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Which first-of-its-kind propellant-production device did ISRO unveil in February 2025?

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RRB NTPC 2025 Under Graduate CBT 2 Question Paper PDF (17-Sep-2026) (Shift 1)
The correct answer is

10‑tonne Vertical Planetary Mixer

In February 2025, ISRO unveiled a 10-tonne Vertical Planetary Mixer, a first-of-its-kind device developed indigenously for solid propellant production.

The mixer is used to blend the ingredients of solid rocket propellant uniformly, which is essential for manufacturing large solid motor segments used in launch vehicles.

It was developed by the Vikram Sarabhai Space Centre (VSSC) in collaboration with an Indian industry partner, boosting indigenous propellant manufacturing capacity.

Hence, the device unveiled was the 10-tonne Vertical Planetary Mixer.

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