Mechanical Operations __________ centrifuge is the most suitable for separation of non-friable crystals. Tubular bowl Suspended batch basket Disc-bowl Perforated horizontal basket continuous Tubular bowl Suspended batch basket Disc-bowl Perforated horizontal basket continuous ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Dispersion Comminution Pulverisation Compression Dispersion Comminution Pulverisation Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.014 0.3 50 0.007 0.014 0.3 50 0.007 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Fine (e.g. - 200 mesh size coal) Small lumpy (e.g. grains and sand) Sticky (e.g. clay paste) Free flowing Fine (e.g. - 200 mesh size coal) Small lumpy (e.g. grains and sand) Sticky (e.g. clay paste) Free flowing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Classifier Neither A nor B Both A & B Cyclone separator between mill & classifier Classifier Neither A nor B Both A & B Cyclone separator between mill & classifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Cage Hammer Neither A nor B Both A & B Cage Hammer Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS