Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Activator Frother Modifier Collector Activator Frother Modifier Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Surface area per unit mass Centimetre Screen size Micron Surface area per unit mass Centimetre Screen size Micron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Energy needed to crush one ton of feed to 100 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Energy needed to crush one ton of feed to 100 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Chromite Galena Rutile Siderite Chromite Galena Rutile Siderite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In paint industries, blending of light paste is done by using a Masticator Kneader Charge can mixer None of these Masticator Kneader Charge can mixer None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.9 0.5 0.78 0.6 0.9 0.5 0.78 0.6 ANSWER DOWNLOAD EXAMIANS APP