Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Cage Neither A nor B Hammer Both A & B Cage Neither A nor B Hammer Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 40-50 75-80 43835 90-95 40-50 75-80 43835 90-95 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating Iron ores None of these Sulphide ores Quartzite Iron ores None of these Sulphide ores Quartzite 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) S 1/R 1/μ All of these S 1/R 1/μ All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A fluid energy mill is used for Crushing Ultra grinding Grinding Cutting Crushing Ultra grinding Grinding Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing. Primary Fine Secondary Ultrafine Primary Fine Secondary Ultrafine ANSWER DOWNLOAD EXAMIANS APP