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 viii
... direction except down- wards ; to be helped and to help is the universal law . In no profession more than steam engineering does this law hold truer , and while the editor has written down the hard problems he has all the time , while ...
... direction except down- wards ; to be helped and to help is the universal law . In no profession more than steam engineering does this law hold truer , and while the editor has written down the hard problems he has all the time , while ...
Σελίδα 60
... direction on the thicker part as in fig . 9 . We see here exemplified the principle , that the weight sus- tained by a given power , may be increased as its velocity is di- minished . By inspecting fig . 9 it will be seen that the rope ...
... direction on the thicker part as in fig . 9 . We see here exemplified the principle , that the weight sus- tained by a given power , may be increased as its velocity is di- minished . By inspecting fig . 9 it will be seen that the rope ...
Σελίδα 62
... direction . The practical effect of the machine depends upon the rope , the wheel being introduced to diminish friction and the effect of imperfect flexibility , but the whole effect of imperfect flexi- bility and friction are not de ...
... direction . The practical effect of the machine depends upon the rope , the wheel being introduced to diminish friction and the effect of imperfect flexibility , but the whole effect of imperfect flexi- bility and friction are not de ...
Σελίδα 66
... direction of the forces without modifying the intensity of the power . But the pulley may be employed as a lever of the second kind by suspending the weight to the axis of the pulley , and fixing one end of the cord to a spot as a ...
... direction of the forces without modifying the intensity of the power . But the pulley may be employed as a lever of the second kind by suspending the weight to the axis of the pulley , and fixing one end of the cord to a spot as a ...
Σελίδα 67
... direction in which the load is moving . But when the horse is drawing a load up a hill he has not only these impediments to overcome but he lifts a part of the load . If the rise is 1 foot in 20 , he lifts one twentieth of the load ; if ...
... direction in which the load is moving . But when the horse is drawing a load up a hill he has not only these impediments to overcome but he lifts a part of the load . If the rise is 1 foot in 20 , he lifts one twentieth of the load ; if ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
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.