Current Affairs - International - Discussion
Discussion Forum : International - Latest Current Affairs (Q.No. 1040)
1040.
Which country has recently built the world's first hypersonic wind tunnel 'JF-22'?
Answer: Option
Explanation:
Chinese scientists have built the world's largest ultra-high-speed wind tunnel 'JF-22'. The tunnel can reach speeds of 7.14 miles per second (2.5 to 11.5 km/s), or Mach 33. It is 80 cm wide and twice as large as the earlier designs.
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