Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 15 - 20 43832 40 - 50 60 - 75 15 - 20 43832 40 - 50 60 - 75 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 3 to 4 8 to 10 15 to 20 10 to 15 3 to 4 8 to 10 15 to 20 10 to 15 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 Differential wettability Density separation Volatile matter content Size Differential wettability Density separation Volatile matter content Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms ) LS √LS 93 LS 250 LS LS √LS 93 LS 250 LS ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Constant rate Constant pressure Varying pressure Varying rate Constant rate Constant pressure Varying pressure Varying rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of plastic solids is generally facilitated by None of these Dispersion Mastication Kneading None of these Dispersion Mastication Kneading ANSWER DOWNLOAD EXAMIANS APP