Mechanical Operations 200 mesh seive size corresponds to __________ microns. 200 154 24 74 200 154 24 74 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Both A & B Enhanced production rate Neither A nor B Finer products Both A & B Enhanced production rate Neither A nor B Finer products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Different fluids Same fluid Same field of force Both B and C Different fluids Same fluid Same field of force Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Small lumpy (e.g. grains and sand) Fine (e.g. - 200 mesh size coal) Free flowing Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) Fine (e.g. - 200 mesh size coal) Free flowing Sticky (e.g. clay paste) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Frother Collector Conditioner Depressor Frother Collector Conditioner Depressor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi 0.5 Wi 1.34 Wi Wi 3.34 Wi 0.5 Wi 1.34 Wi Wi ANSWER DOWNLOAD EXAMIANS APP
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