Science & Tech by Kumar Manish
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Shanan hydropower project, the British-era 110-MW hydel project was in the news recently. It is located in:
Prime Minister Narendra Modi laid the foundation stone of the second rocket launchport of the Indian Space Research Organisation (ISRO) at Kulasekarapattinam.
It is situated at a geographically advantageous location in coastal Tamil Nadu's Thoothukudi district.
It will be extensively and exclusively used for commercial, on-demand, and small satellite launches in the future.
To ensure that ISRO's first launchport, the Satish Dhawan Space Centre (SDSC) SHAR in Sriharikota, is not overwhelmed with too many launches, the space agency has opted to construct another facility.
SHAR will be only used for launching bigger and heavy-lift-off missions, the Kulasekarapattinam launchport will be used to launch smaller payloads.
The place Kulasekarapattinam was in the news. It is associated with:
Recently, the Indian Navy
commissioned INS Jatayu at which of the following places?
With reference to the Agni-5 missiles, consider the following statements:
Select the correct statement with reference to 'Foot rot' which was recently seen in news:
With reference to the Multiple Independently Targetable Re-entry Vehicle technology. Select the correct statement:
Anaerobic digestion is a process by which the complex organic matter in dung is broken down in the absence of oxygen to produce biogas.
The digestion involves four successive stages:
(i) Hydrolysis (break-down of organic matter into simple molecules),
(il) Acidogenesis (their conversion into volatile fatty acids),
(iii) Acetogenesis (production of acetic acid, CO2 and hydrogen)
(iv) Methanogenesis (biogas generation).
Consider the following:
1. Acetogenesis
2. Methanogenesis 3. Acidogenesis 4. Hydrolysis What is the correct chronological order of these stages in biogas generation?
With reference to the Ramsar Convention on Wetlands, choose the correct statement:
With reference to the Convention on Migratory Species (CMS), which of the following statements is NOT correct?
The new annual State of the Climate report by the World Meteorological Organisation (WMO) found that 2023 was the hottest year on record.
How many of the following factors are responsible?
The term Pushpak was in news with reference to the Indian Space Research Organisation. It is associated with:
Which of the following statements is not correct?
(UPSC CSE 2015)
The Ministry of New and Renewable Energy (MNRE) has established a Rs-496-crore (until 2025-26) initiative to fund pilot projects that would either test the viability of green hydrogen as a car fuel or construct secure supporting infrastructure such as refuelling facilities.
The main goals of the MNRE plan, whose guidelines were announced in February, are
(i) Validation of technical feasibility and performance of green hydrogen as a transportation fuel,
(ii) Evaluation of the economic viability of green hydrogen-powered vehicles, and
(Iii) Demonstration of safe operation of hydrogen-powered vehicles and refuelling stations.
With reference to the hydrogen fuel cell electric vehicle (FCEV), which of the following statement is correct:
