Engineers' Handy-book: Containing Facts, Formulæ, Tables, and Questions on Power, Its Generation, Transmission and Measurement ... Together with a Discussion of the Fundamental Experiments in Electricity ...D. McKay, 1907 - 844 σελίδες |
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Άλλες εκδόσεις - Προβολή όλων
Engineer's Handy-book: Containing Facts, Formulæ, Tables and Questions ... Stephen Roper Προβολή αποσπασμάτων - 1900 |
Engineers' Handy-Book: Containing Facts, Formulæ, Tables and Questions on ... Stephen Roper Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2013 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acid amount ampères atmosphere belt boiler carbon carbonic acid cause cent centre chimney circuit coal coil combustion compression condenser connected copper crank crank-pin cubic feet cubic foot cut-off cylinder diagram diameter distance eccentric electric equal evaporated exhaust expansion feed water feed-water feet per minute fire fire-tube boilers flue force friction fuel furnace gases gauge give governor grate heater horse-power indicator diagrams injector iron latent heat length lever lift load locomotive loss machine mean effective pressure mechanical mercury motion motor multiply number of revolutions oxygen pipe piston plate pounds per square produce proportion pulley pump quantity resistance revolutions per minute Rule for finding salinometer screw shaft shows specific gravity speed square inch steam engine stroke surface condenser temperature tensile strength thickness tube vacuum valve velocity volts water-tube boiler weight wire zinc
Δημοφιλή αποσπάσματα
Σελίδα 795 - To find the area of a segment of a circle: Find the area of the sector which has the same arc, and also the area of the triangle formed by the chord of the segment and the radii of the sector.
Σελίδα 598 - 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...
Σελίδα 598 - Specific Gravity of a body is the relation of its weight, compared with the weight of some other body of the same magnitude. A body immersed in a fluid will sink if its specific gravity be greater than that of the fluid; but if it be less, the body will rise to the top, and will be only partly uncovered.
Σελίδα 84 - The capacity of a body for heat is termed its specific heat, and may be defined as the number of units of heat necessary to raise the temperature of 1 Ib. of that body 1° Fah.
Σελίδα 152 - The resistance at the opening, and that at a globe valve, are each about the same as that for a length of pipe equal to 114 diameters divided by a number represented by 1 + (3.
Σελίδα 764 - ... 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 1 - This distinction is wholly artificial, for the same force may act in any of these modes ; it may sometimes be a statical and sometimes an accelerating force. Force is any action which can be expressed simply by weight, and is distinguished by a great variety of terms, such as attraction, repulsion, gravity, pressure, tension, compression, cohesion, adhesion, resistance, inertia, strain, stress, strength, thrust, burden, load, squeeze, pull, push, pinch, punch, etc., all of which may be measured or...
Σελίδα 789 - To find any root of a number, divide the logarithm of the number by the index of the root...
Σελίδα 132 - ... will be increased. The density of water decreases as the temperature increases, since heat destroys cohesion and expands the particles, causing them to occupy greater space. The power of water to hold chemical substances, such as salts of lime, in solution, decreases as the temperature increases ; from this it follows that boilers carrying high-pressure steam form more scale than those working at low temperatures.
Σελίδα 598 - The difference in weight is the weight of an equal bulk of water. Divide the weight in air by the weight of the equal bulk of water and the quotient is the specific gravity.