 | 1911 - 710 páginas
...on the rod when the same is withdrawn from the oil. When completely liquid, stir thoroughly and fill the hydrometer cylinder, which has previously been...by reducing the same to the standard temperature of 15.5 degrees C. or 60 degrees F. The correct gravity is obtained by multiplying the correction figure... | |
 | American Railway Engineering Association - 1911 - 520 páginas
...cylinder filled, which has previously been wanned. Insert a specific gravity hydrometer of good make, taking care that the hydrometer does not touch the...bottom of the cylinder when the reading is taken. This reading should preferably be taken when the oil is at 38 degrees Centigrade (100 degrees Fahrenheit),... | |
 | United States. Department of Agriculture - 1923 - 1298 páginas
...from the liquid should show no solid particles at the instant of withdrawal. C»re should be taken that the hydrometer does not touch the sides or bottom of the cylinder when the reading is taken, and that the oil surface is free from froth and bubbles. FREE-CARBON TEST. The determination of free... | |
 | Howard Frederick Weiss - 1914 - 388 páginas
...cylinder filled, which has previously been warmed. Insert a specific gravity hydrometer of good make, taking care that the hydrometer does not touch the...bottom of the cylinder when the reading is taken. This reading should preferably be taken when the oil is at 38° C. (100° F.), because at this temperature... | |
 | Howard Frederick Weiss - 1914 - 388 páginas
...cylinder filled, which has previously been warmed. Insert a specific gravity hydrometer of good make, taking care that the hydrometer does not touch the...bottom of the cylinder when the reading is taken. This reading should preferably be taken when the oil is at 38° C. (100° F.), because at this temperature... | |
 | 1915 - 58 páginas
...withdrawn from the liquid should show no solid particles at the instant of withdrawal. Care should be taken that the hydrometer does not touch the sides or bottom of the cylinder when the reading is taken, and that the oil is free from froth and bubbles. If the specific gravity is determined at a higher... | |
 | Thomas Bliss Stillman - 1916 - 790 páginas
...on the rod when the same is withdrawn from the oil. When completely liquid, stir thoroughly and fill the hydrometer cylinder, which has previously been...by reducing the same to the standard temperature of 15.5° C. or 60° F. The correct gravity is obtained by multiplying the correction figure 0.0008 by... | |
 | American Society of Municipal Engineers - 1916 - 20 páginas
...withdrawn from the liquid should show no solid particles at the instant of withdrawal. Care should be taken that the hydrometer does not touch the sides or bottom of the cylinder when the reading is taken, and that the oil surface is free from froth and bubbles. If the specific gravity is determined at a... | |
 | American Society for Municipal Improvements - 1916 - 668 páginas
...withdrawn from the liquid should show no solid particles at the instant of withdrawal. Care should be taken that the hydrometer does not touch the sides or bottom of the cylinder when the reading is taken, and that the oil surface is free from froth and bubbles. If the specific gravity is determined at a... | |
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Before taking the specific gravity the oil in the cylinder should be stirred thoroly with a glass rod, and this rod when withdrawn from the liquid should show no solid particles at the instant of withdrawal. Care should be taken that the hydrometer does... 
