Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Both A & B Surface active agent Neither A nor B Electrolyte Both A & B Surface active agent Neither A nor B Electrolyte ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 0.5 1 4.34 1.34 0.5 1 4.34 1.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.5 0.62 0.58 0.68 0.5 0.62 0.58 0.68 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using Electrostatic precipitator Strainer Cyclone separator None of these Electrostatic precipitator Strainer Cyclone separator None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Galena Rutile Chromite Siderite Galena Rutile Chromite Siderite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Alumina Sodium silicate Quartz Lime Alumina Sodium silicate Quartz Lime ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS