Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Both A & B Neither A nor B Bulk density Lump size Both A & B Neither A nor B Bulk density Lump size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ ΔP ∝ 1/ ΔP Independent of ΔP ∝ √ΔP ∝ ΔP ∝ 1/ ΔP Independent of ΔP ∝ √ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Constant pressure Varying pressure Constant rate Varying rate Constant pressure Varying pressure Constant rate Varying rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultrafine grinders operate principally by Slow compression Attrition Cutting action Impact Slow compression Attrition Cutting action Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Results in increased capacity Consumes less power Both A and C Consumes more power Results in increased capacity Consumes less power Both A and C Consumes more power ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 0.5 1.34 1 4.34 0.5 1.34 1 4.34 ANSWER DOWNLOAD EXAMIANS APP
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