Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Much more than Less than Slightly more than At least equal to Much more than Less than Slightly more than At least equal to ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor. Screw Flight Slat or drag Ribbon Screw Flight Slat or drag Ribbon 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 0.5 1 1.34 4.34 0.5 1 1.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vertical transportation of materials can be done by a/an Apron conveyor Bucket elevator Both B & C Pneumatic conveyor Apron conveyor Bucket elevator Both B & C Pneumatic conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction does not occur due to compression in case of Rod mills Jaw crushers Gyratory crushers Smooth roll crushers Rod mills Jaw crushers Gyratory crushers Smooth roll crushers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the Sedimentation Flocculation Dispersion Centrifugation Sedimentation Flocculation Dispersion Centrifugation ANSWER DOWNLOAD EXAMIANS APP
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