Question: For which of the following mission, on July 14, 2021, ISRO has successfully conducted the third long duration hot test of the liquid propellant Vikas Engine?
a) Chandrayaan-3
b) Mangalyaan-2
c) Gaganyaan
d) None of these
Answer: (c)
Related Facts:-
- On July 14, 2021, ISRO has successfully conducted the third long duration hot test of the liquid propellant Vikas Engine.
- This test was done for the core L110 liquid stage of the human rated GSLV MkIII vehicle of ISRO.
- It was as the part of the engine qualification requirements for the Gaganyaan Programme.
- The engine was fired for the duration of 240 seconds at the engine test facility of ISRO Propulsion Complex (IPRC), Mahendragiri in Tamil Nadu.
- The performance of the engine met the test objectives during the entire duration of the test.
- Scientists at the test complex were fully satisfied that the engine parameters were closely matching with the predictions.
- It should be known that Isro’s GSLV Mk III in past successfully carried the Chandrayaan-2 mission to space in its first operational flight.
- GSLV Mk III has three stages the two solid S200 boosters fired at the launch, the core L110 liquid stage, and the upper C-25 cryogenic stage.
- The liquid L110 stage uses a twin liquid engine configuration with 115 tonnes of liquid propellant.
- The C25 Cryogenic upper stage is configured with the fully indigenous high thrust cryogenic engine (CE20) with a propellant loading of 28 tons.
- The objective of the Gaganyaan programme is to demonstrate the capability to send humans to low earth orbit onboard an Indian launch vehicle and bring them back to earth.
Links:-
https://www.isro.gov.in/update/14-jul-2021/third-successful-vikas-engine-long-duration-hot-test-gaganyaan-program
https://www.hindustantimes.com/india-news/isro-successfully-tests-engine-for-its-manned-gaganyaan-mission-101626287580546.html