Mechanical Operations The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is None of these 1.5 1 ?2 None of these 1.5 1 ?2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating Sulphide ores Iron ores None of these Quartzite Sulphide ores Iron ores None of these Quartzite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Both A & B Neither A nor B Rate Pressure Both A & B Neither A nor B Rate Pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. 5000 500 50 5 5000 500 50 5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Operate at higher speed Can not be operated under pressure/vacuum Employ bowl of larger diameter Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Can not be operated under pressure/vacuum Employ bowl of larger diameter Can't be used for separation of fine suspended solids from a liquid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Buhrstone mill Ball mill Hammer mill Crushing rolls Buhrstone mill Ball mill Hammer mill Crushing rolls ANSWER DOWNLOAD EXAMIANS APP
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