Mechanical Operations increasing the capacity of a screen __________ the screen effectiveness. None of these Decreases Increases Does not effect None of these Decreases Increases Does not effect ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Sedimentation Classification Flocculation Clarification Sedimentation Classification Flocculation Clarification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust laden air can be purified using a Bag filter Cyclone separator Tubular centrifuge Gravity settler Bag filter Cyclone separator Tubular centrifuge Gravity settler ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. Elutriation None of these Tabling Heavy media separation Elutriation None of these Tabling Heavy media separation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Surface active agent Both A & B Neither A nor B Electrolyte Surface active agent Both A & B Neither A nor B Electrolyte ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Calcite Fluorspar Quartz Cassiterrite Calcite Fluorspar Quartz Cassiterrite ANSWER DOWNLOAD EXAMIANS APP