Mechanical Operations Jigging is a technique by which different particles can be Mixed Separated by particle shape Separated by particle density Separated by particle size Mixed Separated by particle shape Separated by particle density Separated by particle size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a Batch basket centrifuge Sparkler filter Disc bowl centrifuge Sharpies supercentrifuge Batch basket centrifuge Sparkler filter Disc bowl centrifuge Sharpies supercentrifuge 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 low viscous suspension Dry grindng of large particles in un-baffed mills Dry grinding of large particles (upto 1.25 cms) Wet grinding in high viscous suspension Wet grinding in low viscous suspension Dry grindng of large particles in un-baffed mills Dry grinding of large particles (upto 1.25 cms) Wet grinding in high viscous suspension ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main size reduction operation in ultrafine grinders is Cutting Compression Attrition Impact Cutting Compression Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Complicates handling & classification of the product Requires more energy None of these Has less capacity Complicates handling & classification of the product Requires more energy None of these Has less capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a Boundary mixer Propeller agitator Sharpies centrifuge None of these Boundary mixer Propeller agitator Sharpies centrifuge None of these ANSWER DOWNLOAD EXAMIANS APP
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