Q:
Which among the following is a reason why we do not completely rely upon ground tests for analysing fluid dynamics?
Answer & Explanation
Answer: B) Facilities do not exist in all fight regimes
Explanation: Ground test facilities can be used to model three-dimensional flows also and even they produce accurate results in a less run-time. But they cannot be used to test all flight regimes as they want artificial set-up for every single property of the flow.
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