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Σελίδα 90
... effective length . and 916 × 3 × 72 6321 libs . nearly . 21.3 Again , when a beam is fixed at one end and loaded at the other , it will only bear of the weight as when supported at both ends and loaded in the middle . EXAMPLE 3. What is ...
... effective length . and 916 × 3 × 72 6321 libs . nearly . 21.3 Again , when a beam is fixed at one end and loaded at the other , it will only bear of the weight as when supported at both ends and loaded in the middle . EXAMPLE 3. What is ...
Σελίδα 92
... And when the weight is not placed in the middle of a beam , the effective length must be found as in problem first . EXAMPLE 5. - Required the depth of a deal beam 20 feet long , and to support a weight of 92 STRENGTH OF MATERIALS .
... And when the weight is not placed in the middle of a beam , the effective length must be found as in problem first . EXAMPLE 5. - Required the depth of a deal beam 20 feet long , and to support a weight of 92 STRENGTH OF MATERIALS .
Σελίδα 93
... effective length of beam , and 7056 libs . hence 10.24 inches deep nearly . Beams or shafts exposed to lateral pressure are subject to all the foregoing rules , but in the case of water - wheel shafts , & c . , some allowance must be ...
... effective length of beam , and 7056 libs . hence 10.24 inches deep nearly . Beams or shafts exposed to lateral pressure are subject to all the foregoing rules , but in the case of water - wheel shafts , & c . , some allowance must be ...
Σελίδα 112
... effective perpendicular descent and by 60 ; divide the product by 33,000 , and the quotient is the effect expressed in horses ' power . EXAMPLE 1. - Given 16 cubic feet of water per second to be applied to an undershot wheel , the head ...
... effective perpendicular descent and by 60 ; divide the product by 33,000 , and the quotient is the effect expressed in horses ' power . EXAMPLE 1. - Given 16 cubic feet of water per second to be applied to an undershot wheel , the head ...
Σελίδα 117
... effective stroke of 26 inches , and make 30 strokes per minute . 20 × 12 × 6.5 = 1560 cubic feet , and 1560 45 34.66 cubic feet per minute . Then , 34.66 x 2201 26 × 30 And , 34.66 × 62.5 × 53 33000 horses ' power nearly . 9.89 inches ...
... effective stroke of 26 inches , and make 30 strokes per minute . 20 × 12 × 6.5 = 1560 cubic feet , and 1560 45 34.66 cubic feet per minute . Then , 34.66 x 2201 26 × 30 And , 34.66 × 62.5 × 53 33000 horses ' power nearly . 9.89 inches ...
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.