Shop Mathematics ...: Shop arithmeticMcGraw-Hill book Company, 1912 |
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Σελίδα viii
... CIRCLES : CUTTING AND GRINDING SPEEDS 44 46 47 47 48 49. Shop uses 50. Circles . 51. Formulas 51 51 52 52. Circumferential speeds 53. Grindstones and emery wheels 54 55 54. Cutting speeds · 55. Pulleys and belts 57 58 CHAPTER VIII RATIO ...
... CIRCLES : CUTTING AND GRINDING SPEEDS 44 46 47 47 48 49. Shop uses 50. Circles . 51. Formulas 51 51 52 52. Circumferential speeds 53. Grindstones and emery wheels 54 55 54. Cutting speeds · 55. Pulleys and belts 57 58 CHAPTER VIII RATIO ...
Σελίδα ix
... circle PAGE 65 66 68 72 75 75 75 76 77 79 80 80 82 83 83 CHAPTER XI 69. The rectangle 70. The cube 71. Volumes of ... circles 82. Dimensions of rectangles . 83. Cube root · CHAPTER XII MATHEMATICAL TABLES ( CIRCLES , POWERS , AND ROOTS ) ...
... circle PAGE 65 66 68 72 75 75 75 76 77 79 80 80 82 83 83 CHAPTER XI 69. The rectangle 70. The cube 71. Volumes of ... circles 82. Dimensions of rectangles . 83. Cube root · CHAPTER XII MATHEMATICAL TABLES ( CIRCLES , POWERS , AND ROOTS ) ...
Σελίδα 50
... of tin , 75 lb. of bismuth , 37.5 lb. of lead , and 19.5 lb. of cadmium . What per cent of the total weight is there of each metal ? CHAPTER VII CIRCUMFERENCES OF CIRCLES ; CUTTING AND GRINDING SPEEDS 50 SHOP ARITHMETIC.
... of tin , 75 lb. of bismuth , 37.5 lb. of lead , and 19.5 lb. of cadmium . What per cent of the total weight is there of each metal ? CHAPTER VII CIRCUMFERENCES OF CIRCLES ; CUTTING AND GRINDING SPEEDS 50 SHOP ARITHMETIC.
Σελίδα 51
... Circles . To understand what has just been mentioned , it is necessary to get a knowledge of circles and their properties . The distance across a circle , measured straight through the center , is called the Diameter . Circles are ...
... Circles . To understand what has just been mentioned , it is necessary to get a knowledge of circles and their properties . The distance across a circle , measured straight through the center , is called the Diameter . Circles are ...
Σελίδα 52
... circle . The circumference must be π times 32 . 3.1416X32 = 100.5 + in . The length of the sheet must , therefore , be 100 in . and , if it is to be lapped and riveted , we would have to add a suitable allowance of 1 in . or so for ...
... circle . The circumference must be π times 32 . 3.1416X32 = 100.5 + in . The length of the sheet must , therefore , be 100 in . and , if it is to be lapped and riveted , we would have to add a suitable allowance of 1 in . or so for ...
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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.