# A Textbook on Marine Engineering ...: Steam and Steam Boilers, Steam Engines, the Machinery of Western River Steamboats, Recent Developments in Marine Engineering

International textbook Company, 1900 - Marine engineering
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### Contents

 ARITHMETIC 1 MENSURATION AND USE OF LETTERS IN ALGEBRAIC 113 MECHANICS 149 MECHANICS continued PAGE 160 STEAM AND STEAM BOILERS 273 STEAM AND STEAM BOILERS continued 401 Management and Care of Boilers 460
 Boiler Explosions 477 EXAMINATION QUESTIONS 503 115 513 153 520 Arithmetic 553 Copyright

### Popular passages

Page 137 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Page 149 - Newton's Three Laws of Motion," and are as follows: I. All bodies continue in a state of rest, or of uniform motion in a straight line, unless acted upon by some external force that compels a change.
Page 474 - The conditions of the boiler and furnace in all respects should be, as nearly as possible, the same at the end as at the beginning of the test. The steam pressure should be the same, the water level the same, the fire upon the grates should be the same in quantity and condition, and the walls, flues, etc., should be of the same temperature.
Page 93 - The terms of a ratio are the two numbers to be compared ; thus, in the above ratio, 20 and 4 are the terms. When both terms are considered together, they are called a couplet ; when considered separately, the first term is called the antecedent, and the second term the consequent. Thus, in the ratio 20 : 4, 20 and 4 form a couplet, and 20 is the antecedent, and 4 the consequent.
Page 119 - If a straight line be drawn through two sides of a triangle, parallel to the third side, a second triangle will be formed whose sides will be proportional to the corresponding sides of the first triangle.
Page 97 - The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.
Page 10 - The number thus added to itself, or the number to be multiplied, is called the multiplicand. The number which shows how many times the multiplicand is to be taken, or the number by which we multiply, is called the multiplier.
Page 476 - The boiler should be run continuously, without stopping for meal times or for rise or fall of pressure of steam due to change of demand for steam. The draught being adjusted to the rate of evaporation or combustion desired before the test is begun, it should be retained constant during the test by means of the damper. If the boiler is not connected to the same steam pipe with other boilers, an extra outlet for steam with valve in same should...
Page 152 - In a moving body, the line described by its center of gravity is always taken as the path of the body. In finding the distance that a body has moved, the distance that the center of gravity has moved is taken.
Page 473 - ... calculation of the results of the test corrected accordingly. Wherever possible, the test should be made with standard coal of a known quality. For that portion of the country east of the Alleghany Mountains, good anthracite egg coal or Cumberland semibituminous coal may be taken as the standard for making tests. West of the Alleghany Mountains and east of the Missouri River, Pittsburg lump coal may be used.