ArithmeticU.S. Government Printing Office, 1913 - 132 σελίδες |
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Σελίδα 26
... feet 5 yards , or 16 feet . 320 rods . Mi. Rd . Yd . Ft . = 1 foot ( ft . ) = 1 yard ( yd . ) 1 rod ( rd . ) -1 mile ... Square measure . 144 square inches ( sq . in . ) 9 square feet .. 30 square yards . 640 acres .. 160 square rods ...
... feet 5 yards , or 16 feet . 320 rods . Mi. Rd . Yd . Ft . = 1 foot ( ft . ) = 1 yard ( yd . ) 1 rod ( rd . ) -1 mile ... Square measure . 144 square inches ( sq . in . ) 9 square feet .. 30 square yards . 640 acres .. 160 square rods ...
Σελίδα 48
... feet of grate surface in a boiler and 93 pounds of coal were burned per square foot of grate surface , per hour , what amount of coal would be burned in 24 hours ? Answer , 21,460 pounds . 12. If 43 pounds of water was evaporated per ...
... feet of grate surface in a boiler and 93 pounds of coal were burned per square foot of grate surface , per hour , what amount of coal would be burned in 24 hours ? Answer , 21,460 pounds . 12. If 43 pounds of water was evaporated per ...
Σελίδα 51
... square feet weighs 48312 % pounds . What is its weight per square foot ? Answer , 2012 12. A man , in shaping a piece of work with a planer , regulated the machine so that at each cut of the tool a chip of inch was taken . The surface ...
... square feet weighs 48312 % pounds . What is its weight per square foot ? Answer , 2012 12. A man , in shaping a piece of work with a planer , regulated the machine so that at each cut of the tool a chip of inch was taken . The surface ...
Σελίδα 53
... square rod . An- swer , J. 6. Reduce of a dollar to the fraction of a cent . Answer , . 7. Reduce of a day to the ... feet 3 inches is what part of a yard ? 2 ft . 3 in . = 27 in . 1 yd . = 36 in . 1 = 1 . Solution . - 2 feet 3 inches ...
... square rod . An- swer , J. 6. Reduce of a dollar to the fraction of a cent . Answer , . 7. Reduce of a day to the ... feet 3 inches is what part of a yard ? 2 ft . 3 in . = 27 in . 1 yd . = 36 in . 1 = 1 . Solution . - 2 feet 3 inches ...
Σελίδα 56
... square Answer , 7.552 pounds . 25. If 1 square foot of sheet iron pounds , what will be the weight to the foot of sheet iron of an inch thick ? 26. One section of pipe is 3 feet long . If this section is only of another section , how ...
... square Answer , 7.552 pounds . 25. If 1 square foot of sheet iron pounds , what will be the weight to the foot of sheet iron of an inch thick ? 26. One section of pipe is 3 feet long . If this section is only of another section , how ...
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.