Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Gyratory crusher Ball mill Hammer crusher Roll crusher Gyratory crusher Ball mill Hammer crusher Roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.58 0.68 0.5 0.62 0.58 0.68 0.5 0.62 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A compressible cake has the Maximum porosity at the upstream side Same porosity throughout the cake thickness Maximum porosity at the filter medium None of these Maximum porosity at the upstream side Same porosity throughout the cake thickness Maximum porosity at the filter medium None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following achieves the least reduction ratio for a given feed size? Roll crusher Cone crusher Jaw crusher Gyratory crusher Roll crusher Cone crusher Jaw crusher Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Complicates handling of the product Increases capacity Requires more energy Gives less wear on chamber walls Complicates handling of the product Increases capacity Requires more energy Gives less wear on chamber walls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is 1.5 2 √3 √2 1.5 2 √3 √2 ANSWER DOWNLOAD EXAMIANS APP
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