Manual of Rules, Tables & Data for Mechanical Engineers ... |
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Common terms and phrases
actual ratio angle atmosphere average axis bars beam belts boiler breaking weight calculated carbon cast iron cent centimetre centre clearance coal coefficient coke column combustion compression condensed constant cubic feet cubic foot cubic metre cwts deflection density depth diagonal divide efficiency elastic strength engine equal evaporated Fahrenheit flange foot of grate foot-pounds force formula fuel Fuss gallons gases given horse-power hour hydrogen inches in diameter inches wide kilogramme length load logarithm MEASURES metal millimetres minute Multiply pipe piston plates pounds proportion pulleys quantity quotient radius radius of gyration ratio of expansion reduced resistance RULE second cylinder sectional area shaft specific gravity specific heat specimens square feet square foot square inch steam steel stress stroke surface temperature tensile stress tons per square total heat transverse strength tubes units of heat vapour velocity volume wheel wood wrought iron Zoll ΙΟ
Popular passages
Page 418 - A Report to the Navy Department of the United States on American Coals, Applicable to Steam Navigation, and to other purposes.
Page 127 - Thus it is a law of the nature of water that under the mean pressure of the atmosphere at the level of the sea, it boils at 212° Fahrenheit.
Page 24 - To find the area of a segment of a circle: Find the area of the sector which has the same arc, and also the area of the triangle formed by the chord of the segment and the radii of the sector.
Page 201 - Gold and silver Gold and iron Gold and lead Gold and copper Gold and iridium Gold and nickel Silver and copper Iron and bismuth Iron and antimony Iron and lead Tin and lead Tin and palladium...
Page 178 - ... still occasionally used. TURKEY. Length. — i Pike or Dra- 27 inches, divided into 24 Kerats; i Forsang = 3.116 miles, divided into 3 Berri; the Surveyor's Pik, or the Halebi = 27.9 inches; and 5}^ Halebis= i reed. Surface.— The squares of the Kerat, the Pike, and the Reed. The Feddan is an area equal to as much as a yoke of oxen can plough in a day. Capacity, Dry. — The Rottol = 1.411 quarts, contains 900 Dirhems; 22 Rottols = i Killow= 7.762 gallons, or .97 bushel, the chief measure for...
Page 27 - To twice the length of the base add the length of the edge; multiply the sum by the breadth of the base, and by one-sixth of the height.
Page 23 - ... quadrilateral figure.— Divide the quadrilateral into two triangles; the sum of the areas of the triangles is the area. Or, multiply half the product of the two diagonals by the sine of the angle at their intersection.
Page 23 - To find the area of a triangle, multiply the base by the perpendicular height, and take half the product.
Page 941 - The width of the crowns should be four times the shortest distance between the buckets. 4th. The sum of the shortest distances between the curved guides, taken near the wheel, should be equal to the interior diameter of the wheel. For...
Page 893 - ... of the inside pressure, even to the extent of a perfect vacuum. In flowing through a nozzle of the best form, the steam expands to the external pressure, and to the volume due to this pressure, so long as it is not less than 58 per cent of the internal pressure. For an external pressure of 58 per cent, and for lower percentages, the ratio of expansion is 1 to 1.624.