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 58
... diam- eter . Now then 2 feet = 30 inches . 50 lbs power . Radius of axle 6 ) 1500 250 lbs . answer . NOTE . There ... diam . of axle 5 diam . of wheel 25 ) 2000 ( 80 lbs . Ans . 2000 THE WHEEL AND AXLE . A ship's capstan is another 58 ...
... diam- eter . Now then 2 feet = 30 inches . 50 lbs power . Radius of axle 6 ) 1500 250 lbs . answer . NOTE . There ... diam . of axle 5 diam . of wheel 25 ) 2000 ( 80 lbs . Ans . 2000 THE WHEEL AND AXLE . A ship's capstan is another 58 ...
Σελίδα 59
... diam . - 6 . Number of men 6 36 Lbs . for each man 80 Divide by radius of axle 1 ) 2880 2880 lbs . Ans . If an allowance of ten per cent . is made for friction and the rigidity of the cord , the answer will be 2592 lbs . Ans . EXAMPLE ...
... diam . - 6 . Number of men 6 36 Lbs . for each man 80 Divide by radius of axle 1 ) 2880 2880 lbs . Ans . If an allowance of ten per cent . is made for friction and the rigidity of the cord , the answer will be 2592 lbs . Ans . EXAMPLE ...
Σελίδα 66
... diam- eter , A C B , in which B is the fulcrum . In acting as a lever of the third kind , the power is applied to the axis a in Fig . 15 , one end of the cord being fixed at b and the weight attached to the other end , c . In the last ...
... diam- eter , A C B , in which B is the fulcrum . In acting as a lever of the third kind , the power is applied to the axis a in Fig . 15 , one end of the cord being fixed at b and the weight attached to the other end , c . In the last ...
Σελίδα 71
... lever 6 feet 72 inches diam . 100 power . 7200 3.14 to get circum . 28800 7200 21600 divide by pitch 5 ) 22608.00 .25 5 ) 452160 90432 Ans . in lbs . THE SCREW . If the pitch of screw and length Hand Book of Calculations . 71.
... lever 6 feet 72 inches diam . 100 power . 7200 3.14 to get circum . 28800 7200 21600 divide by pitch 5 ) 22608.00 .25 5 ) 452160 90432 Ans . in lbs . THE SCREW . If the pitch of screw and length Hand Book of Calculations . 71.
Σελίδα 72
... diam . X12 = 48 4 ) 36000 inches 314-15072 ) 90000 ( 59 lbs .. 75360 146400 135648 10752 NOTE . Cut or Fig . 20 gives a view of the winding path of the endless screw . Fig . 20 . THE WEDGE . The wedge is a pair of inclined 72 Hand Book ...
... diam . X12 = 48 4 ) 36000 inches 314-15072 ) 90000 ( 59 lbs .. 75360 146400 135648 10752 NOTE . Cut or Fig . 20 gives a view of the winding path of the endless screw . Fig . 20 . THE WEDGE . The wedge is a pair of inclined 72 Hand Book ...
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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.