 What expenditure of mechanical power has to be incurred in overcoming the inertia of those parts due to the reciprocation and changing from rest to motion and from motion to rest? (1873.) 42. The initial pressure of steam in a cylinder, whose stroke is...  Numerical examples in heat - Page 43by Richard Evans Day - 1875 - 48 pagesFull view - About this book
 | Thomas Main, Thomas Brown (of the Royal Naval College) - Marine engines - 1857 - 130 pages
...steam, in a cylinder whose stroke is 4 feet 6 inches, is 30 Ibs., and expansion commences when 3 feet 2 inches have been performed ; find the pressure at the end of the stroke. Ans. 21^- Ibs. 96. The initial pressure of steam in a cylinder is 58 Ibs. : if expansion commence when... | |
 | Henry Evers - Steam - 1873 - 426 pages
...what ia the gain per cent. ? As 17J : 100 : : (28-8-17 -5) or ll-Sto Answer. Ans. 64-57 per cent. 5. The initial pressure of steam in a cylinder whose stroke is 5 feet 4 inches is 45 Ibs., and expansion commerces when 2 feet 3 inches have performed, find the pressure at the end of... | |
 | Henry Evers - Steam - 1878 - 410 pages
...horse-power of an engine, and how is it determined for paddle wheel vessels (1867^1 EXERCISES. 95 5. The initial pressure of steam in a cylinder whose...and expansion commences when 2 feet 3 inches have performed, find the pressure at the end of the stroke. Find also the horse-power, if the area of the... | |
 | Thomas Minchin Goodeve - Steam - 1879 - 364 pages
...parts due to the reciprocation and changing from rest to motion and from motion to rest? (1873.) 42. The initial pressure of steam in a cylinder, whose stroke is 5 feet 4 inches, is 45 Ibs., and expansion commences when 2 feet 3 inches have been performed ; find the pressure at the end... | |
 | Richard Evan Day - Heat - 1885 - 192 pages
...a cylinder where the stroke is 5 feet is 40 lbs., and expansion commences when 2 feet of the stroke have been performed. Find the pressure at the end of the stroke, and the percentage of gain in the work done by a given quantity of steam in consequence of expansive... | |
 | Thomas Minchin Goodeve - 1893 - 426 pages
...is 5 feet 4 inches, is 45 Ibs., and expansion commences when 2 feet 3 inches have been performed j find the pressure at the end of the stroke. Find also...square inches, and the number of strokes per minute 30. (1868.) 43. Describe a condenser gauge of an engine. The mean pressure on a piston being 12 Ibs. above... | |
 | Thomas Minchin Goodeve - Heat-engines - 1898 - 494 pages
...(1873.) 42. The initial pressure of steam in a cylinder, whose stroke is 5 feet 4 inches, is 45 Ibs., and expansion commences when 2 feet 3 inches have...end of the stroke. Find also the horse-power, if the arcn of the cylinder is 2,218 square inches, and the number of strokes per minute 30. (1868.) 43. Describe... | |
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