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The Current Affairs questions are based on sources like ‘The Hindu’, ‘Indian Express’ and ‘PIB’, which are very important sources for UPSC Prelims Exam. The questions are focused on both the concepts and facts. The topics covered here are generally different from what is being covered under ‘Daily Current Affairs/Daily News Analysis (DNA) and Daily Static Quiz’ to avoid duplication. The questions would be published from Monday to Saturday before 2 PM. One should not spend more than 10 minutes on this initiative.
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Consider the following statements regarding near isothermal forging technology, seen recently in news:
Which of the above statements is/are correct?
Solution (b)
The near isothermal forging technology to produce all the five stages of high-pressure compressors (HPC) discs out of difficult-to-deform titanium alloy using its unique 2000 MT isothermal forge press is developed by Defence Research and Development Organisation (DRDO).
This is a crucial technology for establishing self-reliance in aero engine technology. With this development, India has joined the league of limited global engine developers to have the manufacturing capabilities of such critical aero engine components.
Defence Metallurgical Research Laboratory (DMRL), a premier metallurgical laboratory of DRDO at Hyderabad, developed this forging technology by integrating various science and knowledge-based tools. The methodology adopted by DMRL is generic in nature and can be tuned to develop other similar aero engine components. The compressor discs produced using this methodology met all the requirements stipulated by the airworthiness agencies for the desired application.
Article Link: DRDO develops forging technology for aircraft engine components
Solution (b)
The near isothermal forging technology to produce all the five stages of high-pressure compressors (HPC) discs out of difficult-to-deform titanium alloy using its unique 2000 MT isothermal forge press is developed by Defence Research and Development Organisation (DRDO).
This is a crucial technology for establishing self-reliance in aero engine technology. With this development, India has joined the league of limited global engine developers to have the manufacturing capabilities of such critical aero engine components.
Defence Metallurgical Research Laboratory (DMRL), a premier metallurgical laboratory of DRDO at Hyderabad, developed this forging technology by integrating various science and knowledge-based tools. The methodology adopted by DMRL is generic in nature and can be tuned to develop other similar aero engine components. The compressor discs produced using this methodology met all the requirements stipulated by the airworthiness agencies for the desired application.
Article Link: DRDO develops forging technology for aircraft engine components
The Alpine grasslands at an altitude of 3400-4000 m in Western Himalayas are known as:
Solution (c)
Bugyals are high altitude alpine grasslands or medows in Uttarakhand (at an elevation between 3400m and 4000 m). These are referred as ‘nature’s own gardens’. The topography of the terrain is either flat or sloped. The surface of these bugyals is covered with natural green grass and seasonal flowers. They are used by tribal herdsmen to graze their cattle. During the winter season the alpine meadows remain snow- covered. Bugyals have a very fragile ecosystem.
Article Link: Uttarakhand High Court slams government over living conditions of Van Gujjars
Solution (c)
Bugyals are high altitude alpine grasslands or medows in Uttarakhand (at an elevation between 3400m and 4000 m). These are referred as ‘nature’s own gardens’. The topography of the terrain is either flat or sloped. The surface of these bugyals is covered with natural green grass and seasonal flowers. They are used by tribal herdsmen to graze their cattle. During the winter season the alpine meadows remain snow- covered. Bugyals have a very fragile ecosystem.
Article Link: Uttarakhand High Court slams government over living conditions of Van Gujjars
Which of the following regions was known as ‘Aparanta’ in ancient times:
Solution (d)
Aparanta was a geographical region of ancient India. It corresponded to the northern part of the Konkan region on the western coast of India. It was a bone of contention between the sakas and the satavahanas and is mentioned in Nasik inscription of Gautami Balasri. According to Mahavamsa, the third Buddhist council deputed Great elder Dharmarakshita to do missionary work in Aparanta region.
Article Link: Goa Statehood Day Special -Searching for Aparanta
Solution (d)
Aparanta was a geographical region of ancient India. It corresponded to the northern part of the Konkan region on the western coast of India. It was a bone of contention between the sakas and the satavahanas and is mentioned in Nasik inscription of Gautami Balasri. According to Mahavamsa, the third Buddhist council deputed Great elder Dharmarakshita to do missionary work in Aparanta region.
Article Link: Goa Statehood Day Special -Searching for Aparanta
Consider the following statements regarding Vaigai River:
Which of the above statements is/are correct?
Solution (a)
The Vaigai is a river in Tamil Nadu. It originates in Varusanadu Hills, the Periyar Plateau of the Western Gharts range. Its main tributaries are Suruliyaru, Mullaiyaru, Varaganadhi, Manjalaru, Kottagudi, Kridhumaal and Upparu. The Vaigai is 258 kilometres long and finally empties into the Palk Strait near the Pamban Bridge in Ramanathapuram district. The Vaigai presently gets about 80 per cent of its water from the Periyar dam. The balance 20 per cent is obtained from the major watershed of the Megamalai region during the northeast monsoon season.
Srivilliputhur- Megamalai Tiger Reserve exists in the main cathment area of Vaigai River. Thus the declaration of Srivilliputhur- Megamalai Tiger Reserve also gives protection ti Vaigai river from land enchroachment.
Article Link: A tiger reserve declared this year can rejuvenate Vaigai, India’s heritage river
Solution (a)
The Vaigai is a river in Tamil Nadu. It originates in Varusanadu Hills, the Periyar Plateau of the Western Gharts range. Its main tributaries are Suruliyaru, Mullaiyaru, Varaganadhi, Manjalaru, Kottagudi, Kridhumaal and Upparu. The Vaigai is 258 kilometres long and finally empties into the Palk Strait near the Pamban Bridge in Ramanathapuram district. The Vaigai presently gets about 80 per cent of its water from the Periyar dam. The balance 20 per cent is obtained from the major watershed of the Megamalai region during the northeast monsoon season.
Srivilliputhur- Megamalai Tiger Reserve exists in the main cathment area of Vaigai River. Thus the declaration of Srivilliputhur- Megamalai Tiger Reserve also gives protection ti Vaigai river from land enchroachment.
Article Link: A tiger reserve declared this year can rejuvenate Vaigai, India’s heritage river
Consider the following statements regarding Monoclonal Antibodies, seen recently in news:
Which of the above questions is/are correct?
Solution (c)
Antibodoies are the proteins produced naturally by the immune system that targets a specific foreign object (antigen). They are called monoclonal Antibodies (mAbs) when they are produced by clones derived from a single parent cell.
They are man-made protein that acts like a human antibody in the immune system. They are made by cloning a unique white blood cell or leucocytes.
Article Link: Monoclonal antibodies work well for patients with co-morbidities: AIG
Solution (c)
Antibodoies are the proteins produced naturally by the immune system that targets a specific foreign object (antigen). They are called monoclonal Antibodies (mAbs) when they are produced by clones derived from a single parent cell.
They are man-made protein that acts like a human antibody in the immune system. They are made by cloning a unique white blood cell or leucocytes.
Article Link: Monoclonal antibodies work well for patients with co-morbidities: AIG
