Shop Mathematics ...: Shop arithmeticMcGraw-Hill book Company, 1912 |
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Σελίδα viii
... Explanation 45. The uses of percentage 46. Efficiencies . 47. Discount 48. Classes of problems CHAPTER VII CIRCUMFERENCES OF CIRCLES : CUTTING AND GRINDING SPEEDS 44 46 47 47 48 49. Shop uses 50. Circles . 51. Formulas 51 51 52 52 ...
... Explanation 45. The uses of percentage 46. Efficiencies . 47. Discount 48. Classes of problems CHAPTER VII CIRCUMFERENCES OF CIRCLES : CUTTING AND GRINDING SPEEDS 44 46 47 47 48 49. Shop uses 50. Circles . 51. Formulas 51 51 52 52 ...
Σελίδα ix
... Explanation of the tables 86. Interpolation . 87. Roots of numbers greater than 1000 88. Cube roots of decimals 89. Square root by the table . 85 86 87 87 88 89 91 91 92 94 95 96 97 98 99 ART . CHAPTER XIII LEVERS 90. Types of machines ...
... Explanation of the tables 86. Interpolation . 87. Roots of numbers greater than 1000 88. Cube roots of decimals 89. Square root by the table . 85 86 87 87 88 89 91 91 92 94 95 96 97 98 99 ART . CHAPTER XIII LEVERS 90. Types of machines ...
Σελίδα 12
... Explanation : The sum of the whole numbers is 22 . 18 The sum of the fractions is which reduces to 8 21 Adding this to the sum of the whole numbers ( 22 ) , 1 gives 24 as the sum of the mixed numbers . Hence 4 1 we must have a bar 24 ...
... Explanation : The sum of the whole numbers is 22 . 18 The sum of the fractions is which reduces to 8 21 Adding this to the sum of the whole numbers ( 22 ) , 1 gives 24 as the sum of the mixed numbers . Hence 4 1 we must have a bar 24 ...
Σελίδα 13
... Explanation : cannot be subtracted from so we borrow 1 ( or 1 8 ' 1 ( org ) from 12 and write the minuend 119 . 8 If the minuend happens to be a whole number , borrow 1 from it and write it as a fractional part of the minuend . Then sub ...
... Explanation : cannot be subtracted from so we borrow 1 ( or 1 8 ' 1 ( org ) from 12 and write the minuend 119 . 8 If the minuend happens to be a whole number , borrow 1 from it and write it as a fractional part of the minuend . Then sub ...
Σελίδα 18
... Explanation : The numerator of the product is obtained from multiplying the numerators to- gether : 7X2-14 . The denominator of the product , in the same manner , is 8X3-24 . This 14 gives the product 24 ' which can be reduced to 7 12 ...
... Explanation : The numerator of the product is obtained from multiplying the numerators to- gether : 7X2-14 . The denominator of the product , in the same manner , is 8X3-24 . This 14 gives the product 24 ' which can be reduced to 7 12 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
allowable Answer belt bolt calculate cast iron Centigrade cents cipher circle circumference common denominator common fraction compression countershaft Cube root root Cube Square Cube cubic cutting speed cylinder decimal places decimal point diameter dimes distance divide dividend division divisor dollar driven efficiency emery wheel equal Example exerted expansion Explanation Fahrenheit feet figure foot-pounds formula gear given gives heat Hence hoist horse-power hydraulic improper fraction inclined plane large piston lathe lead screw length lever lifted lineshaft machine mean effective pressure mechanical advantage mixed number move the decimal multiply necessary numbers of teeth piece pipe PROBLEMS pull pulley pump pyrometer quotient raised ratio reduced revolutions per minute rope shaft sheave shown in Fig specific gravity Square Cube root Square Cube Square square inch square root steam engine steel stress stroke subtract tank temperature thermometer threads water pressure whole number
Δημοφιλή αποσπάσματα
Σελίδα 59 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 87 - Put another way, if you construct squares on the edges of a right-angled triangle, the area of the square on the hypotenuse is equal to the sum of the areas of the squares on the other two sides.
Σελίδα 60 - Solve by knowing that the product of the means equals the product of the extremes...
Σελίδα 7 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 37 - If there are more decimal places in the divisor than in the dividend, what do you do ? What will the figures of the quotient then be ? § 132.
Σελίδα 36 - Subtract the number of decimal places in the divisor from the number of decimal places in the dividend, and point off as many decimal places in the quotient as there are units in the remainder thus found.
Σελίδα 144 - MEP in pounds per square inch; A = area of piston in square inches; L = length of stroke in feet ; N= number of working strokes per minute.
Σελίδα 35 - To divide by 10, move the decimal point one place to the left. To divide by 100, move the decimal. point two places to the left, and so on for other powers of 10.
Σελίδα 3 - An Improper Fraction is one whose numerator is equal to, or greater than, the denominator; as, f, f.
Σελίδα 100 - No. Square Cube Square root Cube root No. Square Cube Square root Cube root 1 1 1 1.