Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? None of these Bond's law Kick's law Rittinger's law None of these Bond's law Kick's law Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Classification Clarification Sedimentation Flocculation Classification Clarification Sedimentation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Brinkman Schmidt Weber Peclet Brinkman Schmidt Weber Peclet ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 16° 40° 46° 32° 16° 40° 46° 32° 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. Secondary Ultrafine Primary Fine Secondary Ultrafine Primary Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gravity settling process is not involved in the working of a Classifier Hydrocyclone Sedimentation tank Dorr-thickener Classifier Hydrocyclone Sedimentation tank Dorr-thickener ANSWER DOWNLOAD EXAMIANS APP
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