Recently, the Rolls-Royce successfully tests hydrogen-powered jet engine. In this context, which of the following are the benefits of Hydrogen Internal Combustion Engine (ICE)?

1. Near zero-carbon fuel
2. Greater thermal efficiency than hydrocarbon fuel engines
3. Ability to operate with lower grade hydrogen

Select the correct answer using the codes given below:

With reference to developments in Indian space sector, consider the following statements:

1. Chennai-based space tech startup Agnikul Cosmos has launched India’s first private launchpad.
2. The Agnilet rocket is a semi-cryogenic engine that uses a mixture of liquid kerosene and supercold liquid oxygen to propel itself.
3. Agnibaan is a two-stage launch vehicle of ISRO that is capable of taking payloads of up to 1000 kilograms to a low-earth orbit.

Which of the statements given above are correct?

Fujiwhara Effect, recently in news, is associated with:

Recently, SARAS 3 has provided clues to the nature of the Universe’s first stars and galaxies. With reference to SARAS 3, consider the following statements:

1. SARAS 3 is a radio telescope deployed over Dandiganahalli Lake and Sharavathi backwaters.
2. The telescope has been developed indigenously by the Raman Research Institute.

Which of the statements given above is/are correct?

With reference to recent volcanic eruptions, consider the following pairs:

   Volcano         Country

1. Mauna Loa  -  USA
2. Mount Semeru  -  Italy
3. Fukutoku-Okanoba  -  Japan

Which of the pairs given above is/are correctly matched?