Boilers, Marine and Land; Their Construction and Strength. a Handbook of Rules, Formulae, Tables, &C. ... for the Use of Engineers, Surveyors, Draughtsmen, Boilermakers, and Steam Users

Boilers, Marine and Land; Their Construction and Strength. a Handbook of Rules, Formulae, Tables, &C. ... for the Use of Engineers, Surveyors, Draughtsmen, Boilermakers, and Steam Users

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1890 edition. Excerpt: ...proactically meets the requirements of the case, viz., 1%, inch. (3) If the diameter has to be settled for a working pressure of 140 lbs. at a nominal factor 5, the thickness of plates 1%, inch, and the calculated percentage of joint 85'23: --Then, under F 5, the factor, and opposite 1%, the thickness of the plates, the numeral is 235; and if it be multiplied by 8523, (the calculated percentage of joint), and the product divided by 140 (the pressure), the quotient equals what the diameter should be, or or, the diameter to meet the requirements of the case may be, say, 144 inches. (4) If the calculated percentage of joints has to be determined, when the plates are 1% inch thick, the nominal factor 5, the working pressure 140 lbs., and the diameter 144 inches: ---Then, if 140, the pressure, be multiplied by 144, the diameter, and the product divided by the numeral 235 found opposite 1% inch, the thickness, and under F 5, the nominal factor, the quotient equals the calculated percentage of joint, or but a suitable calculated percentage of joint for such a thickness of plate, when the riveting is as illustrated in Tables Nos. 63 and 64, is 85'23, which may be adopted without materially affecting the result. _ The calculated percentages of joints made of iron plates and iron rivets, of various descri tions of riveting and of different thickness of plates, are given in ables Nos. 54 to 64. The nominal factor can be found by the tables when N, the numeral, is obtained (by the formula D X B ) for the given thickness, as above the numerals in any one column, the factor under F is'the nominal factor in the particular case. If the exact numeral is not found opposite any given thickness, within the range of the Tables, but a numeral is between...show more

Product details

  • Paperback | 64 pages
  • 189 x 246 x 3mm | 132g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236797450
  • 9781236797452