Shop Mathematics ...: Shop arithmeticMcGraw-Hill book Company, 1912 |
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Σελίδα viii
... . Pulleys and belts མཔ་ ཾ་ པ་ ཡ 52 54 55 57 58 CHAPTER VIII RATIO AND PROPORTION 56. Ratios . 57. Proportion 58. Speeds and diameters of pulleys 59 60 63 59. Gear ratios . 64 ART . CHAPTER IX PULLEY AND GEAR TRAINS ; CHANGE viii CONTENTS.
... . Pulleys and belts མཔ་ ཾ་ པ་ ཡ 52 54 55 57 58 CHAPTER VIII RATIO AND PROPORTION 56. Ratios . 57. Proportion 58. Speeds and diameters of pulleys 59 60 63 59. Gear ratios . 64 ART . CHAPTER IX PULLEY AND GEAR TRAINS ; CHANGE viii CONTENTS.
Σελίδα ix
... GEAR TRAINS ; CHANGE GEARS 60. Direct and inverse proportions 61. Gear trains . : 62. Compound gear and pulley trains 63. Screw cutting CHAPTER X AREAS AND VOLUMES OF SIMPLE FIGURES PAGE 65 66 68 72 64. Squares 65. Square root 66. Cubes ...
... GEAR TRAINS ; CHANGE GEARS 60. Direct and inverse proportions 61. Gear trains . : 62. Compound gear and pulley trains 63. Screw cutting CHAPTER X AREAS AND VOLUMES OF SIMPLE FIGURES PAGE 65 66 68 72 64. Squares 65. Square root 66. Cubes ...
Σελίδα 43
... length . How many pounds must I order and what will it cost at $ 1.85 per 100 lb. ? 87. Explain how you would set a micrometer for 2 1000 7 in . over in . 8 88. A 28 - tooth 7 - pitch gear has DECIMAL FRACTIONS 43 The micrometer.
... length . How many pounds must I order and what will it cost at $ 1.85 per 100 lb. ? 87. Explain how you would set a micrometer for 2 1000 7 in . over in . 8 88. A 28 - tooth 7 - pitch gear has DECIMAL FRACTIONS 43 The micrometer.
Σελίδα 44
... gear has an outside diameter of 4.286 in . The diameter at the bottom of the teeth is 3.67 in . How deep are the teeth cut ? 89. A 2 in . pipe has an actual inside diameter of 2.067 in . The metal of the pipe is .154 in . thick . What ...
... gear has an outside diameter of 4.286 in . The diameter at the bottom of the teeth is 3.67 in . How deep are the teeth cut ? 89. A 2 in . pipe has an actual inside diameter of 2.067 in . The metal of the pipe is .154 in . thick . What ...
Σελίδα 63
... numbers is 1350. Dividing this by the R. P. M. of the grindstone arbor gives 16 in . as the nearest even size of pulley , so we will use that size . 59. Gear Ratios . - The same principles as are RATIO AND PROPORTION 63.
... numbers is 1350. Dividing this by the R. P. M. of the grindstone arbor gives 16 in . as the nearest even size of pulley , so we will use that size . 59. Gear Ratios . - The same principles as are RATIO AND PROPORTION 63.
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Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
Answer bolt brake calculate cast iron Centigrade cents CHAPTER cipher circle circumference column compression countershaft crank Cube root root Cube Square Cube cylinder decimal places decimal point denominator diameter difference distance divided dividend divisor dollar driven gear efficiency equal Example exerted Explanation Fahrenheit figure foot-pounds force arm formula fulcrum given number gives heat Hence hoist horse-power improper fraction inclined plane lathe lead screw length lever lift lineshaft load machine mean effective pressure mechanical advantage mechanical efficiency mixed number movable block move the decimal multiply necessary numbers of teeth piece pounds PROBLEMS pulley pump pyrometer quotient radius raised reduced revolutions per minute ROOTS OF NUMBERS.-Continued rope shaft sheave shown in Fig specific gravity speed ratio Square Cube root Square Cube Square square inch square root steam engine steel stress stroke subtract temperature threads per inch trial divisor weight arm wheel whole number
Δημοφιλή αποσπάσματα
Σελίδα 7 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year...
Σελίδα 89 - Written as a formula this would read This can be illustrated by drawing squares on each side, as in Fig. 29, and noting that the area of the square on the hypotenuse is equal to the sum of the areas of the other two.
Σελίδα 38 - 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 146 - 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 37 - 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 133 - Fig. 49. We will solve this problem partly graphically and partly by calculation. The first step is to find how fast the crank pin D is moving. For one turn of the crank, D travels through a distance equal to the circumference of a circle whose radius is R, that is, a distance of 2'ffTi.
Σελίδα 38 - EULE.—Divide as in whole numbers, and point off as many decimal places in the quotient as the number of decimal places in the dividend exceeds the number in the divisor.
Σελίδα 5 - When the numerator is less than the denominator, the value of the fraction is less than 1. 5th. When the numerator is equal to the denominator, the value of the fraction is equal to 1. 6th. When the numerator is greater than the denominator, the value of the fraction is greater than 1.
Σελίδα 61 - In any proportion, the product of the means is equal to the product of the extremes.