The engineers' manual of the Local marine examinations |
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Page 144
... length and yard in breadth , how broad is another piece which is 12 yards long , and which contains as much cloth as the other ? - As the length of the second piece is less than that of the first , its breadth must necessarily be ...
... length and yard in breadth , how broad is another piece which is 12 yards long , and which contains as much cloth as the other ? - As the length of the second piece is less than that of the first , its breadth must necessarily be ...
Page 156
... length , miles breadth , feet depth , feet soldiers instead of navvies 6 : ro 20 : 10 20 : 30 :: 1500 men : Answer , men . 6 : 7 : 10 125 250 10 Answer 1500 × X 6 20 2 X 5 15 80 X = 15625 7 2232 men . Answer . Ex . 5. If 10 men dig a ...
... length , miles breadth , feet depth , feet soldiers instead of navvies 6 : ro 20 : 10 20 : 30 :: 1500 men : Answer , men . 6 : 7 : 10 125 250 10 Answer 1500 × X 6 20 2 X 5 15 80 X = 15625 7 2232 men . Answer . Ex . 5. If 10 men dig a ...
Page 178
... length by the breadth ; the result is the required area . NOTE . The dimensions must be of the same denominations , such as both feet or both inches , & c .; and if the product be inches , divide by 144 for feet , and if feet by 9 for ...
... length by the breadth ; the result is the required area . NOTE . The dimensions must be of the same denominations , such as both feet or both inches , & c .; and if the product be inches , divide by 144 for feet , and if feet by 9 for ...
Page 179
... LENGTH × the BREADTH , it follows that if any two of these be given , the third may be found as follows : - : - 1. The Area may be found by multiplying the Length by the Breadth . 2 . The Length may be found by dividing the Area by the ...
... LENGTH × the BREADTH , it follows that if any two of these be given , the third may be found as follows : - : - 1. The Area may be found by multiplying the Length by the Breadth . 2 . The Length may be found by dividing the Area by the ...
Page 180
... length of a parallelogram is 12 feet and its breadth 8 feet : what is its area . 6. A rectangle is to contain 133 square inches : what must be its length when the breadth is 7 inches . 7 . What length must be cut off a rectangular board ...
... length of a parallelogram is 12 feet and its breadth 8 feet : what is its area . 6. A rectangle is to contain 133 square inches : what must be its length when the breadth is 7 inches . 7 . What length must be cut off a rectangular board ...
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The Engineers' Manual of the Local Marine Examinations Thomas Liddell Ainsley No preview available - 2015 |
Common terms and phrases
air-pump Answer area of valve atmospheric line boiler bolts bottom cent centre circumference coal condenser contains cost crank cubic feet cubic foot cubic inches cyphers decimal denominator diagram distance divide dividend divisor effective pressure engine equal EXAMINATION PAPER-No EXAMPLES FOR PRACTICE exhaust figure fraction gallons heat high pressure horse-power hundred inches diameter inches of mercury indicator indicator diagram length of stroke lever mean effective pressure miles multiplicand multiply piston pitch plates port pounds pressure cylinder pressure of steam pressure per square pump quantity quotient ratio of expansion reduce remainder revolutions per minute rivets RULE safety-valve screw seams shaft side slide-valve specific gravity square feet square inch stays steam is cut subtract surface surface condenser tank temperature thickness thousand throughout the stroke tons total pressure tube vacuum vulgar fraction weight whole numbers
Popular passages
Page 42 - An Improper Fraction is one whose numerator is equal to or greater than its denominator ; as, f , -J.
Page 63 - Thus, reducing the two fractions to a common denominator, we multiply the numerator of the dividend by the denominator of the divisor, and the numerator of. the divisor by the denominator of the dividend ; (Art.
Page 139 - RULE. from half the sum of the three sides, subtract each side separately; multiply the half sum and the three remainders together, and the square root of the product will be the area required.
Page 56 - It is however impossible to find such a fraction unless all the given fractions be first expressed with a common denominator : for, since the denominator of a fraction expresses the number of equal parts into which the unit is divided, it follows that in two fractions which have not a common denominator the unit is not divided into the same number of equal parts : therefore in endeavouring to...
Page 239 - ... stroke have been performed, and the steam be at the same time throttled in the steam pipe, the full pressure of the steam within the cylinder cannot be maintained except near the beginning of the stroke where the piston travels slowly ; for as the speed of the piston increases, the pressure necessarily subsides, until the piston approaches the other end of the cylinder, where the pressure would rise again but that the operation of the lap on the valve by this time has had the effect of closing...
Page 239 - ... on the exhausting side, the port before the piston will be closed before that behind it is opened ; and the interval between the closing of the one and the opening of the other, will depend on the quantity of lap on the exhausting side of the valve.