Aerospace Engineering
2020 · Paper 1
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Complete GATE AE 2020 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 46–48 of 65. Imported answers require review unless explicitly marked reviewed.
Question 36
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If
is evaluated numerically using trapezoid rule with four intervals, the difference between the numerically evaluated value and the analytical value of the integral is equal to ______ (round off to three decimal places).Log in to check the answer
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The table shows the lift characteristics of an airfoil at low speeds. The maximum lift coefficient occurs at 16 degrees.
Angle of attack (in degrees) | Lift coefficient |
|---|---|
0 | 0.10 |
4 | 0.53 |
Using Prandtl-Glauert rule, the lift coefficient for the airfoil at the angle of attack of 6 degrees and free stream Mach number of 0.6 is ______ (round off to two decimal places).
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A low speed uniform flow
is incident on an airfoil of chord
. In the figure, the velocity profile some distance downstream of the airfoil is idealized as shown for section B. The static pressure at sections A and B is the same. The drag coefficient of the airfoil is ______ (round off to three decimal places). 
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