Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Chromite Rutile Galena Siderite Chromite Rutile Galena Siderite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill All of these Employs smaller balls Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) All of these Employs smaller balls Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding characteristic of a material is given by its Shatter index HGI Abrasion index Angle of repose Shatter index HGI Abrasion index Angle of repose ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is a cohesive solid. Wheat Sand Wet clay None of these Wheat Sand Wet clay None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Small lumpy (e.g. grains and sand) Sticky (e.g. clay paste) Fine (e.g. - 200 mesh size coal) Free flowing Small lumpy (e.g. grains and sand) Sticky (e.g. clay paste) Fine (e.g. - 200 mesh size coal) Free flowing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Grinding element & the housing Feed particles Neither A nor B Both A & B Grinding element & the housing Feed particles Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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