Why is aspike\" inlet a better aerodynamic design than a flat circular intake? T

Question

Why is aspike" inlet a better aerodynamic design than a flat circular intake?

The intake can block foreign object damage items

The spike produces normal shock waves instead of oblique shock waves

The spike produces oblique shock waves which increase the induced drag

The spike produces oblique shock waves which weaken the normal shock wave and reduces compressibility drag

The intake can block foreign object damage items

The spike produces normal shock waves instead of oblique shock waves

The spike produces oblique shock waves which increase the induced drag

The spike produces oblique shock waves which weaken the normal shock wave and reduces compressibility drag

Explanation / Answer

That's wrong the correct answer is D.

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