Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Dry Ultrafine Intermediate Wet Dry Ultrafine Intermediate Wet 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. 4.34 1 0.5 1.34 4.34 1 0.5 1.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. None of these Tabling Elutriation Heavy media separation None of these Tabling Elutriation Heavy media separation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials of the same density based on their sizes by using then-different rates of flow is called Sorting Elutriation Flocculation Sizing Sorting Elutriation Flocculation Sizing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Classifier Cyclone separator between mill & classifier Both A & B Neither A nor B Classifier Cyclone separator between mill & classifier Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following comes in the category of primary crusher for hard and tough stone? Cone crusher None of these Gyratory crusher Jaw crusher Cone crusher None of these Gyratory crusher Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
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