Coal Miners' Pocketbook: Formerly The Coal and Metal Miners' Pocketbook; Principles, Rules, Formulas and TablesMcGraw-Hill Book Company, Incorporated, 1916 - 1172 páginas |
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Página v
... contains the best formulas for calculating the heating values of coals from their proximate and ultimate analyses , as well as very complete tables of analyses of American and foreign coals . The notes upon Prospecting include the newer ...
... contains the best formulas for calculating the heating values of coals from their proximate and ultimate analyses , as well as very complete tables of analyses of American and foreign coals . The notes upon Prospecting include the newer ...
Página 3
... contains 1 A. Squares of 100 sq . ft . or of 1 sq . yd . are used in estimating various kinds of work , such as roofing , lathing , plastering , etc. It is advisable to specify the size of the square in all contracts . SURVEYOR'S SQUARE ...
... contains 1 A. Squares of 100 sq . ft . or of 1 sq . yd . are used in estimating various kinds of work , such as roofing , lathing , plastering , etc. It is advisable to specify the size of the square in all contracts . SURVEYOR'S SQUARE ...
Página 6
... contains [ ( 12 × 2 ) + ( 10 ) X8 = 352 cu . ft . Brickwork . - Brickwork is generally estimated by the thousand bri laid in the wall , but measurements by the cubic foot and the perch are used . When making calculations of the volume ...
... contains [ ( 12 × 2 ) + ( 10 ) X8 = 352 cu . ft . Brickwork . - Brickwork is generally estimated by the thousand bri laid in the wall , but measurements by the cubic foot and the perch are used . When making calculations of the volume ...
Página 7
... contains 1 bbl . In approximate calculations , I cu . ft . of water may be considered equal to 7 gal . , and 1 gal ... contain the given measures very closely : Diam . Height Inches Inches Diam . Height Inches Inches Gill . Pint . 3 3 3 ...
... contains 1 bbl . In approximate calculations , I cu . ft . of water may be considered equal to 7 gal . , and 1 gal ... contain the given measures very closely : Diam . Height Inches Inches Diam . Height Inches Inches Gill . Pint . 3 3 3 ...
Página 8
... contains 1 pt .; one 4.066 in . on an edge , one 6.454 in . on an edge , 1 gal .; one 8.131 in . on an edge , 1 pk .; and one 1 in . on an edge , 1 bu . The capacity of a cylinder in U. S. bushels = square of diameter in i Xheight in ...
... contains 1 pt .; one 4.066 in . on an edge , one 6.454 in . on an edge , 1 gal .; one 8.131 in . on an edge , 1 pk .; and one 1 in . on an edge , 1 bu . The capacity of a cylinder in U. S. bushels = square of diameter in i Xheight in ...
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Otras ediciones - Ver todas
Coal Miners' Pocketbook, Formerly the Coal and Metal Miners' Pocketbook ... Thomas J. Foster Sin vista previa disponible - 2012 |
Términos y frases comunes
amount angle anthracite armature average beam bending bituminous coal boiler bottom British thermal units carbon cars cement center of gravity circuit coal coke column combustion compression concrete cubic curve cylinder diameter distance drill driven electromotive force elevation engine entry equal factor of safety feet formula friction frog fuel gauge given grade haulage head heat hoisting rope holes horizontal horsepower Inches iron length lime load lubrication mantissa material mean effective pressure measured method mines mixture moment of inertia mortar motor obtained pillars pipe piston placed plumb-bob Portland cement Pounds pressure pulley pump radius rail resistance sand seam shaft shear sheaves shown in Fig side slope specific gravity square station steam steel strands strength stress surface switch tangent temperature tests thickness timber track usually valve vertical weight wire
Pasajes populares
Página 3 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.
Página 456 - Z is the space between the piston and the cylinder head (when the piston is at the end of the stroke), toi,-i 8 gether with the volume of the steam ports.
Página 412 - Pi = pressure of steam at discharge, in pounds per square inch; L = length of pipe, in feet; d = diameter of pipe, in inches. In...
Página 204 - This term is applied to the finely pulverized product resulting from the calcination to incipient fusion of an intimate mixture of properly proportioned argillaceous and calcareous materials, and to which no addition greater than 3 per cent has been made subsequent to calcination.
Página 6 - Cubic Measure 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Página 34 - Rule. — Divide the logarithm of the number by the index of the root; the result will be the logarithm of the root.
Página 36 - If two triangles have two sides, and the included angle of the one equal to two sides and the included angle of the other, each to each, the two triangles are equal in all respects.
Página 149 - The power multiplied by the distance through which it moves is equal to the weight multiplied by the distance through which it moves. Thus, 20 Ib.
Página 37 - The sum of the interior angles of a polygon is equal to twice as many right angles as the polygon has sides, less four right angles.
Página 303 - The pressure of a liquid on any surface immersed in it is equal to the weight of a column of the liquid whose base is the surface pressed, and whose height is the perpendicular depth of the center of gravity of the surface below the surface of the liquid.