Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Gives less wear on chamber walls Increases capacity Requires more energy Complicates handling of the product Gives less wear on chamber walls Increases capacity Requires more energy Complicates handling of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Attrition Impact Compression Cutting Attrition Impact Compression Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Fine Ultrafine Primary Secondary Fine Ultrafine Primary Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the crushing energy required to create new surface ? Taggarts rule None of these Rittinger's law Fick's law Taggarts rule None of these Rittinger's law Fick's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Chance process is used for the Cleaning of coal Water treatment Concentration of pyrites Concentration of iron ore Cleaning of coal Water treatment Concentration of pyrites Concentration of iron ore ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Cyclone separator Wet scrubber Bag filter Electrostatic precipitator Cyclone separator Wet scrubber Bag filter Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS