ArithmeticU.S. Government Printing Office, 1913 - 132 σελίδες |
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Αποτελέσματα 1 - 5 από τα 13.
Σελίδα 32
... trial . TO RESOLVE A NUMBER INTO ITS PRIME FACTORS . 1. Resolve 30 into its prime factors . Solution . - 2 is a factor of 30. Dividing 30 by 2 the quotient is 15 ; 3 being a factor of 15 is also a factor of 30. Dividing 15 by 3 the ...
... trial . TO RESOLVE A NUMBER INTO ITS PRIME FACTORS . 1. Resolve 30 into its prime factors . Solution . - 2 is a factor of 30. Dividing 30 by 2 the quotient is 15 ; 3 being a factor of 15 is also a factor of 30. Dividing 15 by 3 the ...
Σελίδα 56
... trial in which the first one devel- oped 1,875 horsepower . This was of the horsepower developed by the second engine . The third engine developed 1 of the horsepower of the first engine . How many horsepower did they each develop ...
... trial in which the first one devel- oped 1,875 horsepower . This was of the horsepower developed by the second engine . The third engine developed 1 of the horsepower of the first engine . How many horsepower did they each develop ...
Σελίδα 58
... trial of a boiler having a grate surface of 963 square feet there were used 323 pounds of coal per square foot of grate surface per hour . How many tons of coal were burned ? Answer , 25 tons . 19. A man served 13 years of his 4 year ...
... trial of a boiler having a grate surface of 963 square feet there were used 323 pounds of coal per square foot of grate surface per hour . How many tons of coal were burned ? Answer , 25 tons . 19. A man served 13 years of his 4 year ...
Σελίδα 67
... trials she only made 18.87 knots . How much more was made on her standardization runs than on her speed trials . Answer , .33 knot . MULTIPLICATION OF DECIMALS . XV . Multiplication of decimals is ARITHMETIC FOR SCHOOL FOR NAVAL ...
... trials she only made 18.87 knots . How much more was made on her standardization runs than on her speed trials . Answer , .33 knot . MULTIPLICATION OF DECIMALS . XV . Multiplication of decimals is ARITHMETIC FOR SCHOOL FOR NAVAL ...
Σελίδα 77
... trial of a battleship . From a test it was found that 1 pound of the coal used contained 14,535 heat units . If 65 % of the total energy stored up in the coal was converted into useful work , how many of the heat units in each pound of ...
... trial of a battleship . From a test it was found that 1 pound of the coal used contained 14,535 heat units . If 65 % of the total energy stored up in the coal was converted into useful work , how many of the heat units in each pound of ...
Συχνά εμφανιζόμενοι όροι και φράσεις
altitude annex a cipher Answer apples base boiler bought bunker called cents left cipher circle circumference column common fraction contained cost cube root cubic feet cubic foot cubic inches cylinder decimal orders decimal places decimal point Divide dividend division dollar engine equal expressed fireroom frustum gallons greatest common divisor Hence horsepower hundredths improper fraction inches in diameter integer lathe lead screw least common multiple length lowest terms miles millionths minuend minutes mixed number multiplicand Multiply ounces period perpendicular piece pounds prime factors prime number pump quotient ratio Reduce remainder result revolutions revolutions per minute right angle rods RULE second figure ship sides simple fraction simple numbers Solution specific gravity square feet square inches square root steam subtract surface tank ten-thousandths tens tenths third thousand thousandths threads per inch tons of coal total number trial divisor triangle valve weighs write yards
Δημοφιλή αποσπάσματα
Σελίδα 15 - Multiplication is the process of taking one number as many times as there are units in another.
Σελίδα 26 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Σελίδα 28 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Σελίδα 118 - Divide the continued product of the mean effective pressure in pounds per square inch, the length of the stroke in feet,, the area of the piston in square inches, and the number of strokes per minute, by 33,000 ; the result will be the horsepower.
Σελίδα 30 - COUNTING. 12 units or things make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units
Σελίδα 33 - Write the remaining numbers in a horizontal line, and divide by any prime number that will exactly divide two or more of them, placing the quotients and the undivided numbers in a line beneath.
Σελίδα 115 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Σελίδα 87 - ... 9,801; with three figures 999, and 999' = 998,001; with four figures 9,999, and 9,999' = 99,980,001, etc. In each of the above it will be noticed that the square of the number contains just twice as many figures as the number. In order to find the square root of a number, the first step is to find how many figures there will be in the root. This is done by pointing off the number into periods of two figures each, beginning at the right.
Σελίδα 19 - The dividend is the number to be divided. The divisor is the number by which we divide.
Σελίδα 26 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.