Mechanical Operations __________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution. Tumbler Muller Banbery Rubbon blender Tumbler Muller Banbery Rubbon blender ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For the transportation of ultrafine particles, the equipment used is a........conveyor. Screw None of these Pneumatic Belt Screw None of these Pneumatic Belt ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M . Vp/ρ Vp/m . ρ M . ρ/Vp M/ρ . Vp M . Vp/ρ Vp/m . ρ M . ρ/Vp M/ρ . Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is Separated from the cake by dissolving solids or by burning it off All of these Added to the feed slurry Precoated on the filter medium prior to filtration Separated from the cake by dissolving solids or by burning it off All of these Added to the feed slurry Precoated on the filter medium prior to filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum filter is most suitable for the Liquids having high vapour pressure Removal of fines from liquid Liquids of very high viscosity None of these Liquids having high vapour pressure Removal of fines from liquid Liquids of very high viscosity None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Wet grinding in high viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) Wet grinding in high viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) ANSWER DOWNLOAD EXAMIANS APP
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