Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Fine Secondary Ultrafine Primary Fine Secondary Ultrafine Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh seive size corresponds to __________ microns. 24 74 154 200 24 74 154 200 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. May increase or decrease; depends on the machine Decreases Increases Remains unchanged May increase or decrease; depends on the machine Decreases Increases Remains unchanged 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/μ All of these 1/R S 1/μ All of these 1/R ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.5 0.6 0.78 0.9 0.5 0.6 0.78 0.9 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Collector Activator Frother Modifier Collector Activator Frother Modifier ANSWER DOWNLOAD EXAMIANS APP
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