Shop Mathematics ...: Shop arithmeticMcGraw-Hill book Company, 1912 |
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Σελίδα 8
... lead . What fraction of a pound of each metal - zinc , tin and lead - must I have ? 12. If a train is running at the rate of a mile a minute , how many feet does it go in 1 second ? 13. An apprentice who is drilling and tapping a ...
... lead . What fraction of a pound of each metal - zinc , tin and lead - must I have ? 12. If a train is running at the rate of a mile a minute , how many feet does it go in 1 second ? 13. An apprentice who is drilling and tapping a ...
Σελίδα 50
... lead . How many pounds of copper , tin , and lead are required ? Note . This is a standard bearing mixture used by the Pa . R. R. and by some steam turbine manufacturers . 97. The boss pattern maker is given a raise of 25 % on Christmas ...
... lead . How many pounds of copper , tin , and lead are required ? Note . This is a standard bearing mixture used by the Pa . R. R. and by some steam turbine manufacturers . 97. The boss pattern maker is given a raise of 25 % on Christmas ...
Σελίδα 72
... lead screw having 6 threads per inch , each revolution of the lead screw will move the carriage & in .; a 4 pitch screw would move the carriagein . for each revolution of the screw . Then , if the spindle of the lathe and the lead screw ...
... lead screw having 6 threads per inch , each revolution of the lead screw will move the carriage & in .; a 4 pitch screw would move the carriagein . for each revolution of the screw . Then , if the spindle of the lathe and the lead screw ...
Σελίδα 74
... lead screw , what would be the ratio of the speeds of the spindle and the lead screw ? CHAPTER X AREAS AND VOLUMES OF SIMPLE FIGURES 64. Squares 74 SHOP ARITHMETIC.
... lead screw , what would be the ratio of the speeds of the spindle and the lead screw ? CHAPTER X AREAS AND VOLUMES OF SIMPLE FIGURES 64. Squares 74 SHOP ARITHMETIC.
Σελίδα 83
... Lead . Aluminum . Water ... Material 1 cu . in . 1 cu . ft . .260 lb. 450 lb. .278 lb. 480 lb. .283 lb. 489 lb. .301 lb. 520 lb. .318 lb. 550 lb. .411 lb. 711 lb. .094 lb. 162 lb. .036 lb. 62.4 lb. 73. Short Rule for Plates . - A flat ...
... Lead . Aluminum . Water ... Material 1 cu . in . 1 cu . ft . .260 lb. 450 lb. .278 lb. 480 lb. .283 lb. 489 lb. .301 lb. 520 lb. .318 lb. 550 lb. .411 lb. 711 lb. .094 lb. 162 lb. .036 lb. 62.4 lb. 73. Short Rule for Plates . - A flat ...
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allowable Answer belt bolt calculate cast iron Centigrade cents cipher circle circumference common denominator common fraction compression countershaft Cube root root Cube Square Cube cubic cutting speed cylinder decimal places decimal point diameter dimes distance divide dividend division divisor dollar driven efficiency emery wheel equal Example exerted expansion Explanation Fahrenheit feet figure foot-pounds formula gear given gives heat Hence hoist horse-power hydraulic improper fraction inclined plane large piston lathe lead screw length lever lifted lineshaft machine mean effective pressure mechanical advantage mixed number move the decimal multiply necessary numbers of teeth piece pipe PROBLEMS pull pulley pump pyrometer quotient raised ratio reduced revolutions per minute rope shaft sheave shown in Fig specific gravity Square Cube root Square Cube Square square inch square root steam engine steel stress stroke subtract tank temperature thermometer threads water pressure whole number
Δημοφιλή αποσπάσματα
Σελίδα 59 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 87 - Put another way, if you construct squares on the edges of a right-angled triangle, the area of the square on the hypotenuse is equal to the sum of the areas of the squares on the other two sides.
Σελίδα 60 - Solve by knowing that the product of the means equals the product of the extremes...
Σελίδα 7 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 37 - If there are more decimal places in the divisor than in the dividend, what do you do ? What will the figures of the quotient then be ? § 132.
Σελίδα 36 - Subtract the number of decimal places in the divisor from the number of decimal places in the dividend, and point off as many decimal places in the quotient as there are units in the remainder thus found.
Σελίδα 144 - MEP in pounds per square inch; A = area of piston in square inches; L = length of stroke in feet ; N= number of working strokes per minute.
Σελίδα 35 - 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 3 - An Improper Fraction is one whose numerator is equal to, or greater than, the denominator; as, f, f.
Σελίδα 100 - No. Square Cube Square root Cube root No. Square Cube Square root Cube root 1 1 1 1.