Shop Mathematics ...: Prepared in the Extension Division of the University of Wisconsin, Τόμος 1McGraw-Hill book Company, Incorporated, 1924 |
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Σελίδα ix
... Reduction to lower terms 12. Reduction of improper fractions 13. Reduction of mixed numbers . 14. Use of signs . CHAPTER II ADDITION AND SUBTRACTION OF FRACTIONS 15. Common denominators 16. To find the L. C. D. 17. To reduce to the ...
... Reduction to lower terms 12. Reduction of improper fractions 13. Reduction of mixed numbers . 14. Use of signs . CHAPTER II ADDITION AND SUBTRACTION OF FRACTIONS 15. Common denominators 16. To find the L. C. D. 17. To reduce to the ...
Σελίδα x
... Reducing dollars to cents 35. Reducing cents to dollars 37. Wage calculations 27 28 28 29 29 30 31 31 32 CHAPTER V DECIMAL FRACTIONS 38. What are decimals ?. 39. Addition and subtraction 40. Multiplication . 37 39 40 • 41. Short cuts ...
... Reducing dollars to cents 35. Reducing cents to dollars 37. Wage calculations 27 28 28 29 29 30 31 31 32 CHAPTER V DECIMAL FRACTIONS 38. What are decimals ?. 39. Addition and subtraction 40. Multiplication . 37 39 40 • 41. Short cuts ...
Σελίδα 2
... reduces the use of fractions . 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 ...
... reduces the use of fractions . 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 ...
Σελίδα 3
... Reduction of Fractions . - Quite often we find it desirable to change the form of a fraction in order to make certain calcula- 1 2 3 FIG . 2. - Scale divided to illustrate reduction of fractions . tions ; but , of course , the real ...
... Reduction of Fractions . - Quite often we find it desirable to change the form of a fraction in order to make certain calcula- 1 2 3 FIG . 2. - Scale divided to illustrate reduction of fractions . tions ; but , of course , the real ...
Σελίδα 4
... reduce a fraction to lower terms , we reduce the number of parts into which the whole unit is divided . This likewise reduces the number of parts which are taken . Thus , in . = 1 in . 2 in . = in . 16 8 A fraction is reduced to lower ...
... reduce a fraction to lower terms , we reduce the number of parts into which the whole unit is divided . This likewise reduces the number of parts which are taken . Thus , in . = 1 in . 2 in . = in . 16 8 A fraction is reduced to lower ...
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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.