Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Specific gravities Wettability Shape None of these Specific gravities Wettability Shape 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 The specific cake resistance for compressible sludges is a function of the pressure drop Over medium Overall None of these Over cake Over medium Overall None of these Over cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) L.S 0.087 L.S L.S/0.087 0.01 L.S L.S 0.087 L.S L.S/0.087 0.01 L.S 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 Volatile matter content Differential wettability Density separation Size Volatile matter content Differential wettability Density separation Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, Reduction ratio can be varied by adjusting the distance from cage to hammers Maximum acceptable feed size is 30 cms Crushing takes place by impact breaking All of these Reduction ratio can be varied by adjusting the distance from cage to hammers Maximum acceptable feed size is 30 cms Crushing takes place by impact breaking All of these ANSWER DOWNLOAD EXAMIANS APP