Shop Mathematics ...: Shop arithmeticMcGraw-Hill book Company, 1912 |
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Σελίδα ix
... 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 CHAPTER XIII LEVERS ᎪᎡᎢ . PAGE 90. Types of machines CONTENTS ix.
... 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 CHAPTER XIII LEVERS ᎪᎡᎢ . PAGE 90. Types of machines CONTENTS ix.
Σελίδα x
Earle Bertram Norris, Kenneth Gardner Smith, Ralph Thurman Craigo. CHAPTER XIII LEVERS ᎪᎡᎢ . PAGE 90. Types of machines 91. The lever 92. Three classes of levers 93. Compound levers 115 115 117 118 94. Mechanical Advantage . 119 95 ...
Earle Bertram Norris, Kenneth Gardner Smith, Ralph Thurman Craigo. CHAPTER XIII LEVERS ᎪᎡᎢ . PAGE 90. Types of machines 91. The lever 92. Three classes of levers 93. Compound levers 115 115 117 118 94. Mechanical Advantage . 119 95 ...
Σελίδα 114
... 994 988036 982107784 31.5278 9.9800 999 998001 997002999 31.6070 9.9967 995 990025 985074875 31.5436 9.9833 1000 1000000 1000000000 31.6228 10 . 9.9933 CHAPTER XIII LEVERS 90. Types of Machines . - All 114 SHOP ARITHMETIC.
... 994 988036 982107784 31.5278 9.9800 999 998001 997002999 31.6070 9.9967 995 990025 985074875 31.5436 9.9833 1000 1000000 1000000000 31.6228 10 . 9.9933 CHAPTER XIII LEVERS 90. Types of Machines . - All 114 SHOP ARITHMETIC.
Σελίδα 115
... Lever , the Cord , and the Inclined Plane or Wedge . Any piece of mechanism can be proved to be of one or more of these types . Pulleys , gears , and cranks will be shown to be forms of ... LEVERS ᎪᎡᎢ PAGE 90 Types of machines The lever.
... Lever , the Cord , and the Inclined Plane or Wedge . Any piece of mechanism can be proved to be of one or more of these types . Pulleys , gears , and cranks will be shown to be forms of ... LEVERS ᎪᎡᎢ PAGE 90 Types of machines The lever.
Σελίδα 116
... lever 14 ft . long , with the fulcrum placed 2 ft . from the end , as shown in Fig . 38 ; how much force must we exert to lift 1800 lb. ? In this problem a is 12 ft . , b is 2 ft . , and W is 1800 lb. PXa = Wxb PX12 1800 X 2 = 3600 Then ...
... lever 14 ft . long , with the fulcrum placed 2 ft . from the end , as shown in Fig . 38 ; how much force must we exert to lift 1800 lb. ? In this problem a is 12 ft . , b is 2 ft . , and W is 1800 lb. PXa = Wxb PX12 1800 X 2 = 3600 Then ...
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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.