Aerodynamic Coefficients Online Exam Quiz
Aerodynamic Coefficients GK Quiz. Question and Answers related to Aerodynamic Coefficients. MCQ (Multiple Choice Questions with answers about Aerodynamic Coefficients
A wing is designed to operate with free stream velocity of 20m/s and air density of 1.225 kg/m3. Find aerodynamic efficiency of given wing. Consider S as 8 m2, CL as 0.9 and CD as 1.25.
Options
A : 0.72
B : 2
C : 3
D : 5.23
Cambered wing has minimum drag coefficient of 0.05 and constant K of 0.023. If CL is 0.8 then find the value of CD. Given minimum drag occurs at CL of 0.1.
Options
A : 0.06127
B : 6.1
C : 61.2
D : 0.6721
For a symmetrical airfoil drag coefficient at zero lift is 0.05 and induced drag coefficient is 0.0025. Find the total drag coefficient.
Options
A : 0.0525
B : 0.45
C : 5.25
D : 52.5
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