Mathematics, mechanics, heatAmerican School of Correspondence, 1903 |
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Página 59
... Wrought iron on wrought iron Wrought iron on cast iron Steel on cast iron Brass on cast iron Coefficient of Friction . .25 to .41 .28 to .38 .30 to .40 .21 to .23 Timber on stone .40 Iron on stone .30 to .70 Timber on timber .20 to .50 ...
... Wrought iron on wrought iron Wrought iron on cast iron Steel on cast iron Brass on cast iron Coefficient of Friction . .25 to .41 .28 to .38 .30 to .40 .21 to .23 Timber on stone .40 Iron on stone .30 to .70 Timber on timber .20 to .50 ...
Página 10
... wrought iron bar , to stand a tensile stress of fifty tons . Breaking stress 50,000 pounds per square inch . Ans . 1.6 - inches . 4. A tensile stress of 4500 pounds is applied to a wrought inch in diameter . Find the unit stress . iron ...
... wrought iron bar , to stand a tensile stress of fifty tons . Breaking stress 50,000 pounds per square inch . Ans . 1.6 - inches . 4. A tensile stress of 4500 pounds is applied to a wrought inch in diameter . Find the unit stress . iron ...
Página 12
... wrought iron , and wood are usually given the same as those calculated by tensile tests , but many believe the average values of coefficients of elasticity and elastic limit are greater for compression than for tension . SHEAR . The ...
... wrought iron , and wood are usually given the same as those calculated by tensile tests , but many believe the average values of coefficients of elasticity and elastic limit are greater for compression than for tension . SHEAR . The ...
Página 13
... Wrought Iron 4 6 10 Cast Iron 6 15 20 Brick and Stone 15 25 30 Timber 8 10 15 EXAMPLES FOR PRACTICE . 1. The ultimate strength of a piece of mild steel is 64,000 pounds per square inch . What load will be supported by a bar 2 inches in ...
... Wrought Iron 4 6 10 Cast Iron 6 15 20 Brick and Stone 15 25 30 Timber 8 10 15 EXAMPLES FOR PRACTICE . 1. The ultimate strength of a piece of mild steel is 64,000 pounds per square inch . What load will be supported by a bar 2 inches in ...
Página 16
... wrought iron pipe four inches in diameter , with an internal pressure of 140 pounds per square inch , if 4000 pounds per square inch is the allowable working pressure ? Ans . .07 inch . 2. Find the pressure head in a cast iron pipe 20 ...
... wrought iron pipe four inches in diameter , with an internal pressure of 140 pounds per square inch , if 4000 pounds per square inch is the allowable working pressure ? Ans . .07 inch . 2. Find the pressure head in a cast iron pipe 20 ...
Términos y frases comunes
acting altitude amount beam body called center of gravity chart circle coefficient compass Corollary course cubic dead reckoning decimal degrees diameter direction distance divided earth elastic elastic limit energy equal equation EXAMPLES FOR PRACTICE factor of safety feet per second foot foot-pounds force formula friction gear given greater Greenwich mean heat Hence hour angle hypothenuse kinetic latitude length liquid load logarithm longitude magnetism mantissa mercury meridian miles minute molecules motion move multiplied Nautical orifice parallel parallelogram pendulum perpendicular plane polygon position poundal pounds per square pressure proportional pulley quadrant radius resultant revolutions revolutions per minute right angles right triangles sextant shaft ship ship's side specific gravity square inch straight line stress substance surface temperature Theorem tion triangles A B C unit velocity vertical vessel weight wheel wrought iron
Pasajes populares
Página 70 - PROBLEM. To inscribe a circle in a given triangle. Let ABC be the given triangle : it is required to inscribe a circle in the triangle ABC.
Página 39 - A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center.
Página 32 - If the diagonals of a quadrilateral bisect each other, the figure is a parallelogram.
Página 6 - Every body continues in its state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by forces impressed upon it.
Página 7 - If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line.
Página 54 - If two polygons are composed of the same number of triangles, similar each to each and similarly placed, the polygons are similar.
Página 21 - If two triangles have two sides, and the included angle of the one equal to two sides and the included angle of the other, each to each, the two triangles are equal in all respects.
Página 31 - If two sides of a quadrilateral are equal and parallel, the figure is a parallelogram.
Página 60 - The area of a triangle is equal to one-half the product of its base and altitude.
Página 46 - An angle formed by a tangent and a chord is measured by onehalf the intercepted arc.