Easy Steps to Locomotive Engineering: A Series of Eight Easy Explanatory Lessons Covering the Construction and Operation of the Locomotive, the Qualifications and Duties of Firemen, the Automatic Airbrake, Fuel and Its Combustion, Steam Expansion and Velocity, the Locomotive Boiler, Adhesion and Tractive Power, Block Signalling

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Educational Deptartment of the American Journal of Railways and Railroading, 1912 - Locomotives - 167 pages
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Page 36 - The Specific Heat of a body signifies its capacity for heat or the quantity of heat required to raise the temperature of the body one degree Fahrenheit, compared with that required to raise the temperature of an equal weight of water one degree.
Page 13 - BTU, or heat units sufficient to raise 85 pounds of water from the tank temperature to the boiling point.
Page 77 - Home signal to indicate that the Home signal may be at "Stop" when the distant signal is at " Caution ' ' or that the Home signal is clear when the distant signal is clear.
Page 9 - BTU coal; or, a locomotive designed for a certain rate of working with a grate area intended for the use of 10,000 BTU coal at a combustion rate of 100...
Page 64 - A distant signal is a fixed signal, used in connection with a home signal to indicate that the home signal may be at " stop " when the distant signal is at "caution, " or that the home signal is clear when the distant signal is clear.
Page 64 - ... the use of a block. HOME BLOCK SIGNAL. — A fixed signal at the entrance of a block, to control trains in entering and using said block.
Page 12 - In some cases the same elements will combine in different proportions to form different kinds of products. If the supply of air is so liberal that there is abundance of oxygen for the burning fuel, the carbon will unite in the...
Page 65 - Controlled manual block system. — A series of consecutive blocks governed by block signals, controlled by continuous track circuits, operated manually upon information by telegraph, telephone or other means of communication...
Page 51 - The answers will be found in the preceding text under corresponding paragraph numbers. 1. What are the principal causes of carrying water from the boiler into the cylinders?
Page 12 - ... properties. 22. While elements unite in certain fixed proportions, under certain conditions they will unite in different proportions, but in cases of this kind the products themselves are different. If the air admitted to the firebox is liberal in quantity, meaning an abundance of oxygen for combustion, the carbon will unite in the proportion of 12 parts by weight with 32 parts by weight of oxygen, and the combination is carbon dioxide, which is an intensely hot gas of great value in steam-making....

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