Practical Calculations for Engineers: For the Use of Engineering Students, Apprentices, Draughtsmen, Mechanics, Foremen, and Others Practically Engaged in Engineering Work |
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angle antilogs approx approximate B.Th belt boiler bonus Calculate cent centre coal condenser cone constant cost crank cubic cursor curve cylinder decimal point denote diagram diam diameter distance equal equation evaporation Example expansion feet figures fixed pointer flanges force friction ft.-lbs fuel gearing given gives horse-power hour latent heat leading screw length load log-log logarithm logarithmic scale machine mandril mantissa mean effective pressure mechanical advantage mechanical efficiency metal method movable pointer multiply nett number of digits numbers of teeth obtained percentage piston plate plotted poundal proportion pulley quantity quotient radius represented revolutions per minute rope scale screw shaft shown in fig slide rule speed square inch squared paper steam engine stroke student taking temperature thermal efficiency thick tons unit v₁ valve varies velocity ratio volume wages weight wheel
Popular passages
Page 19 - 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...
Page 71 - 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.
Page 23 - The angles in the same segment of a circle are equal to one another.
Page 69 - 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.
Page 22 - 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.
Page 126 - K is the ratio of the specific heats of the gas at constant pressure and at constant volume respectively.
Page 23 - The angle at the centre of a circle is double the angle at the circumference on the same arc.
Page 60 - ... an arc whose length is equal to the radius of the circle. Thus in Fig.