Science & Technology MCQs

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LIGO-India is a major international collaboration. The project involves a consortium of Indian research institutions working closely with the LIGO Laboratory in the USA, which operates the existing LIGO detectors.

LIGO-India's main objective is to join the global network of gravitational-wave observatories to detect gravitational waves, improve the sky localization of sources, and enhance the overall sensitivity of the network for astrophysical observations.

The site for the LIGO-India project has been finalized in Aundha, Hingoli district, Maharashtra. This location was chosen after extensive surveys and considerations.

The 2000 kN thrust Semi-Cryogenic Engine (SCE-200) was successfully hot-tested for 6.5 seconds at the ISRO Propulsion Complex (IPRC) in Mahendragiri, Tamil Nadu, in May 2024.

The NGLV is envisioned as a cost-effective, three-stage, reusable heavy-lift launch vehicle capable of carrying payloads up to 10 tonnes to Geosynchronous Transfer Orbit (GTO) or 20 tonnes to Low Earth Orbit (LEO). Its reusability aims to significantly reduce launch costs.

ISRO's Semi-Cryogenic Engine (SCE-200) uses a combination of Liquid Oxygen (LOX) as oxidizer and refined Kerosene (ISROSENE) as fuel. This combination is more efficient and cost-effective than traditional solid or hypergolic propellants.

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