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 152
... light it absorbs a part of the heat and reflects the rest . The greater or less proportion of heat absorbed by the body is the measure of its absorbing power , and the reflected heat is the measure of its reflecting power . The ...
... light it absorbs a part of the heat and reflects the rest . The greater or less proportion of heat absorbed by the body is the measure of its absorbing power , and the reflected heat is the measure of its reflecting power . The ...
Σελίδα 154
... light and sound are but different manifestations of motion— thus , the intense heat of the furnace is the result of an amazing rapidity of motion taking place among the particles during the decomposition of the mass of fuel ...
... light and sound are but different manifestations of motion— thus , the intense heat of the furnace is the result of an amazing rapidity of motion taking place among the particles during the decomposition of the mass of fuel ...
Σελίδα 212
... light . Gravity extends to all known bodies in the universe , from the smallest to the greatest ; by it all bodies are drawn toward the center of the earth , not because there is any peculiar prop- erty or power in the center , but ...
... light . Gravity extends to all known bodies in the universe , from the smallest to the greatest ; by it all bodies are drawn toward the center of the earth , not because there is any peculiar prop- erty or power in the center , but ...
Σελίδα 269
... light , is called one candle power . Light can be meas- ured with great accuracy , owing to an invariable law , which is similar to the law of gravitation . If two lights of unequal power be made to shine on the sur- face of a smooth ...
... light , is called one candle power . Light can be meas- ured with great accuracy , owing to an invariable law , which is similar to the law of gravitation . If two lights of unequal power be made to shine on the sur- face of a smooth ...
Σελίδα 270
... LIGHT . The intensity , and consequent value of light is as the square of its distance . EXAMPLE . = Suppose a candle be 6 feet from the wall and a gas light 12 feet , to be of equal shades , then 62 36 and 122-144 making the gas light ...
... LIGHT . The intensity , and consequent value of light is as the square of its distance . EXAMPLE . = Suppose a candle be 6 feet from the wall and a gas light 12 feet , to be of equal shades , then 62 36 and 122-144 making the gas light ...
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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.