Elementary Introduction to Practical Mechanics: Being the 2d Ed. of Èlementary Examples in Practical Mechanics'.Longman, Green, Longman, Roberts & Green, 1863 |
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Страница ix
... Raising Weights 36 SECT . I. Efficiency of Agents -Modulus of Steam Engines - Water Wheels Work of Animate Agents - Cost of Labour CHAPTER III . - Parallelogram of 46 • Statement of the fundamental Principles of Statics Pressures ...
... Raising Weights 36 SECT . I. Efficiency of Agents -Modulus of Steam Engines - Water Wheels Work of Animate Agents - Cost of Labour CHAPTER III . - Parallelogram of 46 • Statement of the fundamental Principles of Statics Pressures ...
Страница 9
... raised from 320 to 212 ° F. 0.00077615 0.000856 Temperature raised 1 ° F. Authority 0-00000431 Roy 0-00000476 Borda 0.0011094 0-00000617 Lavoisier 99 Wrought 0.001156 0.00000642 Borda Iron Steel rods 0.0011447 0.00000636 Roy 99 Brass ...
... raised from 320 to 212 ° F. 0.00077615 0.000856 Temperature raised 1 ° F. Authority 0-00000431 Roy 0-00000476 Borda 0.0011094 0-00000617 Lavoisier 99 Wrought 0.001156 0.00000642 Borda Iron Steel rods 0.0011447 0.00000636 Roy 99 Brass ...
Страница 10
... raised to 92 ° F. the mercury ascends 4 in .; what is the diameter of the bore of the glass tube ? Ans . 0.0288 in . 6. Elongation produced by strain . - The principle on which this determination is made is the following : -Sup- pose ...
... raised to 92 ° F. the mercury ascends 4 in .; what is the diameter of the bore of the glass tube ? Ans . 0.0288 in . 6. Elongation produced by strain . - The principle on which this determination is made is the following : -Sup- pose ...
Страница 11
... raised 50 ° F. above that which the bar had when fixed , find the pressure produced against these blocks . Ans . 9309 lbs . Ex . 48. — In the last example , if only one of the blocks were immovable and the other were capable of ...
... raised 50 ° F. above that which the bar had when fixed , find the pressure produced against these blocks . Ans . 9309 lbs . Ex . 48. — In the last example , if only one of the blocks were immovable and the other were capable of ...
Страница 19
... raising 2 cwts . through 30 fathoms ? Ans . 40,320 . Ex . 72. — The mean pressure on the piston of a steam engine is 15 lbs . per sq . in . , the length of the stroke is 6 ft .; if the area of the piston is 448 sq . in . , how many ...
... raising 2 cwts . through 30 fathoms ? Ans . 40,320 . Ex . 72. — The mean pressure on the piston of a steam engine is 15 lbs . per sq . in . , the length of the stroke is 6 ft .; if the area of the piston is 448 sq . in . , how many ...
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ABCD accelerating force angle of resistance angular velocity axis axle beam body brickwork capstan cast iron centre of gravity circle circumference coefficient of friction cubic feet cubic foot curve cwts cycloid cylinder described determine the number diameter direction distance draw Edition epicycloid equal equation equilibrium expended extrados Fcp 8vo formula frustum given hence horizontal horse-power inclined inertia last example length limiting angle magnitude middle point minute modulus moment of inertia moments motion moving number of units oscillation P₁ P₂ parallel pressures passing perpendicular plane Post 8vo pres pressures acting principle principle of moments Prop pulley radius raised reaction represent respectively resultant right angles rope round screw sliding square inch suppose surface system of pressures teeth thick thread tion triangle vertical vols wall weight wheel wrought iron
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