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
... casting from pattern . 83. Finding dimensions from weights or volumes . 84. Types of machines 85. The lever 86. Three classes of levers CHAPTER XII LEVERS 127 129 132 133 136 137 137 138 141 141 144 ART . 87. Compound levers . 88 ...
... casting from pattern . 83. Finding dimensions from weights or volumes . 84. Types of machines 85. The lever 86. Three classes of levers CHAPTER XII LEVERS 127 129 132 133 136 137 137 138 141 141 144 ART . 87. Compound levers . 88 ...
Σελίδα 17
... castings are ; 412 lb. , 270 lb. , 1020 lb. , 75 lb. , and 68 lb. What is their total weight ? 33. In a certain ... Casting for gas engine cylinder . boiler . Compute the fraction of the total heat absorbed by the boiler . 34. Four studs ...
... castings are ; 412 lb. , 270 lb. , 1020 lb. , 75 lb. , and 68 lb. What is their total weight ? 33. In a certain ... Casting for gas engine cylinder . boiler . Compute the fraction of the total heat absorbed by the boiler . 34. Four studs ...
Σελίδα 19
... castings each weighing of a pound ? 12 X = 3 36 4 4 = 9 lb. , Answer . 22. " Of " Means " Times . " - The word " of " is often seen in problems in fractions , as , for instance , " What is of 5 in . ? " In such a case , we work the ...
... castings each weighing of a pound ? 12 X = 3 36 4 4 = 9 lb. , Answer . 22. " Of " Means " Times . " - The word " of " is often seen in problems in fractions , as , for instance , " What is of 5 in . ? " In such a case , we work the ...
Σελίδα 25
... castings What fractional part of his work does he get from 7 of them are defective . paid for ? 917 = 84 sound castings 847 12 Answer . 91 91 ÷ 7 13 ' 84 = = Explanation : The problem is : What part of 91 is 84 ? There are 91 parts in ...
... castings What fractional part of his work does he get from 7 of them are defective . paid for ? 917 = 84 sound castings 847 12 Answer . 91 91 ÷ 7 13 ' 84 = = Explanation : The problem is : What part of 91 is 84 ? There are 91 parts in ...
Σελίδα 26
... castings . A near - by foundry and machine company offers to make the castings at a price of 5 cts . per pound . However , the actual cost per pound when the castings are bought from this firm is found to be 13 times the net cost of 5 ...
... castings . A near - by foundry and machine company offers to make the castings at a price of 5 cts . per pound . However , the actual cost per pound when the castings are bought from this firm is found to be 13 times the net cost of 5 ...
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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.