UPSC NOTES & CURRENT AFFAIRS

2021-07-26 16:30:08 Target 140 + Revision Series

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Notes
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2021-07-25 17:30:09 ︎S&T - 20

■ SOLID FUEL DUCTED RAMJET (SFDR) TECHNOLOGY.

#Defencetech #GS3

Tested by Defence Research and Development Organisation (DRDO) recently.

□ ABOUT :-

◇ The successful demonstration of the technology has provided the DRDO with a technological advantage that will enable the agency to develop long-range air-to-air missiles.

□ BENEFITS :-

◇ Ramjet powered missiles provide greater range and a higher average speed compared to missiles powered by solid propellants.

◇ Ramjet missiles use atmospheric oxygen rather than including an oxidizer as part of the solid motor.

◇ Ramjet missiles can also carry a bigger warhead as they do not have to carry an oxidizer.

︎SOURCE - THE HINDU.

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2021-07-25 16:30:04 Back With a Bang !!! - On Students Demand

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2021-07-24 17:30:02 ︎S&T - 19

■ ARJUN MAIN BATTLE TANK.(MK-1A)

#Defencetech #GS3

◇ The Arjun Main Battle Tank project was initiated by DRDO in 1972 with the Combat Vehicles Research and Development Establishment (CVRDE) as its lead laboratory.

◇ The Arjun tanks stand out for their ‘Fin Stabilised Armour Piercing Discarding Sabot (FSAPDS)’ ammunition and 120-mm calibre rifled gun.

◇ It also has a computer-controlled integrated fire control system with stabilised sighting that works in all lighting conditions.


︎SOURCE - THE INDIAN EXPRESS.

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2021-07-24 16:30:07 Back With a Bang !!! - On Students Demand

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2021-07-23 17:30:03 ︎S&T - 18

■ TECHNICAL EDUCATION QUALITY IMPROVEMENT PROGRAMME.

#Governmentinitiative #GS3

□ ABOUT :-

◇ In the year 2002, the ministry of Human Resource and Development (now Ministry of Education) launched the TEQIP scheme.

◇ The project commenced with the World Bank assistance.

◇ Programme aims to overhaul the quality of technical education in the Low Income States and Special Category States (SCS) in India.

□ MEASURES INCLUDE :-

◇ Institution based : accreditation of the courses through National Board of Accreditation (NBA), governance reforms, improving the processes, digital initiatives, securing autonomy for the colleges.

◇ Student based : improving the quality of teaching, teacher training, equipping the class rooms, revision of syllabus, industry interaction, compulsory internships for students, training the students in industry-relevant skills, preparing them for the GATE exam etc.

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2021-07-22 17:30:04 ︎S&T - 17

■ SATAT INITIATIVE.

◇ The initiative is aimed at providing a Sustainable Alternative Towards Affordable Transportation (SATAT) as a developmental effort that would benefit both vehicle-users as well as farmers and entrepreneurs.

◇ Compressed Bio-Gas plants are proposed to be set up mainly through independent entrepreneurs.

□ WHAT IS BIO - GAS ?

◇ Bio-gas is produced naturally through a process of anaerobic decomposition from waste / biomass sources like agriculture residue, cattle dung, sugarcane press mud, municipal solid waste, sewage treatment plant waste, etc. After purification, it is compressed and called CBG, which has pure methane content of over 95%.

□ WHAT IS COMPRESSED BIO GAS ?

◇ Compressed Bio-Gas is exactly similar to the commercially available natural gas in its composition and energy potential. With calorific value and other properties similar to CNG, Compressed Bio-Gas can be used as an alternative, renewable automotive fuel.

︎SOURCE - PIB

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2021-07-21 17:30:07 ︎S&T - 16

■ NATIONAL HYDROGEN MISSION.

#Governmentinitiative #GS3

Finance Minister in the Union budget for 2020-21 formally announced the NHM which aims for generation of hydrogen from green power resources.

□ CHALLENGES FOR INDIA :-

◇ Economic sustainability of extracting green or blue hydrogen.

◇ Hydrogen fuel cell technology is at nascent stage and is expensive which increases the cost of production of hydrogen.

◇ The maintenance costs for fuel cells post-completion of a plant can be costly, like in South Korea.

◇ The commercial usage of hydrogen as a fuel and in industries requires mammoth investment in R&D of such technology and infrastructure for production, storage, transportation and demand creation for hydrogen.

□ WHAT IS HYDROGEN FUEL ?

◇ Hydrogen is the lightest and first element on the periodic table. Since the weight of hydrogen is less than air, it rises in the atmosphere and is therefore rarely found in its pure form, H2.

︎SOURCE - THE INDIAN EXPRESS.

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