Shop Mathematics ...: Prepared in the Extension Division of the University of Wisconsin, Τόμος 1McGraw-Hill book Company, Incorporated, 1924 |
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Σελίδα vii
... problems as will maintain the interest of the student and develop in him an ability to apply the mathematical and scientific principles to his everyday problems of the shop . The problems and applications relate largely to the metal ...
... problems as will maintain the interest of the student and develop in him an ability to apply the mathematical and scientific principles to his everyday problems of the shop . The problems and applications relate largely to the metal ...
Σελίδα ix
... 24 24. Multiplying mixed numbers . 25. Cancellation . 26. Division - the reverse of multiplication 27. Compound fractions . 28. How to analyze practical problems . CHAPTER IV MONEY AND WAGES ART . PAGE 30. Addition ix.
... 24 24. Multiplying mixed numbers . 25. Cancellation . 26. Division - the reverse of multiplication 27. Compound fractions . 28. How to analyze practical problems . CHAPTER IV MONEY AND WAGES ART . PAGE 30. Addition ix.
Σελίδα x
... problems . CHAPTER VII CIRCUMFERENCES OF CIRCLES ; CUTTING AND GRINDING SPEEDS 52. Shop uses . 53. Circles 54. Formulas 55. Circumferential speeds 56. Grindstones and emery wheels . 57. Cutting speeds . 58. Pulleys and belts . 34558 57 ...
... problems . CHAPTER VII CIRCUMFERENCES OF CIRCLES ; CUTTING AND GRINDING SPEEDS 52. Shop uses . 53. Circles 54. Formulas 55. Circumferential speeds 56. Grindstones and emery wheels . 57. Cutting speeds . 58. Pulleys and belts . 34558 57 ...
Σελίδα 6
... problems like the above , the work should be arranged as in the following example . Example : 1 Reduce 5 in , to eighths of an inch . - 40 1 + - 41 in . , Answer . 8 8 8 14. Use of Signs . Throughout the preceding paragraphs and in all ...
... problems like the above , the work should be arranged as in the following example . Example : 1 Reduce 5 in , to eighths of an inch . - 40 1 + - 41 in . , Answer . 8 8 8 14. Use of Signs . Throughout the preceding paragraphs and in all ...
Σελίδα 8
... PROBLEMS 1. What is a fraction ? 2. Name some fractions of an inch commonly used . 3. Write the following as fractions or mixed numbers : Five - sixteenths Nine thirty - seconds Twenty and one - eighth Twenty - one eighths Three and ...
... PROBLEMS 1. What is a fraction ? 2. Name some fractions of an inch commonly used . 3. Write the following as fractions or mixed numbers : Five - sixteenths Nine thirty - seconds Twenty and one - eighth Twenty - one eighths Three and ...
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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.