Constructive Text-book of Practical Mathematics, Volumen1J. Wiley & sons, Incorporated, 1912 |
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Página 33
... formulas . For instance , if we wish to know the pitch of a screw which has 7 sharp threads to the inch , the computation may be made by the use of formula ( 1 ) as follows : P = 1 n P === 1429 " To compute the depth of the thread , we ...
... formulas . For instance , if we wish to know the pitch of a screw which has 7 sharp threads to the inch , the computation may be made by the use of formula ( 1 ) as follows : P = 1 n P === 1429 " To compute the depth of the thread , we ...
Página 34
... formula for Dr and compute and fill in the column in the table , carrying all results to four places . 4. U.S. Standard Screw - Threads . Computations on United States standard screw - threads may be made from the formulas below , in ...
... formula for Dr and compute and fill in the column in the table , carrying all results to four places . 4. U.S. Standard Screw - Threads . Computations on United States standard screw - threads may be made from the formulas below , in ...
Página 39
... formula for the weight per square foot for any thickness . 14. By the formula compute and fill in , to three decimal places , the omitted entries in the following table : TABLE 9 WEIGHT SHEET IRON AND STEEL W s W s No. U.S. Gage . t No ...
... formula for the weight per square foot for any thickness . 14. By the formula compute and fill in , to three decimal places , the omitted entries in the following table : TABLE 9 WEIGHT SHEET IRON AND STEEL W s W s No. U.S. Gage . t No ...
Página 53
... formula V = 12.16VP in which V = velocity of flow in feet per second ; P = pressure in pounds per square inch , as read from the gage . Write the law . 11. By the formula of Problem 10 , compute the flow in feet per second , under a ...
... formula V = 12.16VP in which V = velocity of flow in feet per second ; P = pressure in pounds per square inch , as read from the gage . Write the law . 11. By the formula of Problem 10 , compute the flow in feet per second , under a ...
Página 54
... formula of Problem 17 , compute the volume in cubic inches , of an iron ball 11 inches in diameter . 19. Weight of a Cast - iron Ball . If the iron ball of Problem 18 weighs .26 lb. per cubic inch , formulate and compute its weight to ...
... formula of Problem 17 , compute the volume in cubic inches , of an iron ball 11 inches in diameter . 19. Weight of a Cast - iron Ball . If the iron ball of Problem 18 weighs .26 lb. per cubic inch , formulate and compute its weight to ...
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Términos y frases comunes
10-thousandths acute angle amperes apothem avoirdupois belt boiler circumference Compute and fill Compute the horse-power Compute the number Compute the weight cosine cubic foot cubic inches cylinder decimal places decimal point denotes depth determined dimensions distance divided division divisor Draw effective pull engine equals equation exponent feet per minute following table formula Formulate and compute fraction frustum gallons graduation hypotenuse inches in diameter integral figures kilowatts lathe leadscrew logarithm mantissa Measure meter metric micrometer motor multiplied notation number of revolutions number of threads omitted entries paragraph number piece piston pitch pounds preceding pressure pulley pump radius ratio reading regular polygon revolutions per minute right triangle rule scale screw screw thread SECTION shown side sine slide-rule Solve the following spindle square inch standard thread stroke subtracted tangent thimble threads per inch units velocity vernier voltage volume work-book
Pasajes populares
Página 28 - Divide as in whole numbers, and point off" as many decimal places in the quotient as the number of decimal places in the dividend exceeds the number in the divisor.
Página 448 - In a triangle, the square of any side is equal to the sum of the squares of the other two sides minus...
Página 208 - How many cubic yards of earth must be .removed in digging a cellar 36 ft.
Página 401 - The characteristic of the logarithm of a number greater than unity, is one less than the number of integral figures in the given number.
Página 28 - If the number of decimal places in the dividend is less than the number in the divisor, annex ciphers to the dividend till there are as many or more decimal places as in the divisor.
Página 177 - Add together the first ordinate, the last ordinate, twice, the sum of the other odd ordinates, and four times the sum of the even ordinates. Multiply this sum by the extreme length of the diagram, and divide the FIG.
Página 383 - Hence the characteristic is n — 1 ; that is, the characteristic of the logarithm of a number greater than unity is less by one than the number of digits in its integral part, and is positive.
Página 57 - J, is called reducing the fraction to its lowest terms. A fraction is said to be in its lowest terms when no number greater than 1 will divide its numerator and denominator without a remainder.
Página 389 - The logarithm of the quotient of two positive numbers is found by subtracting the logarithm of the divisor from the logarithm of the dividend. (6) The logarithm of a power of a positive number is found by multiplying the logarithm of the number by the exponent of the power. For, N" = (oT)
Página 225 - Specific Gravity. The specific gravity of a substance is the ratio of the weight of the substance to the weight of the same volume of...