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 149
... indicated by writing :: between the ratios , thus : 8 2:16 4 indicates a proportion and is read , eight is to two , as , sixteen is to four . NOTE . The sign is an abbreviated form of ÷ and has a like mean- ing . In proportion , three ...
... indicated by writing :: between the ratios , thus : 8 2:16 4 indicates a proportion and is read , eight is to two , as , sixteen is to four . NOTE . The sign is an abbreviated form of ÷ and has a like mean- ing . In proportion , three ...
Σελίδα 155
... indicate equal increments of temperature . A sufficient quantity of mercury having been intro- duced , it is boiled to expel air and moisture , and the tube is hermetically sealed . The freezing and the boiling points on the scale are ...
... indicate equal increments of temperature . A sufficient quantity of mercury having been intro- duced , it is boiled to expel air and moisture , and the tube is hermetically sealed . The freezing and the boiling points on the scale are ...
Σελίδα 161
... Indicated , and 3. Effective . Engineers and others who have not carefully considered the matter , often use the above as synonymous- -or having the same meaning ; but in this they are wrong , as the meaning is very far from the same ...
... Indicated , and 3. Effective . Engineers and others who have not carefully considered the matter , often use the above as synonymous- -or having the same meaning ; but in this they are wrong , as the meaning is very far from the same ...
Σελίδα 221
... indicates that the The Parenthesis ( ) or Vinculum included quantities are taken collectively or as one quantity . Example . - 3 ( a + b ) and 3a + 3 each denote that the sum of a and is multiplied by 3 . The character ... denotes hence ...
... indicates that the The Parenthesis ( ) or Vinculum included quantities are taken collectively or as one quantity . Example . - 3 ( a + b ) and 3a + 3 each denote that the sum of a and is multiplied by 3 . The character ... denotes hence ...
Σελίδα 237
... indicated by the steam gauge . This will give the strain on one bolt . Multiply this by the number of bolts upon which it is desired to find the strain and the result will be the answer to the question . EXAMPLE . Suppose that the bolts ...
... indicated by the steam gauge . This will give the strain on one bolt . Multiply this by the number of bolts upon which it is desired to find the strain and the result will be the answer to the question . EXAMPLE . Suppose that the bolts ...
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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.