Mining Engineers' Handbook, Volume 1Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Hasil 1-3 dari 59
Halaman 8-13
... compressor , with a standby in case of breakdown . The piping , 3 to 4 - in diam , should be in duplicate . For drilling , a high - pressure compressor may also be necessary . Smaller pipes are provided for electric light wires and a ...
... compressor , with a standby in case of breakdown . The piping , 3 to 4 - in diam , should be in duplicate . For drilling , a high - pressure compressor may also be necessary . Smaller pipes are provided for electric light wires and a ...
Halaman 14-60
... Compressor Cooler Brine Condenser Water in Float or orifice Refrigerant condensate- Refrigerant return Refrigerant- Refrigerant pump- Fig 62. Arrangement of Centrifugal Refrigeration System ( 79 ) Plant ( Fig 61 , 62 ) is in separate ...
... Compressor Cooler Brine Condenser Water in Float or orifice Refrigerant condensate- Refrigerant return Refrigerant- Refrigerant pump- Fig 62. Arrangement of Centrifugal Refrigeration System ( 79 ) Plant ( Fig 61 , 62 ) is in separate ...
Halaman 9-59
... compressor 15-17 hammer - drill 15-34 loss of head in in pipe lines 38-12 38-23 pump 40-31 , 40-38 Vanadium , ores of 2-27 Van Dyke shaft , sinking 7-05 Vane feeder for coal 35-04 Vanning assay 31-11 Van Ryn Deep mine , pancake column ...
... compressor 15-17 hammer - drill 15-34 loss of head in in pipe lines 38-12 38-23 pump 40-31 , 40-38 Vanadium , ores of 2-27 Van Dyke shaft , sinking 7-05 Vane feeder for coal 35-04 Vanning assay 31-11 Van Ryn Deep mine , pancake column ...
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angle Ariz aver bench black powder blasting block bottom broken caps cars caving chalcocite chalcopyrite churn drills chutes coal copper core cost per ft cribbed cross-sec crosscuts crystals Data deposits depth diam driven dynamite excavation explosives face filled stopes floor footwall ft deep ft high ft long ft wide fuse gelatin grizzly ground hammer drills hanging wall haulage level hematite hoisting holes horiz igneous rocks inclined intervals iron jackhammers labor lagging limestone loading magnetite manway Mesabi Range method minerals mining mucking orebody pillars pipe porphyry posts powder pump pyrite pyrrhotite quartz quartzite raises rock rods samples sand schist scraper sets shift shovel shrinkage stopes side sill sinking slice sludge soft sphalerite square-set steel stope stulls sub-level sulphide surface Table thick timber tons top-slicing Total tunnel usually veins ventilation waste width