BNR Class NM
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BNR Class NM
The Bengal Nagpur Railway class NM was a class of ten 4-8-0+0-8-4 Garratt locomotives manufactured by Beyer, Peacock & Company in England. This was modified N class Garratt. It had Thermic siphon and arch tubes for better performance. It worked on the Bilaspur- Katni line and Anuppur-Chirmiri Chirmiri is a hill station city and a Municipal Corporation in the Manendragarh-Chirmiri-Bharatpur district in the Indian state of Chhattisgarh. It was a part of Koriya district until 15 August 2021 when the separate Manendragarh-Chirmiri-Bharat ... branch line for hauling coal. Probably because of Poppet valves, they retired early. References {{Broad gauge locomotives of India , state=collapsed Steam locomotives of India 5 ft 6 in gauge locomotives Beyer, Peacock locomotives Railway locomotives introduced in 1931 Garratt locomotives 4-8-0+0-8-4 locomotives ...
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Beyer, Peacock & Company
Beyer, Peacock and Company was an English railway locomotive manufacturer with a factory in Openshaw, Manchester. Founded by Charles Beyer, Richard Peacock and Henry Robertson, it traded from 1854 until 1966. The company exported locomotives, and machine tools to service them, throughout the world. Founders German-born Charles Beyer had undertaken engineering training related to cotton milling in Dresden before moving to England in 1831 aged 21. He secured employment as a draughtsman at Sharp, Roberts and Company's Atlas works in central Manchester, which manufactured cotton mill machinery and had just started building locomotives for the Liverpool and Manchester Railway. There he was mentored by head engineer and prolific inventor of cotton mill machinery, Richard Roberts. By the time he resigned 22 years later he was well established as the company's head engineer; he had been involved in producing more than 600 locomotives. Richard Peacock had been chief engineer of the Ma ...
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Bilaspur, Chhattisgarh
Bilaspur, also known as "The City of Festivals", is a city located in Bilaspur District in the Indian state of Chhattisgarh. Bilaspur is the Administrative headquarters of the Bilaspur District and Bilaspur Division. The Chhattisgarh High Court, located at Bodri, District Bilaspur has privileged it with the title ''Nyayadhani'' (Law Capital) of the State. This city is the commercial center and business hub of North East Chhattisgarh region. It is also an important city for the Indian Railways, as it is the headquarters for South East Central Railway Zone (SECR) and the Bilaspur Railway Division. Bilaspur is also the headquarters of South Eastern Coalfields Limited. Chhattisgarh biggest power plant operated by NTPC is in Sipat. PowerGrid in Sipat pools electricity from other power plants in region and transmits electricity to Delhi via one of longest HVDC line. Bilaspur is known for its aromatic rice variety named ‘Doobraj’ rice, Handloom woven colourful soft Kosa sil ...
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Railway Locomotives Introduced In 1931
Rail transport (also known as train transport) is a means of transport that transfers passengers and goods on wheeled vehicles running on rails, which are incorporated in tracks. In contrast to road transport, where the vehicles run on a prepared flat surface, rail vehicles (rolling stock) are directionally guided by the tracks on which they run. Tracks usually consist of steel rails, installed on sleepers (ties) set in ballast, on which the rolling stock, usually fitted with metal wheels, moves. Other variations are also possible, such as "slab track", in which the rails are fastened to a concrete foundation resting on a prepared subsurface. Rolling stock in a rail transport system generally encounters lower frictional resistance than rubber-tyred road vehicles, so passenger and freight cars (carriages and wagons) can be coupled into longer trains. The operation is carried out by a railway company, providing transport between train stations or freight customer facil ...
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5 Ft 6 In Gauge Locomotives
5 (five) is a number, numeral and digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number. It has attained significance throughout history in part because typical humans have five digits on each hand. In mathematics 5 is the third smallest prime number, and the second super-prime. It is the first safe prime, the first good prime, the first balanced prime, and the first of three known Wilson primes. Five is the second Fermat prime and the third Mersenne prime exponent, as well as the third Catalan number, and the third Sophie Germain prime. Notably, 5 is equal to the sum of the ''only'' consecutive primes, 2 + 3, and is the only number that is part of more than one pair of twin primes, ( 3, 5) and (5, 7). It is also a sexy prime with the fifth prime number and first prime repunit, 11. Five is the third factorial prime, an alternating factorial, and an Eisenstein prime with no imaginary part and real part of the form 3p ...
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Steam Locomotives Of India
Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization. Steam that is saturated or superheated is invisible; however, "steam" often refers to wet steam, the visible mist or aerosol of water droplets formed as water vapor condenses. Water increases in volume by 1,700 times at standard temperature and pressure; this change in volume can be converted into mechanical work by steam engines such as reciprocating piston type engines and steam turbines, which are a sub-group of steam engines. Piston type steam engines played a central role in the Industrial Revolution and modern steam turbines are used to generate more than 80% of the world's electricity. If liquid water comes in contact with a very hot surface or depressurizes quickly below its vapor pressure, it can create a steam explosion. ...
