The Mechanics' Handbook: A Convenient Reference Book for All Persons Interested in Mechanical Engineering, Steam Engineering, Electrical Engineering, Railroad Engineering, Hydraulic Engineering, Bridge Engineering, EtcInternational Textbook Company, 1904 - 218 σελίδες |
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Αποτελέσματα 1 - 5 από τα 36.
Σελίδα 7
... opposite it in the third column , which is headed " Feet to Meters , " the number 1.8287838 . Now , using but five digits and increasing the fifth digit by 1 ( since the next is greater than 5 ) , we get 1.8288 . In other words , 6 feet ...
... opposite it in the third column , which is headed " Feet to Meters , " the number 1.8287838 . Now , using but five digits and increasing the fifth digit by 1 ( since the next is greater than 5 ) , we get 1.8288 . In other words , 6 feet ...
Σελίδα 35
... opposite the first three figures previously found , will be the mantissa or decimal part of the logarithm . The characteristic being found as pre- viously described , write it at the left of the mantissa , and the resulting expression ...
... opposite the first three figures previously found , will be the mantissa or decimal part of the logarithm . The characteristic being found as pre- viously described , write it at the left of the mantissa , and the resulting expression ...
Σελίδα 36
... opposite the number 108 , in the left - hand column , i . e . , 03. The characteristic being 0 , log 1.073 = 0.03060 , or , more simply , .03060 . ( d ) For .06313 ; the last three figures of the mantissa are found opposite 631 , in ...
... opposite the number 108 , in the left - hand column , i . e . , 03. The characteristic being 0 , log 1.073 = 0.03060 , or , more simply , .03060 . ( d ) For .06313 ; the last three figures of the mantissa are found opposite 631 , in ...
Σελίδα 37
... opposite 381 in column headed N. The difference is 092-081 11. Look- ing in the section headed P. P. for column headed 11 , we find opposite 3 , 3.3 ; neglecting the .3 , since it is less than 5 , 3 is the amount to be added to the ...
... opposite 381 in column headed N. The difference is 092-081 11. Look- ing in the section headed P. P. for column headed 11 , we find opposite 3 , 3.3 ; neglecting the .3 , since it is less than 5 , 3 is the amount to be added to the ...
Σελίδα 38
... opposite the number corresponding to the fifth figure ( or fifth figure increased by 1 ) of the given number ( this figure is always situated at the left of the dividing line of the column ) , will be found the P. P. ( proportional part ) ...
... opposite the number corresponding to the fifth figure ( or fifth figure increased by 1 ) of the given number ( this figure is always situated at the left of the dividing line of the column ) , will be found the P. P. ( proportional part ) ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
amperes armature battery beam boiler bolts center of gravity center of percussion change gear chord deflection circle circuit column headed corresponding cubic cylinder decimal point Diam diameter difference divided draw dynamo electromotive force engine enrolled equal feet formula fraction frog distance gauge gear h given number heat Hence horsepower inertia iron lead screw Leclanché cells length mantissa mean effective pressure measured moment of inertia motor multiplied number of teeth number of threads obtained ohms P. P. TABLE perpendicular pipe piston pitch pounds pressure produce pulley quantities quotient radius radius of gyration rail resistance root rope shaft shown in Fig side significant figures square inch steam subtracted surface switch TABLE Continued tangent deflection temperature three figures tion triangle turnout curve valve velocity vertical volts weight wire wrought iron Zinc
Δημοφιλή αποσπάσματα
Σελίδα 2 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) Cubic Measure 1728 cubic inches (cu.
Σελίδα 3 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES
Σελίδα 3 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 2 - SURVEYORS' SQUARE MEASURE. 144. This measure is used by surveyors in computing the area or contents of land. TABLE. 625 Square Links (sq. 1. ) make 1 Pole P. 16 Poles " 1 Square Chain . sq. ch. 10 Square Chains " 1 Acre A. 640 Acres " 1 Square Mile . . sq. mi. 36 Square Miles (6 miles square)
Σελίδα 2 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu.
Σελίδα 6 - Measures of Capacity 10 milliliters (ml) =1 centiliter cl 10 centiliters =1 deciliter dl 10 deciliters =1 liter 1 10 liters =1 dekaliter Dl 10 dekaliters =1 hektoliter HI 10 hektoliters =1 kiloliter Kl NOTE — The liter is equal to the volume occupied by 1 cubic decimeter.
Σελίδα 25 - This is called the total heat of vaporization, or simply total heat. It is plain that the total heat is the sum of the heat of the liquid and the latent heat. That is, total heat = heat of liquid + latent heat.
Σελίδα 42 - To Divide One Number by Another, Subtract the logarithm of the divisor from the logarithm of the dividend, and obtain the antilogarithm of the difference.
Σελίδα 5 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 189 - Fig. /», the valve is shown In its extreme position at the right. The distance marked m is the maximum port opening. It matters not whether the outer edge of the valve travels beyond the inner edge of the port or falls short of it, as in the...