Shop Mathematics, Τόμος 1McGraw-Hill, 1931 |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 3 από τα 9.
Σελίδα 185
... allowable pull per inch of width of belt . The result will be the necessary width . W = 33,000 X H PXV Stated in words , this formula would read : " To obtain the width of belt necessary for a certain horsepower multiply the horsepower ...
... allowable pull per inch of width of belt . The result will be the necessary width . W = 33,000 X H PXV Stated in words , this formula would read : " To obtain the width of belt necessary for a certain horsepower multiply the horsepower ...
Σελίδα 186
... allowable . These data are all that are needed to calculate the width , which comes out 41⁄2 in . The next larger ... allowable for single belts . For double belts an effective pull of 70 lb. per inch is allowable unless the belt is used ...
... allowable . These data are all that are needed to calculate the width , which comes out 41⁄2 in . The next larger ... allowable for single belts . For double belts an effective pull of 70 lb. per inch is allowable unless the belt is used ...
Σελίδα 228
... allowable . For cables of Swedish iron but half this value should be used . 129. Strength of Chains . - It has been demonstrated by re- peated tests that a welded joint cannot be safely loaded so heavily as a solid piece of material ...
... allowable . For cables of Swedish iron but half this value should be used . 129. Strength of Chains . - It has been demonstrated by re- peated tests that a welded joint cannot be safely loaded so heavily as a solid piece of material ...
Περιεχόμενα
ARTICLE | 1 |
Improper fractions | 7 |
Reduction to lower terms | 13 |
Πνευματικά δικαιώματα | |
69 άλλες ενότητες δεν εμφανίζονται
Συχνά εμφανιζόμενοι όροι και φράσεις
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