Shop Mathematics, Τόμος 1McGraw-Hill, 1931 |
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Σελίδα 193
... pressure ) of 60 lb. per sq . in . Note . In giving the dimensions of an engine cylinder , the first number represents the diameter and the second number the stroke . P L A N hp . = = = = = 60 lb. per sq . in . 54 in . = 41⁄21⁄2 ft ...
... pressure ) of 60 lb. per sq . in . Note . In giving the dimensions of an engine cylinder , the first number represents the diameter and the second number the stroke . P L A N hp . = = = = = 60 lb. per sq . in . 54 in . = 41⁄21⁄2 ft ...
Σελίδα 207
... pressures are used , occasionally as high as 3000 lb. per square inch , 1500 lb. per square inch being a common working pressure for hydraulic machines . Figure 85 shows a press operated by hydraulic pressure . It will be noticed that ...
... pressures are used , occasionally as high as 3000 lb. per square inch , 1500 lb. per square inch being a common working pressure for hydraulic machines . Figure 85 shows a press operated by hydraulic pressure . It will be noticed that ...
Σελίδα 209
... pressure exerted by it . The air pressure used in shop work is usually about 80 lb. per square inch . The air is conducted through pipes and hose to the point where it is to be used where its pressure is exerted on the piston of the ...
... pressure exerted by it . The air pressure used in shop work is usually about 80 lb. per square inch . The air is conducted through pipes and hose to the point where it is to be used where its pressure is exerted on the piston of the ...
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ARTICLE | 1 |
Improper fractions | 7 |
Reduction to lower terms | 13 |
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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