Hand Book of Calculations for Engineers and Firemen: Relating to the Steam Engine, the Steam Boiler, Pumps, Shafting, Etc. ...T. Audel & Company, 1901 - 319 σελίδες |
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Σελίδα 14
... resistance is the ohm ; the unit of current strength or volume , is the ampere ; the unit of current quantity consid .. ered with reference to time is the coulomb ; the electric unit of capacity is the farad ; the unit of electric power ...
... resistance is the ohm ; the unit of current strength or volume , is the ampere ; the unit of current quantity consid .. ered with reference to time is the coulomb ; the electric unit of capacity is the farad ; the unit of electric power ...
Σελίδα 46
... resistance both to change of shape , and to change of bulk . A FLUID is a body which offers no resistance to change of shape . Fluids again , can be divided into liquids and vapors or gases . Water is the most familiar example of a ...
... resistance both to change of shape , and to change of bulk . A FLUID is a body which offers no resistance to change of shape . Fluids again , can be divided into liquids and vapors or gases . Water is the most familiar example of a ...
Σελίδα 51
... resistance . Thus , in each cal- culation , in figuring the problems relating to the safety - valve , the weight of the valve , spindle and lever have to be taken into the estimate . A special rule ( with illustrations ) will be given ...
... resistance . Thus , in each cal- culation , in figuring the problems relating to the safety - valve , the weight of the valve , spindle and lever have to be taken into the estimate . A special rule ( with illustrations ) will be given ...
Σελίδα 57
... resistance , the space through which it acts at one time is small and the work must be accomplished by a succession of short and intermitting efforts . The common lever is , therefore , used only in cases where weights are required to ...
... resistance , the space through which it acts at one time is small and the work must be accomplished by a succession of short and intermitting efforts . The common lever is , therefore , used only in cases where weights are required to ...
Σελίδα 59
... resistance would he overcome ? Ans . 800 lbs . THE CHINESE WHEEL AND AXLE . To combine the requisite strength with moderate dimensions and great mechanical power has been accomplished by giving different thicknesses to different parts ...
... resistance would he overcome ? Ans . 800 lbs . THE CHINESE WHEEL AND AXLE . To combine the requisite strength with moderate dimensions and great mechanical power has been accomplished by giving different thicknesses to different parts ...
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algebra amount Answer AREAS OF CIRCLES arithmetic atmosphere belt body boiler calculations called Circum CIRCUMFERENCES AND AREAS condenser CONTAINING THE DIAMETERS crank cubic feet cubic foot cubic inches degrees denominator Diam distance divide the product divisor draw dynamo eccentric electricity equal EXAMPLES FOR EXERCISE expressed figure find the area force fraction fulcrum gallon given heating surface hence horse power inclined plane iron latent heat lever mean effective pressure means measure mechanical metal minute motion NOTE perpendicular piece pipe piston rod PROBLEM pulley pump quantity quotient radius Reduce remainder resistance revolutions per minute rope RULE safety valve screw sensible heat shaft sides solid space specific gravity square feet square inch square root STEAM BOILER steam engine strength STRENGTH OF MATERIALS subtract temperature tion triangle tube unit of heat velocity vulgar fraction wedge weight wheel and axle wire
Δημοφιλή αποσπάσματα
Σελίδα 32 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 150 - ... multiply the second and third terms together, and divide the product by the first for the answer, which will always be of the same denomination as the third iesa.
Σελίδα 108 - Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator.
Σελίδα 36 - A pile of wood 8 feet long, 4 feet wide, and 4 feet high, contains 1 cord; and a cord foot is 1 foot in length of such a pile.
Σελίδα 130 - If equals be taken from equals the remainders are equal. 4. If equals be added to unequals the wholes are unequal. 5. If equals be taken from unequals the remainders are unequal. 6. Things which are double of the same are equal to one another.
Σελίδα 261 - The distance from the center of the .shaft to the center of the eccentric is called the radius, and twice this distance is termed the "throw.
Σελίδα 37 - TABLE. 4 farthings (far. or qr.) make 1 penny, d. 12 pence " 1 .shilling, s. 20 shillings " 1 pound or sovereign, £ or sov.
Σελίδα 102 - The surface of a sphere is equal to the convex surface of the circumscribing cylinder ; and the solidity of the sphere is two thirds the solidity of the circumscribing cylinder.
Σελίδα 14 - British thermal unit (BTU) is the amount of heat required to raise one pound of water one degree Fahrenheit.
Σελίδα 31 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.