub> = C<sub>p,0</sub>
B. C<sub>p</sub> = ( frac {C_{p.0}}{ } )
C. C<sub>p</sub> = ( frac { }{C_{p.0}} )
D. C<sub>p</sub> = <sup>2</sup>C<sub>p,0</sub>
Answer» C. C<sub>p</sub> = ( frac { }{C_{p.0}} )
Discussion
3.

For which of these conditions is Prandtl Glauert compressibility equation valid?

A. Thick airfoil, small angle of attack
B. Thick airfoil, large angle of attack
C. Thin airfoil, large angle of attack
D. Thin airfoil, small angle of attack
Answer» E.
Discussion
4.

Prandtl Glauert compressibility correction is based on which of the following methods?

A. Velocity potential equation
B. Energy equation
C. Momentum equation
D. Continuity equation
Answer» B. Energy equation
Discussion
5.

For which of thee flows is Prandtl Glauert compressibility correction is effective?

A. Subsonic flow
B. Sonic flow
C. Supersonic flow
D. Hypersonic flow
Answer» B. Sonic flow
Discussion
6.

Prandtl Glauert compressibility correction is applied for finding airfoil properties at low speed.

A. True
B. False
Answer» C.
Discussion