Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Wet Intermediate Dry Ultrafine Wet Intermediate Dry Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np ∝ √NRe Np → constant Np ∝ 1/NRe Np ∝ NRe Np ∝ √NRe Np → constant Np ∝ 1/NRe Np ∝ NRe 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. 0.3 0.007 0.014 50 0.3 0.007 0.014 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a continuous filter? Cartridge filter Plate and frame filter Shell and leaf filter None of these Cartridge filter Plate and frame filter Shell and leaf filter None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt. None of these Speed Thickness Length None of these Speed Thickness Length ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Free flowing Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) Free flowing Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) ANSWER DOWNLOAD EXAMIANS APP
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