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Chirmiri
Chirmiri is a hill station city and a Municipal Corporation in the Manendragarh-Chirmiri-Bharatpur district in the Indian state of Chhattisgarh. It was a part of Koriya district until 15 August 2021 when the separate Manendragarh-Chirmiri-Bharatpur district was created. It is famously known for its coal extraction as the area is rich in coal. Chirimiri is referred to as the ‘Heaven/Jannat of Chhattisgarh’. The lush greenery, mountains and rivers make it a perfect getaway destination for anyone looking to relax. This scenic town is also known for its coal mines. There are several temples and other notable places that are famous among tourists. Chirimiri is well connected to major cities via rail and road. Chirimiri is situated at an altitude of 579 m above sea level. It lies along the bank of Hasdeo River. The river is one of the most prominent tributaries of the Mahanadi River. The weather is pleasant all year round, and there are dense forests in the region which houses ...
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Anuppur
Anuppur is a City in northeastern Madhya Pradesh state of central India. It is the administrative headquarters of the Anuppur tehsil and Anuppur District. Previously, it was in Shahdol district. Geography Anuppur is located at . It has an average elevation of 505 metres (1,656 feet). The Son River and some of its tributaries run through Anuppur. According to 2001 Census, the total population of Anuppur District is 667155, out of which 309624 are Scheduled tribes and 48376 are Scheduled castes. In this manner, Anuppur District is a tribal dominated district. Kotma is the largest city/town and Municipality in Anuppur district. Demographics India census A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses in ..., Anuppur district has a population of 749,521. 2001 to 2011 populati ...
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Katni
Katni officially Murwara is a city on the banks of the Katni River in Madhya Pradesh, India. It is the administrative headquarters of Katni District. It is in the Mahakoshal region of central India. The city is from the divisional headquarters of the region, Jabalpur. Demographics As of the 2011 Census of India, Murwara (Katni) municipality had a population of 221,875. Effective literacy was 87.43%; male literacy was 92.77% and female literacy was 81.64%. See also * Bahuriband * Bandhavgarh National Park * List of educational institutions in Katni {{unreferenced, date=July 2015 Universities * Maharishi Mahesh Yogi Vedic University Schools *H.D Memorial Higher Secondary School, Katni * KCS girls school katni, Katni * St. Paul's Senior Secondary School, Katni * Sadhuram school Katni, Ka ... References External links Katni government website {{Cities and towns of Mahakoshal Tehsil in Katni Cities and towns in Katni district Cities in Madhya Pradesh
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Thermic Siphon
Thermic siphons (alt. thermic syphons) are heat-exchanging elements in the firebox or combustion chamber of some steam boiler and steam locomotive designs. As they are directly exposed to the radiant heat of combustion, they have a high evaporative capacity relative to their size. By arranging them near-vertically, they also have good water circulation by means of the thermosyphon effect. History The concept of a self-circulating thermic syphon began with stationary boilers and relatively simple Galloway tubes. They reached their peak in steam locomotive boilers, where the complexity of a syphon was justified by the need for a compact and lightweight means of increasing boiler capacity. One of the best-known forms for locomotives was invented by the English locomotive engineer who received a US patent. The Nicholson form combined a complex shape that provided more heating area in a given space than did the earlier tubes and funnels, yet was simple to make, being folded from ...
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4-8-0+0-8-4
Under the Whyte notation for the classification of steam locomotives by wheel arrangement, the is a Garratt articulated locomotive. The wheel arrangement is effectively two 4-8-0 locomotives operating back to back, with the boiler and cab suspended between the two engine units. Each engine unit has two pairs of leading wheels in a leading bogie, followed by four coupled pairs of driving wheels and no trailing wheels. Since the 4-8-0 type is known as a Mastodon type, the corresponding Garratt type would be referred to as a Double Mastodon. A similar wheel arrangement exists for the Union Pacific Big Boy, but is referred to as 4-8-8-4 since only the front engine unit swivels. Overview The was the fifth rarest Garratt wheel arrangement, with a total of 26 locomotives constructed. Usage All the 4-8-0+0-8-4 Garratts were built by Beyer, Peacock & Company for the gauge Bengal Nagpur Railway in India. The first 16 were designated Class N and were delivered in 1929, while 10 mor ...
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Garratt
A Garratt (often referred to as a Beyer Garratt) is a type of steam locomotive invented by British engineer Herbert William Garratt that is articulated into three parts. Its boiler, firebox, and cab are mounted on a centre frame or "bridge". The two other parts, one at each end, have a pivot to support the central frame; they consist of a steam engine unit – with driving wheels, trailing wheels, valve gear, and cylinders, and above it, fuel and/or water storage. Articulation permits locomotives to negotiate curves that might restrict large rigid-framed locomotives. The design also provides more driving wheels per unit of locomotive weight, permitting operation on lightly engineered track. Garratt locomotives produced as much as twice the power output of the largest conventional locomotives of railways that introduced them, reducing the need for multiple locomotives and crews. Advantages of the Garratt concept The principal benefit of the Garratt design is that the boil ...
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