The millwright & engineer's pocket companion |
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Σελίδα 89
... loaded in the middle ; or supported in the middle , and loaded at both ends ; also , when the weight is between the middle and the end ; likewise , when fixed at one end and loaded at the other . RULE . - Multiply the strength of an ...
... loaded in the middle ; or supported in the middle , and loaded at both ends ; also , when the weight is between the middle and the end ; likewise , when fixed at one end and loaded at the other . RULE . - Multiply the strength of an ...
Σελίδα 90
... loaded at each end , it will bear the same weight as when supported at both ends and loaded in the middle , that is , each end will bear half the weight . When the weight is not situated in the middle of the beam , but placed somewhere ...
... loaded at each end , it will bear the same weight as when supported at both ends and loaded in the middle , that is , each end will bear half the weight . When the weight is not situated in the middle of the beam , but placed somewhere ...
Σελίδα 91
... loaded in the middle , it will bear one - half more than it will when loose at both ends . And if a beam is loose at both ends , and the weight laid uniformly along its length , it will bear double ; but , if fixed at both ends , and ...
... loaded in the middle , it will bear one - half more than it will when loose at both ends . And if a beam is loose at both ends , and the weight laid uniformly along its length , it will bear double ; but , if fixed at both ends , and ...
Σελίδα 92
... loaded uniformly throughout , and loose at both ends , the divisor must be multiplied by 2 , because it will bear double the weight . 3. If a beam is fast at both ends , and loaded uniformly throughout , the divisor must be multiplied ...
... loaded uniformly throughout , and loose at both ends , the divisor must be multiplied by 2 , because it will bear double the weight . 3. If a beam is fast at both ends , and loaded uniformly throughout , the divisor must be multiplied ...
Σελίδα 102
... loaded , than is requisite to constitute a balance between power and weight . The following Table shows the estimated power of man or horse as applied to machinery . A man is supposed to be ca- pable of lifting or carrying .. A man is ...
... loaded , than is requisite to constitute a balance between power and weight . The following Table shows the estimated power of man or horse as applied to machinery . A man is supposed to be ca- pable of lifting or carrying .. A man is ...
Συχνά εμφανιζόμενοι όροι και φράσεις
1.-Multiply 1.-Required 12 feet 12 inches 20 inches A B C D avoirdupois beam bodies boiler breadth cast iron centre chord Circum circumference cistern column contain cubic feet cubic inches cylinder decimal depth describe arcs cutting Diam diameter in inches distance divide the product engine equal EXAMPLE 2.-What EXAMPLE.-Required feet diameter feet long feet per minute feet per second find the Diameter foot frustum gallons nearly given circle imperial gallons inches area inches broad inches diameter nearly inches nearly latent heat length of stroke lever libs motion Numb number of horses number of Imperial perpendicular height piston pitch polygon pound pressure PROBLEM prop pulley pump's diameter quotient radius revolutions per minute right Line Roots Cube Roots RULE RULE.-Multiply shaft Slide Rule solid content square inch Square Roots Cube steam STRENGTH OF MATERIALS superficial teeth thickness tons valve velocity versed sine vulgar fraction water wheels weight wrought iron
Δημοφιλή αποσπάσματα
Σελίδα 58 - The areas of circles are to each other as the squares of their diameters.
Σελίδα 24 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Σελίδα 67 - To find the solidity of a spheroid. Rule. — Multiply the square of the revolving axis by the fixed axis: and the product, multiplied by .5236, will give the solidity.
Σελίδα 88 - These simple machines are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw.
Σελίδα 88 - ... that there may be a balance between the power and the weight, the intensity of the power must exceed the intensity of the weight just as much as the distance of the weight from the prop exceeds the distance of the power.
Σελίδα 133 - ... the quotient is the centrifugal force when the weight of the body is 1.
Σελίδα 24 - ... and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...
Σελίδα 68 - ... by •5236 ; then say, as the square of the fixed axis is to the square of the revolving axis, so is the former product to the solidity.
Σελίδα 43 - Rule, Multiply the difference between the root of the integer part of the given number, and the root of the next higher...
Σελίδα 91 - ... when the power acts parallel to the plane, the length of the plane is to the weight, as the height of the plane is to the power; for the greater the angle, the greater the height.