ISRO clears 200-second test of GSLV-F19 cryogenic engine – Quiz (11.11.2026)

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ISRO clears 200-second test of GSLV-F19 cryogenic engine – Quiz (11.11.2026) – 5 questions, subject: Current Affairs. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.

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1.  
Which propellant pair does the cryogenic upper-stage engine (CE-7.5) of the GSLV use?

Correct Answer: D [LH2 + LOX]

Explanation:

Hydrogen liquefies at −253°C and oxygen at −183°C; high efficiency. Kerosene + LOX is semi-cryogenic (SE2000).

2.  
Mahendragiri hill, home to the ISRO Propulsion Complex, is part of which mountain range?

Correct Answer: B [Western Ghats]

Explanation:

Southern tip of the Western Ghats, on the Tirunelveli–Kanyakumari border. Javadhu and Shevaroy are Eastern Ghats hills.

3.  
Which GSLV mission was India's first successful flight with an indigenous cryogenic stage?

Correct Answer: C [GSLV-D5]

Explanation:

GSLV-D5 – 5 Jan 2014, carrying GSAT-14. The first attempt with the indigenous stage, GSLV-D3, failed in April 2010.

4.  
Which country dropped the transfer of cryogenic technology to India in the 1990s under US pressure?

Correct Answer: C [Russia]

Explanation:

1991 Glavkosmos deal; US sanctions in 1992 citing the MTCR. Russia gave only KVD-1 stages; ISRO then built the CE-7.5.

5.  
In which orbits do the satellites of NavIC, which NVS-04 will join, operate?

Correct Answer: D [GEO and inclined GSO]

Explanation:

NavIC uses GEO and inclined GSO orbits, covering India + 1,500 km. The US GPS works in medium Earth orbit (MEO).

Score: 0 Answered: 0 / 0