Norris's Hand-book for Locomotive Engineers and Machinists ...H. C. Baird, 1854 - 302 σελίδες |
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Σελίδα 54
... nearly . EXAMPLE . - Required the area of the segment of a circle , the chord being 12 , and the versed sine 2 . 24 12 x 2 = 24 ; 8 ; and 8 × 2 = 16 . 3 23 24 ( 12 x 2 ) Hence 163333 segment very nearly . × = · 3333 . 16.3333 , the area ...
... nearly . EXAMPLE . - Required the area of the segment of a circle , the chord being 12 , and the versed sine 2 . 24 12 x 2 = 24 ; 8 ; and 8 × 2 = 16 . 3 23 24 ( 12 x 2 ) Hence 163333 segment very nearly . × = · 3333 . 16.3333 , the area ...
Σελίδα 100
... nearly , Ans . To find more nearly the cube root of a higher number than is in the table . RULE . - Ascertain , by the table , the nearest cube number to the number given , and call it the assumed cube . Multiply the assumed cube and ...
... nearly , Ans . To find more nearly the cube root of a higher number than is in the table . RULE . - Ascertain , by the table , the nearest cube number to the number given , and call it the assumed cube . Multiply the assumed cube and ...
Σελίδα 101
... nearly , Ans . To find the square or cube root of a number contain- ing decimals . Subtract the square root or cube root of the integer of the given number from the root of the next higher number , and multiply the difference by the ...
... nearly , Ans . To find the square or cube root of a number contain- ing decimals . Subtract the square root or cube root of the integer of the given number from the root of the next higher number , and multiply the difference by the ...
Σελίδα 109
... nearly . RULE 2.- As 180 is to the number of degrees in the arc ; So is 3.1416 times the radius to its length . Or , as 3 is to the number of degrees in the arc ; So is 05236 times the radius its length . To find the Area of a Sector of ...
... nearly . RULE 2.- As 180 is to the number of degrees in the arc ; So is 3.1416 times the radius to its length . Or , as 3 is to the number of degrees in the arc ; So is 05236 times the radius its length . To find the Area of a Sector of ...
Σελίδα 111
... nearly . To find the Area of an Ellipse , fig . 15 . RULE . - Multiply the transverse diameter , a b , by the conjugate e d , and the product by 7854 . To find the Area of an Elliptic Segment , fig . 16 . RULE . - Divide the height of ...
... nearly . To find the Area of an Ellipse , fig . 15 . RULE . - Multiply the transverse diameter , a b , by the conjugate e d , and the product by 7854 . To find the Area of an Elliptic Segment , fig . 16 . RULE . - Divide the height of ...
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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