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
... 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. Mechanical advantage 89. CONTENTS xi.
... 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. Mechanical advantage 89. CONTENTS xi.
Σελίδα xii
... levers . 88. Mechanical advantage 89. The wheel and axle . 90. Efficiency . CHAPTER XIII TACKLE BLOCKS ; THE INCLINED PLANE AND SCREW 91. Types of blocks • 92. Differential pulleys . 93. The use of inclined planes . 94. Theory of the ...
... levers . 88. Mechanical advantage 89. The wheel and axle . 90. Efficiency . CHAPTER XIII TACKLE BLOCKS ; THE INCLINED PLANE AND SCREW 91. Types of blocks • 92. Differential pulleys . 93. The use of inclined planes . 94. Theory of the ...
Σελίδα 87
... levers or knobs accord- ing to the directions mounted on the machine . There are , how- ever , many lathes in use which have a set of separate " change gears " from which the machinist must select the proper com- bination to be used for ...
... levers or knobs accord- ing to the directions mounted on the machine . There are , how- ever , many lathes in use which have a set of separate " change gears " from which the machinist must select the proper com- bination to be used for ...
Σελίδα 139
... out into a plate of No. 10 B & S. gage . The thickness of this gage is .1019 in . What would be the probable area of this plate in square feet ? CHAPTER XII LEVERS 84. Types of Machines . - All AREAS AND VOLUMES OF SIMPLE FIGURES 139.
... out into a plate of No. 10 B & S. gage . The thickness of this gage is .1019 in . What would be the probable area of this plate in square feet ? CHAPTER XII LEVERS 84. Types of Machines . - All AREAS AND VOLUMES OF SIMPLE FIGURES 139.
Σελίδα 141
... Lever . - The lever is probably the most used and the simplest type of machine . We are all familiar with it in its W FIG . 42. Simple lever . simplest forms , such as crowbars , shears , pliers , tongs , and the numerous simple levers ...
... Lever . - The lever is probably the most used and the simplest type of machine . We are all familiar with it in its W FIG . 42. Simple lever . simplest forms , such as crowbars , shears , pliers , tongs , and the numerous simple levers ...
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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.