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With reference to the Trisonic Wind Tunnel, consider the following statements:
1. The tunnel can be used for testing various space vehicles in three flight regimes, below the speed of sound (subsonic), at the speed of sound (transonic) and above the speed of sound (supersonic).
2. The tunnel can simulate flight conditions from 0.2 times the speed of sound (68 m/s) to 4 times the speed of sound (1360 m/s).
Which of the statements given above is/are correct?
  • a)
    1 only
  • b)
    2 only
  • c)
    Both 1 and 2
  • d)
    Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
With reference to the Trisonic Wind Tunnel, consider the following sta...
The new trisonic wind tunnel at the Vikram Sarabhai Space Centre (VSSC) was inaugurated recently by conducting the first blow-down test successfully.
  • The massive structure, which can perform tests in three speed regimes, equips the Indian Space Research Organisation (ISRO) with a robust in-house support system for space missions.
  • Trisonic Wind Tunnel is a system to aid aerodynamic design of rockets and re-entry spacecrafts by characterising a scaled model by evaluating forces, moments, load distribution, unsteady pressures, acoustic levels etc.
  • The tunnel has an overall length of about 160m and has a maximum cross section of 5.4m.
  • The tunnel can be used for testing various space vehicles in three flight regimes —
    • below the speed of sound (subsonic),
    • at the speed of sound (transonic) and
    • above the speed of sound (supersonic),
  • hence the name trisonic wind tunnel
  • The tunnel can simulate flight conditions from 0.2 times the speed of sound (68 m/s) to 4 times the speed of sound (1360 m/s).
  • Its parts include air storage vessels, a settling chamber where the airflow is ‘smoothened’ out, and nozzles for releasing the air into the test section.
  • Implementation: The trisonic wind tunnel was implemented through M/s Tata Projects India Ltd with the assistance of industries across the country.
  • For years, ISRO had depended on the trisonic wind tunnel at the National Aerospace Laboratory (NAL), Bengaluru.
  • Hypersonic wind tunnel:
    • The VSSC is already equipped with a hypersonic wind tunnel for testing parameters of re-entry missions.
    • Commissioned in 2017, this tunnel can simulate flow speeds up to Mach 12.
Hence both statements are correct.
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With reference to the Trisonic Wind Tunnel, consider the following statements:1. The tunnel can be used for testing various space vehicles in three flight regimes, below the speed of sound (subsonic), at the speed of sound (transonic) and above the speed of sound (supersonic).2. The tunnel can simulate flight conditions from 0.2 times the speed of sound (68 m/s) to 4 times the speed of sound (1360 m/s).Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
Question Description
With reference to the Trisonic Wind Tunnel, consider the following statements:1. The tunnel can be used for testing various space vehicles in three flight regimes, below the speed of sound (subsonic), at the speed of sound (transonic) and above the speed of sound (supersonic).2. The tunnel can simulate flight conditions from 0.2 times the speed of sound (68 m/s) to 4 times the speed of sound (1360 m/s).Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about With reference to the Trisonic Wind Tunnel, consider the following statements:1. The tunnel can be used for testing various space vehicles in three flight regimes, below the speed of sound (subsonic), at the speed of sound (transonic) and above the speed of sound (supersonic).2. The tunnel can simulate flight conditions from 0.2 times the speed of sound (68 m/s) to 4 times the speed of sound (1360 m/s).Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With reference to the Trisonic Wind Tunnel, consider the following statements:1. The tunnel can be used for testing various space vehicles in three flight regimes, below the speed of sound (subsonic), at the speed of sound (transonic) and above the speed of sound (supersonic).2. The tunnel can simulate flight conditions from 0.2 times the speed of sound (68 m/s) to 4 times the speed of sound (1360 m/s).Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?.
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