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 68.
Σελίδα 5
... obtained by prefixing to the names of the principal units the Greek words deca ( 10 ) , hecto ( 100 ) , and kilo ( 1,000 ) ; the submulti- ples , or divisions , are obtained by prefixing the Latin words deci ( ) , centi ( b ) , and ...
... obtained by prefixing to the names of the principal units the Greek words deca ( 10 ) , hecto ( 100 ) , and kilo ( 1,000 ) ; the submulti- ples , or divisions , are obtained by prefixing the Latin words deci ( ) , centi ( b ) , and ...
Σελίδα 26
... obtained approximately by subtracting 32 ° from the temperature in column 2. If the specific heat of water were exactly 1.00 , it would , of course , take exactly 212-32 180 B. T. U. to raise a pound of water from 32 ° to 2120. But ...
... obtained approximately by subtracting 32 ° from the temperature in column 2. If the specific heat of water were exactly 1.00 , it would , of course , take exactly 212-32 180 B. T. U. to raise a pound of water from 32 ° to 2120. But ...
Σελίδα 27
... obtained by dividing 62.425 , the weight of a cubic foot of water at 39.2o , by the numbers in column 6 . EXAMPLES ON THE USE OF THE STEAM TABLE . EXAMPLE 1. - Calculate the heat required to change 5 lb. of water at 32 ° into steam at ...
... obtained by dividing 62.425 , the weight of a cubic foot of water at 39.2o , by the numbers in column 6 . EXAMPLES ON THE USE OF THE STEAM TABLE . EXAMPLE 1. - Calculate the heat required to change 5 lb. of water at 32 ° into steam at ...
Σελίδα 34
... obtaining the mantissas of logarithms , tables of logarithms have been calculated , some of which are very elaborate and convenient . In the Table of Logarithms , the mantissas of the logarithms of numbers from 1 to 9,999 are given to ...
... obtaining the mantissas of logarithms , tables of logarithms have been calculated , some of which are very elaborate and convenient . In the Table of Logarithms , the mantissas of the logarithms of numbers from 1 to 9,999 are given to ...
Σελίδα 37
... obtaining 49,707 + 8.4 = 49,715.4 . Now , since 4 is less than 5 , we reject it , and obtain for our complete mantissa .49715 . Since the characteristic of the logarithm of 31,416 is 4 , log 31,416 = 4.49715 . EXAMPLE . - Find log ...
... obtaining 49,707 + 8.4 = 49,715.4 . Now , since 4 is less than 5 , we reject it , and obtain for our complete mantissa .49715 . Since the characteristic of the logarithm of 31,416 is 4 , log 31,416 = 4.49715 . EXAMPLE . - Find log ...
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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...