Mechanical Operations Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid. Density Thermal conductivity Viscosity Surface tension Density Thermal conductivity Viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 0.5 ∞ 1 0.5 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi Wi 0.5 Wi 1.34 Wi 3.34 Wi Wi 0.5 Wi 1.34 Wi 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 ) 93 LS √LS LS 250 LS 93 LS √LS LS 250 LS ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Trough washer Baum jig washer Spiral separator Froth floatation Trough washer Baum jig washer Spiral separator Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Is used for mixing high viscosity pastes Produces mainly axial flow Runs at very slow speed (2 rpm) All of these Is used for mixing high viscosity pastes Produces mainly axial flow Runs at very slow speed (2 rpm) All of these ANSWER DOWNLOAD EXAMIANS APP
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