Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) 1/R S 1/μ All of these 1/R S 1/μ All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration of water in a paper mill is done by a/an __________ filter. Vacuum leaf Sparkler Plate and frame Open sand Vacuum leaf Sparkler Plate and frame Open sand 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? Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Wet grinding in low viscous suspension ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding Grinding cost and power requirement increases with increasing fineness of the products All of these Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding Grinding cost and power requirement increases with increasing fineness of the products All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy consumed by a ball mill depends on Its ball load All of these The density of the material being ground Its speed Its ball load All of these The density of the material being ground Its speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum filter is most suitable for the Removal of fines from liquid Liquids having high vapour pressure Liquids of very high viscosity None of these Removal of fines from liquid Liquids having high vapour pressure Liquids of very high viscosity None of these ANSWER DOWNLOAD EXAMIANS APP
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