Elementary Introduction to Practical Mechanics: Illustrated by Numerous ExamplesLongmans, 1870 - 324 страници |
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Страница 1
... length of Hempen rope weighs in lbs . 0 · 045 × ( circ . in inches ) 2 . Cable weighs in lbs . 0 · 027 × ( circ . in inches ) . 99 99 1 cubic foot of Brickwork weighs 112 lbs . NOTE . - The above numbers , where printed to four places ...
... length of Hempen rope weighs in lbs . 0 · 045 × ( circ . in inches ) 2 . Cable weighs in lbs . 0 · 027 × ( circ . in inches ) . 99 99 1 cubic foot of Brickwork weighs 112 lbs . NOTE . - The above numbers , where printed to four places ...
Страница 2
... length of iron pipe weighs 64.4 lbs . when the diameter of the bore is 4 in . and the thickness of the metal 14 in .: what does this assume to be the specific gravity of iron ? Ans . 7.197 . Ex . 14. A cast - iron column 10 ft . high ...
... length of iron pipe weighs 64.4 lbs . when the diameter of the bore is 4 in . and the thickness of the metal 14 in .: what does this assume to be the specific gravity of iron ? Ans . 7.197 . Ex . 14. A cast - iron column 10 ft . high ...
Страница 3
... length of wire is made ? 1097. 78. 6d . of an inch in dia- Ans . 46,936 ft . Ex . 21. - It is said that gold can be drawn into wire one millionth part of an inch thick ; what will be the length of such a wire that can be made from an ...
... length of wire is made ? 1097. 78. 6d . of an inch in dia- Ans . 46,936 ft . Ex . 21. - It is said that gold can be drawn into wire one millionth part of an inch thick ; what will be the length of such a wire that can be made from an ...
Страница 5
... length , which a body ex- periences from an increase of temperature . In order to fix the conception of a degree of heat ( with sufficient accuracy for our present purpose ) , it will be proper to mention that when heat is applied to ...
... length , which a body ex- periences from an increase of temperature . In order to fix the conception of a degree of heat ( with sufficient accuracy for our present purpose ) , it will be proper to mention that when heat is applied to ...
Страница 7
... length : Glass Tube Temperature raised from 32 ° to 212 ° F. 0.00077615 0.000856 Temperature raised 1 ° F. Authority 0.00000431 Roy 0.00000476 Borda 29 Cast Iron 0.0011094 0.00000617 Roy 99 Wrought 0.001156 0.00000642 Borda Iron Steel ...
... length : Glass Tube Temperature raised from 32 ° to 212 ° F. 0.00077615 0.000856 Temperature raised 1 ° F. Authority 0.00000431 Roy 0.00000476 Borda 29 Cast Iron 0.0011094 0.00000617 Roy 99 Wrought 0.001156 0.00000642 Borda Iron Steel ...
Често срещани думи и фрази
accelerative effect angle of resistance angular angular velocity axis axle beam body brickwork cast iron centre of gravity circle circumference coefficient of friction Crown 8vo cubic foot curve cylinder described determine the number diameter direction distance draw Edition engine epicycloid equal equation equilibrium expended extrados forces acting formula given hence horizontal horse-power inclined inclined plane last Example length limiting angle line of resistance mass middle point minute moment of inertia motion moving number of feet number of units oscillation P₁ parallel forces perpendicular plane pressure principle of moments Prop pulley radius raised reaction represent respectively rest resultant right angles rope round screw sliding space square inch steam suppose surface teeth thick thread tion triangle vertical virtual velocities vols wall weight wheel Woodcuts wrought iron
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