Marine Engineers' HandbookFrank Ward Sterling McGraw-Hill Book Company, Incorporated, 1920 - 1486 pages |
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Common terms and phrases
alloy angle antimony astern austenite bars bearings bolts bottom brass bronze carbon cast iron cementite cent centre clearance coal combustion chamber compression condenser connected copper crank curve cylinder diam diameter disc Drain efficiency elastic limit electric engine exhaust expansion fahr fire fitted formula friction fuel oil furnace fusible plugs gage gases gland governor H.P. cylinder heater heating surface holes inches increase Inlet leakage length load lubricating manganese bronze marine metal nickel nozzle operation oxide pearlite percentage pipe piston plate propeller pump ratio reciprocating engines reduced rings riveted Scotch boilers screw shaft shown in Fig specific stage steam pressure Steam Turbines steel stress stuffing box sulphur superheat Table tank temperature tensile strength Thermit thickness thrust tion tubes usually vacuum valve gear vapor velocity vessels viscosity water-tube boilers weight welding wheel zinc
Popular passages
Page 189 - It is impossible by means of inanimate material agency to derive mechanical effect from any portion of matter by cooling it below the temperature of the coldest of the surrounding objects.
Page 67 - An alloy of 80 per cent, copper, 10 per cent, tin, and 10 per cent, lead...
Page 145 - The bottom of the bar is 1/16 in. smaller in diameter than the top, to allow for draft and for the strain of pouring. The pattern shall not be rapped before withdrawing. The flask is to be rammed up with green molding sand, a little damper than usual, well mixed and put through a No. 8 sieve, with a mixture of one to twelve bituminous facing.
Page 395 - Multiply one-sixth (1-6) of the lowest tensile strength found stamped on any plate in the cylindrical shell by the thickness — expressed in inches or parts of an inch — of the thinnest plate in the. same cylindrical shell, and divide by the radius or half diameter — also expressed in inches — and the...
Page 186 - One of the radiation laws which states that the amount of energy radiated per unit time from a unit surface area of an ideal black body is proportional to the fourth power of the absolute temperature of the black body.
Page 501 - ... with the name of the manufacturer, the place where manufactured, and the number of pounds tensile strain it will bear to the sectional square inch...
Page 114 - Otherwise, the specimens shall be machined from the material as rolled ; the axis of the specimen shall be located at any point midway between the center and surface of round bars, or midway between the center and edge of flat bars, and shall be parallel to the axis of the bar.
Page 115 - BWG, a test specimen not less than 4 in. in length shall have a flange turned over at right angles to the body of the tube without cracking or showing any flaw.
Page 172 - Vise of the heat required to raise the temperature of 1 Ib of water from 32 F to 212 F at a constant atmospheric pressure.
Page 145 - Two sets of two bars shall be cast from each heat, one set from the first and the other set from the last iron going into the castings. Where the heat exceeds 20 tons, an additional set of two bars shall be cast for each 20 tons or fraction thereof above this amount.