Mechanical Operations As particle size is reduced Screening becomes progressively easier Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased None of these Screening becomes progressively easier Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their Densities Particle sizes None of these Terminal velocities Densities Particle sizes None of these Terminal velocities ANSWER DOWNLOAD EXAMIANS APP
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 1/μ S All of these 1/R 1/μ S All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Tube mill Gyratory crusher Toothed roll crusher Ball mill Tube mill Gyratory crusher Toothed roll crusher Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Size Density separation Differential wettability Volatile matter content Size Density separation Differential wettability Volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of plastic solids is generally facilitated by None of these Mastication Kneading Dispersion None of these Mastication Kneading Dispersion ANSWER DOWNLOAD EXAMIANS APP