Shop Mathematics ...: Prepared in the Extension Division of the University of Wisconsin, Τόμος 1McGraw-Hill book Company, Incorporated, 1924 |
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Σελίδα xi
... diameters of pulleys . ខ្លួន ន ន ន 75 76 78 79 CHAPTER IX GEAR RATIOS ; GEAR TRAINS ; CHANGE GEARS 63. Gear ratios • • 64. Gear and pulley trains 65. Compound gear and pulley trains 66. Screw cutting . 8888 83 84 85 87 CHAPTER X ...
... diameters of pulleys . ខ្លួន ន ន ន 75 76 78 79 CHAPTER IX GEAR RATIOS ; GEAR TRAINS ; CHANGE GEARS 63. Gear ratios • • 64. Gear and pulley trains 65. Compound gear and pulley trains 66. Screw cutting . 8888 83 84 85 87 CHAPTER X ...
Σελίδα 2
... . Another small unit , the one - thousandth of an inch , is used by electricians , and is called the mil . The diameter 2 of wire , for example , is expressed more conveniently 2 SHOP ARITHMETIC Definition of a fraction.
... . Another small unit , the one - thousandth of an inch , is used by electricians , and is called the mil . The diameter 2 of wire , for example , is expressed more conveniently 2 SHOP ARITHMETIC Definition of a fraction.
Σελίδα 16
... diameter of 3 in . , length of 2 U.S. Std . Thd . FINISH ALL OVER FIG . 5. - Machine bolt with dimensions . head of 21 in . , length from the edge of the threads to the head of 9 in . , and length of threaded portion of 51⁄2 in ...
... diameter of 3 in . , length of 2 U.S. Std . Thd . FINISH ALL OVER FIG . 5. - Machine bolt with dimensions . head of 21 in . , length from the edge of the threads to the head of 9 in . , and length of threaded portion of 51⁄2 in ...
Σελίδα 17
... diameter ; it is turned down in five cuts : in the first step the tool takes off 3 in . from the diameter ; then in .; then in .; then 2 in .; and the fifth time , in . What is the diameter of the finished piece ? 37. A small foundry ...
... diameter ; it is turned down in five cuts : in the first step the tool takes off 3 in . from the diameter ; then in .; then in .; then 2 in .; and the fifth time , in . What is the diameter of the finished piece ? 37. A small foundry ...
Σελίδα 47
... diameter of 3 in . , and the machinist is allowed a variation of one - half thousandth , or 5 ten - thousandths of an inch ( .0005 ) greater or less than 3 in . This means that he must make the diameter within .0005 in . of 3 in . The ...
... diameter of 3 in . , and the machinist is allowed a variation of one - half thousandth , or 5 ten - thousandths of an inch ( .0005 ) greater or less than 3 in . This means that he must make the diameter within .0005 in . of 3 in . The ...
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Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
amount Answer Antilog belt block boiler bolt brake horsepower calculated castings Centigrade cents ciphers circle circumference common denominator common fraction cube root cubic cutting speed cylinder decimal places decimal point diameter dimensions dimes distance divide dividend division dollar efficiency emery wheel equal Example Explanation Fahrenheit feet final divisor foot-pounds force arm formula given gives heat hoist horsepower improper fraction inclined plane indicated jackscrew lathe lead screw length lever lifted line shaft load logarithmic scale machine mantissa measure mechanical advantage minute mixed numbers multiply number of teeth operation piece piston pound pressure PROBLEMS pulley pump quotient raised reduced revolutions per minute rope shaft shown in Fig slide rule square inch square root steam engine steel stress stroke subtract surface speed temperature threads per inch trial divisor unit volume weight arm whole number width
Δημοφιλή αποσπάσματα
Σελίδα 129 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq.
Σελίδα 8 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 163 - 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 3 - An Improper Fraction is one whose numerator is equal to, or greater than, the denominator; as, f, f.
Σελίδα 41 - 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 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 76 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 41 - To multiply by 10, move the decimal point one place to the right, annexing a zero if necessary.
Σελίδα 2 - Definition of a Fraction. — A Fraction is one or more of the equal parts into which anything may be divided.