Shop Mathematics ...: Shop arithmeticMcGraw-Hill book Company, 1912 |
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Αποτελέσματα 1 - 5 από τα 13.
Σελίδα xi
... HEAT PAGE 153 · · 153 154 155 158 158 • 159 122. Nature of heat 123. Temperatures 124. Expansion and contraction 125. Allowances for shrink fits 163 · 164 • 168 171 CHAPTER XX STRENGTH OF MATERIALS 126. Stresses 127. Ultimate stresses ...
... HEAT PAGE 153 · · 153 154 155 158 158 • 159 122. Nature of heat 123. Temperatures 124. Expansion and contraction 125. Allowances for shrink fits 163 · 164 • 168 171 CHAPTER XX STRENGTH OF MATERIALS 126. Stresses 127. Ultimate stresses ...
Σελίδα 55
... heating the fine edges of the tools . The following surface speeds may be taken as representing good practice : Grindstones : For machinists ' tools , 800 to 1000 ft . per minute . For carpenters ' tools , 550 to 600 ft . per minute ...
... heating the fine edges of the tools . The following surface speeds may be taken as representing good practice : Grindstones : For machinists ' tools , 800 to 1000 ft . per minute . For carpenters ' tools , 550 to 600 ft . per minute ...
Σελίδα 150
... heat at the rubbing surfaces of the pulley rim and the brake . It is necessary to keep a stream of water playing on the rim to remove this heat and it is best to have special brake wheels for testing . These have thin rims and inwardly ...
... heat at the rubbing surfaces of the pulley rim and the brake . It is necessary to keep a stream of water playing on the rim to remove this heat and it is best to have special brake wheels for testing . These have thin rims and inwardly ...
Σελίδα 162
... size must the ram be that a load of 10,000 lb. can be lifted with a water pressure of 72 lb. per square inch , the efficiency of the whole apparatus being 70 % ? CHAPTER XIX HEAT 122. Nature of Heat . Some of 162 SHOP ARITHMETIC.
... size must the ram be that a load of 10,000 lb. can be lifted with a water pressure of 72 lb. per square inch , the efficiency of the whole apparatus being 70 % ? CHAPTER XIX HEAT 122. Nature of Heat . Some of 162 SHOP ARITHMETIC.
Σελίδα 163
... Heat . Some of the effects of heat are very useful in shop work and every mechanic should know something of the nature of heat and of the laws which govern its applica- tions to shop work . Heat is a form of energy ; that is , it is ...
... Heat . Some of the effects of heat are very useful in shop work and every mechanic should know something of the nature of heat and of the laws which govern its applica- tions to shop work . Heat is a form of energy ; that is , it is ...
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Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
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.