Norris's Hand-book for Locomotive Engineers and Machinists ...H. C. Baird, 1854 - 302 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 17.
Σελίδα 143
... raised one foot high per minute ; and one day's work of a horse , is this power , acting through eight hours . The pressure of steam is calculated in pounds avoir- dupois on the square inch , in perpendicular inches of mercury , and in ...
... raised one foot high per minute ; and one day's work of a horse , is this power , acting through eight hours . The pressure of steam is calculated in pounds avoir- dupois on the square inch , in perpendicular inches of mercury , and in ...
Σελίδα 147
... raise the injection water , and overcome the friction of the axes ......... 0.630 Loss by the steam being cut off before the end of the stroke . 1.000 Power required to work the air - pump ............ 0.500 Amount of deductions 3.680 ...
... raise the injection water , and overcome the friction of the axes ......... 0.630 Loss by the steam being cut off before the end of the stroke . 1.000 Power required to work the air - pump ............ 0.500 Amount of deductions 3.680 ...
Σελίδα 148
... raising 80 barrels per hour , to a height of 54 feet , = 1 horse . 6th . A set of three - throw " starting " pumps , pumping 250 barrels of beer per hour , to a height of 48 feet , 4.87 horses . 7th . Two pair of iron rollers and an ...
... raising 80 barrels per hour , to a height of 54 feet , = 1 horse . 6th . A set of three - throw " starting " pumps , pumping 250 barrels of beer per hour , to a height of 48 feet , 4.87 horses . 7th . Two pair of iron rollers and an ...
Σελίδα 193
... raised , to pass through a greater or a less space than the power which raises it ; for , as power is compounded of the weight or mass of a moving body multiplied into its velocity , a weight passing through a certain space may be made ...
... raised , to pass through a greater or a less space than the power which raises it ; for , as power is compounded of the weight or mass of a moving body multiplied into its velocity , a weight passing through a certain space may be made ...
Σελίδα 194
... raised by 4 men , who can exert a force of 12 cwt .: required the proportionate length of lever ? 3 tons = 60 cwt ... raised . But , al- though the ball is raised by a force of only one- fifth of its weight , no power is gained , for the ...
... raised by 4 men , who can exert a force of 12 cwt .: required the proportionate length of lever ? 3 tons = 60 cwt ... raised . But , al- though the ball is raised by a force of only one- fifth of its weight , no power is gained , for the ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
abscissa Atmospheric Railway avoirdupois axle blast-pipe boiler brass centre circle circular segments Circum circumference cloth coke conjugate connecting-rod copper crank Cube Root cubic feet cubic foot cubic inch curve cylinder cylinder in inches Dauphiny Decimal or Reciprocal diame diameter distance driving wheels eccentric-rod equal EXAMPLE.-Required find the Area find the Solidity fire-box Fraction or Numb friction Frustum fulcrum fulcrum and valve Gallons gauge give the solidity Height Length horses Hyperbola iron Length of Arc leverage locomotive engine metallic mile morocco motion multiply the sum North Shields ordinate Ounces Parabola pipes piston piston-rod plates Pounds pressure quotient radius rails Railway resistance revolving axis RULE RULE.-Multiply RULE.-To find screw segment shaft side smoke-box spindle square inch Square Root steam stroke subtract thickness throw tion tons trapezium tubes valve velocity Volume whole weight yards Zone