Practical Calculations for Engineers: For the Use of Engineering Students, Apprentices, Draughtsmen, Mechanics, Foremen, and Others Practically Engaged in Engineering WorkC. Griffin, Limited, 1909 - 463 sider |
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Vanlige uttrykk og setninger
120 revolutions angle antilogs approx B.Th belt boiler bonus Calculate calorimeter cent centre centrifugal force coal condenser cone cost crank cubic curve cylinder denote diagram diam diameter distance driving effort energy equal equation Example exerted expansion feet figure flywheel force friction ft.-lbs fuel gearing given gives horse-power hour latent heat lathe leading screw length lever lifted load logarithms machine mandril mantissa mass mean effective pressure mechanical efficiency momentum multiply nett number of digits numbers of teeth obtained percentage pinion piston plate plotted pointer poundal proportion pulley quantity quotient radius radius of gyration represents resistance revolutions per minute rope rotating scale shaft shown in fig slide slide rule speed square inch squared paper steam engine stroke taking temperature tons transmitted unit v₁ valve varies velocity ratio volume wages weight wheel
Populære avsnitt
Side 59 - Root of a Number: Divide the logarithm of the number by the index of the root ; the quotient is the logarithm of the required root of the number.
Side 24 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Side 25 - The angle at the centre of a circle is double the angle at the circumference on the same arc.
Side 57 - If the given number is greater than 1, make the characteristic of its logarithm one less than the number of figures to the left of the decimal point in the number.
Side 88 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Side 25 - The angles in the same segment of a circle are equal to one another.
Side 21 - Therefore, the specific gravity of a solid or a liquid body is the ratio of its weight to the weight of an equal volume of water...
Side 26 - ... the square on the hypothenuse is equal to the sum of the squares on the other two sides.
Side 244 - The change in motion is proportional to the applied force, and takes place in the direction in which the force acts.
Side 14 - Quantities are said to be in continued proportion when the first is to the second, as the second is to the third, as the third to the fourth ; and so on.