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amount Arkansas asphalt Average binder Bituminous boiler brake horsepower briquettes British thermal units calculated from ultimate Calories British thermal Calorific value calculated Calorific value determined car sample cent of pitch charge Coal Company Coking test combustible consumed condition consisted consumed in producer contained County crushing developed at engine developed at switch disintegrator Dry coal consumed eggettes electrical horsepower available electrical horsepower developed engine Equivalent pounds fired give handling hard hour Illinois improvement inch Indian Territory Iowa Kansas Labora laboratory lignite Louis Lump machine material Mining Company Missouri mixed mixture Moisture Moisture Volatile matter obtained operation oven Oxygen Calorific value pound equivalent pressure producer plant received reduced refuse rosin Run-of-mine coal showing slack soft standard gas Steam test Sulphur switch board thermal units Calorific tons ultimate analysis units Calorific value unwashed washed coal weighed West Virginia yielded
Seite 19 - ... coal or powder smoke, a cut was made across the face of the coal from roof to floor, including all of the benches of coal mined and such impurities as were not removed in ordinary work. This cut was about 3 inches wide and 1 inch deep. The coal obtained from it. amounting to...
Seite 120 - A brief consideration of these points will lead at once to the conclusion that the gas engine and steam engine used in these tests compare very favorably, and that any increase in efficiency in the boiler tests that might result from using a compound engine can be offset b* <Ue introduction of the more modern type of gas engine.
Seite 123 - The charge weighed 9,500 pounds, and after burning 46 hours yielded 4,828 pounds of coke and 572 pounds of breeze and ash. The coke was brittle, with cracks lengthwise and crosswise through it. It was also high in sulphur and ash.
Seite 11 - For analyzing and testing at the Louisiana Purchase Exposition the coals and lignites of the United States, in order to determine their fuel values and the most economic method for their utilization for different purposes...
Seite 87 - ... results that might otherwise be shown for the coals tested during that period. But at the time of making these tests it was not practicable to stop the operations of the plant for repairs; and the main purpose of the preliminary tests being to determine whether the coals were suitable for...
Seite 126 - West Virginia No. 7. — Run-of-mine coal from the New River Smokeless Coal Company, Sun, W. Va. This test was made on unwashed coal, the charge weighing 8,000 pounds. It produced 5,119 pounds, or 64 per cent., of good size and quality, but rather dark In color.