steam flow
41Recovery boiler — is the part of Kraft process of pulping where chemicals for white liquor are recovered and reformed from black liquor. In the process lignin of the wood, bound in black liquor at this phase, is burned and heat generated. The heat is usually used… …
42Pressurized water reactor — (PWRs) (also VVER if of Russian design) are generation II nuclear power reactors that use ordinary water under high pressure (superheated water) as coolant and neutron moderator. The primary coolant loop is kept under high pressure to prevent the …
43André Chapelon — Infobox Person name = André Chapelon caption = birth date = birth date|1892|10|26 birth place = Saint Paul en Cornillon, Loire, France death date = death date |1978|7|22| death place = André Chapelon (26 October 1892 – 22 July 1978) was a noted… …
44frozen prepared food — Introduction any of the complete meals or portions of meals that are precooked, assembled into a package, and frozen for retail sale. They are popular among consumers because they provide a diverse menu and are convenient to prepare. A… …
45Valve gear — The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle. It is sometimes referred to as the… …
46History of the petroleum industry in Canada — The Canadian petroleum industry arose in parallel with that of the United States. Because of Canada s unique geography, geology, resources and patterns of settlement, however, it developed in quite different ways. The evolution of the petroleum… …
47Railway air brake — Piping diagram from 1920 of a Westinghouse E T Air Brake system on a locomotive …
48Victorian Railways J class — Infobox Locomotive name = Victorian Railways J class caption = Victorian Railways photograph of coal fired J 503 powertype = steam data for = Victorian Railways J class builder = flagicon|United Kingdom Vulcan Foundry whytetype = 2 8 0 numinclass …
49control system — Means by which a set of variable quantities is held constant or caused to vary in a prescribed way. Control systems are intimately related to the concept of automation but have an ancient history. Roman engineers maintained water levels in… …
50A2W reactor — The A2W reactor is a naval reactor used by the United States Navy to provide electricity generation and propulsion on warships. The A2W designation stands for:* A = Aircraft carrier platform * 2 = Second generation core designed by the contractor …
