Shop Mathematics, Τόμος 1McGraw-Hill, 1931 |
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Σελίδα 145
... Block containing 144 cubic inches . is 144 cu . in . As the slice cut off is but 1 in . thick , it is apparent that the block of Fig . 36 could be cut into 12 such slices , each 1 in . thick and each containing 144 cu . in . From this ...
... Block containing 144 cubic inches . is 144 cu . in . As the slice cut off is but 1 in . thick , it is apparent that the block of Fig . 36 could be cut into 12 such slices , each 1 in . thick and each containing 144 cu . in . From this ...
Σελίδα 167
... blocks can be used . As shown in the illustrations of the tackle blocks in this chapter , the revolving part is called the pulley or sheave ; the framework surrounding the pulleys is called the block and , as generally used , includes ...
... blocks can be used . As shown in the illustrations of the tackle blocks in this chapter , the revolving part is called the pulley or sheave ; the framework surrounding the pulleys is called the block and , as generally used , includes ...
Σελίδα 168
... block above to change the direction of P. It makes no change in the relation of P and W , except as to direction . In Fig . 62 we have two pulleys in the fixed block and two in the movable block . More pulleys might be used , but the ...
... block above to change the direction of P. It makes no change in the relation of P and W , except as to direction . In Fig . 62 we have two pulleys in the fixed block and two in the movable block . More pulleys might be used , but the ...
Περιεχόμενα
ARTICLE | 1 |
Improper fractions | 7 |
Reduction to lower terms | 13 |
Πνευματικά δικαιώματα | |
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amount Answer Antilog belt block boiler bolt brake horsepower Calculate castings cent Centigrade centimeters ciphers circle circumference common fraction cutting speed cylinder decimal places decimal point denominator diameter dimes distance divide dividend division dollar efficiency emery wheel equal Example Explanation Fahrenheit feet figure foot force arm formula given heat hoist horsepower improper fraction inclined plane indicated jackscrew lathe lead screw length lever lifted line shaft load logarithmic scale logarithms machine mantissa measure mechanical advantage meter minute mixed number multiply number of teeth pipe piston pounds pressure Problem pull pulley pump quotient raised ratio reduced revolutions per minute rope scale shown in Fig slide rule square inch square root steam engine steel stress stroke subtract surface speed tank temperature threads per inch trial divisor unit volume weight arm whole number width