Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Decrease the compressibility co-efficient Increase the porosity Decrease the porosity Increase the compressibility co-efficient Decrease the compressibility co-efficient Increase the porosity Decrease the porosity Increase the compressibility co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is √3 1.5 2 √2 √3 1.5 2 √2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? Micronizer Jet mills Fluid energy mill All of these Micronizer Jet mills Fluid energy mill All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity? Raschig rings Sphere Cylinder (L/D = 1) Cube Raschig rings Sphere Cylinder (L/D = 1) Cube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is expressed in terms of Tons/ft² Tons/hr Both A & B Tons/hr-ft² Tons/ft² Tons/hr Both A & B Tons/hr-ft² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, Fine feed requires a larger ball Operating speed should be more than the critical speed None of these Coarse feed requires a larger ball Fine feed requires a larger ball Operating speed should be more than the critical speed None of these Coarse feed requires a larger ball ANSWER DOWNLOAD EXAMIANS APP
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