Mechanical World and Engineering Record, Volume 118Emmott and Company, 1945 - Mechanical engineering |
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Page 477
... acid solutions should be worked at 170 ° to 190 ° F. Heating is sometimes done by the injection of live steam through a lead coil , which has a com- parative short life with sulphuric and hydrofluoric acid solutions . Similarly with ...
... acid solutions should be worked at 170 ° to 190 ° F. Heating is sometimes done by the injection of live steam through a lead coil , which has a com- parative short life with sulphuric and hydrofluoric acid solutions . Similarly with ...
Page 478
... acid must be held in some tank or vessel and the metal intro- duced into the pickling solution for a suitable period of time . The acid or pickling solution be- comes spent after a period of use and is dis- charged sometimes to ...
... acid must be held in some tank or vessel and the metal intro- duced into the pickling solution for a suitable period of time . The acid or pickling solution be- comes spent after a period of use and is dis- charged sometimes to ...
Page 674
... acid ethyl - sulphuric acid C2H2HSO + H2O ethyl - sulphuric acid steam = C.H2OH alcohol H & SO1 sulphuric acid There is no waste by - product in this reaction and the sulphuric acid may be used many times over . Ethylene may also be ...
... acid ethyl - sulphuric acid C2H2HSO + H2O ethyl - sulphuric acid steam = C.H2OH alcohol H & SO1 sulphuric acid There is no waste by - product in this reaction and the sulphuric acid may be used many times over . Ethylene may also be ...
Contents
BRABAZON I | 68 |
AMONG the new British aircraft now in course | 110 |
trip well within its compass and with its | 250 |
11 other sections not shown
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acid activated alumina aircraft alloy aluminium ammonia anode anodising apparatus application axle bearing boiler British British Thomson-Houston cast iron centre coal coating coil combustion compressed condenser control account cooling corrosion cost curve cylinder deflection diameter efficiency electrical engine equipment fabrication factory fuel furnace gas turbine gauge gear give heat increase industry Limited load London machine magnesium magnet manufacture material maximum MECHANICAL WORLD ment metal method motor mould necessary obtained operation organisation output pipe plant plate possible practice pressure production propeller pump reciprocating engine Roller Chain rolls rotating ROTATION SLIPS screw screw threads silica gel speed spindle spray spring standard steam steel straightening supercharged supply surface tank temperature thickness threads tion torque trade tube turbine unit valve voltage welding wheel width extra