Marine Boiler Management and ConstructionLongmans, Green, and Company, 1901 - 404 páginas |
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Página 2
... tons per square inch is set up , and this , then , is approximately the extra stress which the lower third of the boiler shell has to resist . As the percentage of strength of the circumferential joints is com- paratively low , it is ...
... tons per square inch is set up , and this , then , is approximately the extra stress which the lower third of the boiler shell has to resist . As the percentage of strength of the circumferential joints is com- paratively low , it is ...
Página 11
... ton of coal contains from cwt . to 3 cwt . of ashes , according to the quality , and although a portion drops into the ashpit , a considerable part remains on the grate . It also depends upon the nature of the fire and on the ...
... ton of coal contains from cwt . to 3 cwt . of ashes , according to the quality , and although a portion drops into the ashpit , a considerable part remains on the grate . It also depends upon the nature of the fire and on the ...
Página 34
... tons , so that the pressure , due to the expanding , cannot dilate them more than 3 in . , thus leaving an opening of half the difference , viz . in . , or about in . all round the tube . This is sufficient to cause serious leakage ...
... tons , so that the pressure , due to the expanding , cannot dilate them more than 3 in . , thus leaving an opening of half the difference , viz . in . , or about in . all round the tube . This is sufficient to cause serious leakage ...
Página 51
... ton . This quantity is sufficient , yet it is so small that it cannot possibly do any harm . Probably the most convincing method is to use a Carpenter separating calorimeter . Steam is taken from the main steam pipe , passed through a ...
... ton . This quantity is sufficient , yet it is so small that it cannot possibly do any harm . Probably the most convincing method is to use a Carpenter separating calorimeter . Steam is taken from the main steam pipe , passed through a ...
Página 73
... ton of cold feed water . That there is nothing improbable about this is clearly demonstrated by the fact that Sir W. Thomson's ( Lord Kelvin ) sounding apparatus cannot be used for great depths , because at 200 fathoms ( = 40 ...
... ton of cold feed water . That there is nothing improbable about this is clearly demonstrated by the fact that Sir W. Thomson's ( Lord Kelvin ) sounding apparatus cannot be used for great depths , because at 200 fathoms ( = 40 ...
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Términos y frases comunes
acid angle annealing bars bending Board of Trade boiler shell bolts carbon carbonic acid caulking centre circumference circumferential seams cocks combustion chamber compression stress corners corrugated crack Crown 8vo cylindrical D. K. Clark diameter Double nuts drilled edge elastic limit elongation end plates Ends Riveted Stay Engineering Enging experiments factor of safety fire fitted flame flange flat plates fuel funnel gases girder hammer heating surface hydraulic Illustrations iron plates lap joints length Lloyd's Register load longitudinal seams machine material metal percentage pipes pitch placed Plain punched reduced rivet holes rows screwed stays sectional area shearing stress shell plates shown in fig side square foot square inch Stay Ends Nutted Stay Ends Riveted stay tubes steam space steel Strength of Materials superheaters Surveyor temperature tensile strength tension test piece thickness of plate threads tons tube plate washers water spaces water-tube boilers weight welded
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