రైల్వే మహా యజ్ఞం 12 Hrs LIVE MARATHON SESSION | GEOGRAPHY & HISTORY MOST EXPECTED QUESTIONS | IACE

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రైల్వే మహా యజ్ఞం 12 Hrs MEGA Marathon GEOGRAPHY SESSION-3 PDF: t.me/IACE4GovtJobs/4174 | HISTORY SESSION-3 PDF: t.me/IACE4GovtJobs/4175

[@nareshchakali1382]

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[@sriganeshruttala8927]

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[@kalyanyadav179]

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[@mass2851]

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[@sumitra1]

Fold mountains are formed mainly by the effects of folding on layers within the upper part of the Earth's crust. This geological process happens over very long periods, where the tectonic plates that make up Earth's outer shell move towards each other and their edges are forced to buckle and fold due to the immense pressure and temperatures involved. Some of the key points about fold mountains are: 1. **Formation**: Fold mountains are typically formed from sedimentary rocks that accumulate along the margins of continental plates. When these sediments are compressed by the converging tectonic plates, they gradually fold and uplift to form mountain ranges. 2. **Characteristics**: These mountains are known for their folded appearance with a series of ridges and valleys. They usually have complex structures including anticlines (the ridges or "up-folds") and synclines (the valleys or "down-folds"). 3. **Ages**: Fold mountains can be classified by their age. The Young Fold Mountains have sharp features and high peaks like the Himalayas, while Old Fold Mountains have been eroded down to lower profiles, like the Appalachian Mountains. 4. **Examples**: - **The Himalayas**: Stretching across northern India, Pakistan, Nepal, Bhutan, and China, they are among the youngest and tallest fold mountains formed by the collision of the Indian and Eurasian plates. - **The Alps**: Extending through several countries in Europe, they were formed by the collision between the African and Eurasian plates. - **The Andes**: Located along the western edge of South America, they were formed by the subduction of the Nazca plate beneath the South American plate. - **The Rockies**: In North America, this mountain range was formed by the subduction of the Pacific plate beneath the North American plate. - **The Appalachian Mountains**: An older range on the eastern side of North America that has been heavily eroded over time. 5. **Economic Significance**: Fold mountains are often rich in minerals and their rivers can provide hydroelectric power. They are also important for tourism and often contain rich, fertile valleys which are good for agriculture. 6. **Orogenesis**: The process of mountain building is called orogenesis. It usually includes folding, volcanic activity, and metamorphism (transformation of rocks due to heat and pressure). Fold mountains are the most common type of mountain in the world and represent some of Earth's most dramatic and beautiful natural features. They also play a critical role in Earth's climate, biomes, and human culture and settlement.

[@darlachanel219]

Chaala clear ga chepputhunnaru

[@jakkulamadhavi1067]

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[@IACE-BestInstituteForCompetiti]

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[@manikantavadla1237]

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[@rishimuggulu1582]

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[@sumitra1]

One famous example that was known for its leisurely pace was the "Mettupalayam Ooty Nilgiri Passenger" train, which is more popularly known as the Nilgiri Mountain Railway. It runs on a meter-gauge track and is one of the oldest mountain railways in India. However, it is slow due to the steep gradient it has to negotiate and not because of inefficiency or the state of the railways. Its average speed is around 10-15 kilometers per hour due to the technical constraints of its mountain track. There was also the "Shakuntala Express," a mixed passenger-cum-goods train running on a narrow-gauge line, which belonged to a British firm until 2015, and was famed for its slow speed. In India, slow train speeds can be due to various factors, such as the condition of the track, the type of terrain they cover (especially in hilly or mountainous areas), and the engine's pulling power. The speed of trains on the vast network of Indian Railways can vary greatly, from these slow locals and heritage trains to the faster express and superfast services. For the most current information about the slowest train in India, you would want to refer to recent timetables or data from the Indian Railways.

[@sumitra1]

Trivia edit Longest-running Currently, the longest route of a slow passenger train running in India is Tatanagar-Itwari Passenger (numbered 58111/58112) with a record distance of 887 km (551 mi) with an average speed of 35 km/h (22 mph).[16] Whereas, the longest route of a fast passenger train running in India is Howrah-Rajgir Fast Passenger (numbered 53043/53044) with a record distance of 658 km (409 mi) with an average speed of 28 km/h (17 mph).[17] Whereas after the second conversion of Slow Passenger train into DEMU, on 18 July 2018, the Guntur-Kacheguda DEMU via Dhone (with numbered 77281 / 77282) becomes the longest distance traveling DEMU train in India with a record distance of 623 km (387 mi) with an average speed of 35 km/h (22 mph).[18] Before that, the first conversion of Slow Passenger train into DEMU, was on 1 October 2015, the Jodhpur-Hisar DEMU (with numbered 74835/74836) becomes the second-longest DEMU train running in India with the recorded length of 470 km (290 mi) with an average speed of 38 km/h (24 mph).[19] And currently, the longest route running MEMU train in India is Asansol-Varanasi MEMU (numbered 63553/63554) with a record distance of 481 km (299 mi) with an average speed of 31 km/h (19 mph).[20] Shortest-running Currently, the shortest route of a slow passenger train in India is Barkakana-Sidhwar Passenger (numbered 53375 / 53376) with a record distance of 6 km (3.7 mi) with an average speed of 18 km/h (11 mph).[21] The shortest route of DEMU train in India is Garhi Harsaru-Farrukhnagar DEMU (numbered 74031/34 & 74035/38) with a record distance of 11 km (6.8 mi) with an average speed of 27 km/h (17 mph).[22] The shortest route of MEMU train in India is Jasidih-Baidyanathdham MEMU (numbered 63153/63154) with a record distance of 6 km (3.7 mi) with an average speed of 19 km/h (12 mph).[23]

[@darlachanel219]

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[@IACE-BestInstituteForCompetiti]

Thanks a lot

[@bhanuprasadchintu1659]

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[@kamaltendulkar2753]

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[@gutalasrujini5843]

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[@banothusaidanayak7869]

B

[@satyanarayanagadde9893]

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[@patelAR]

savarkar

[@ycpullanna1197]

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A

[@patelAR]

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[@nithishjos]

then y r u not answering the simple questions in this session 😅

[@patelAR]

bombay

[@patelAR]

1921

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Slowest train in India kakinada to tirupati passenger 🛳️

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Peninsula

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[@sriganeshruttala8927]

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[@patelAR]

A