Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N² N° N¹ N³ N² N° N¹ N³ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Attrition Compression Cutting Impact Attrition Compression Cutting Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Ultrafine Wet Intermediate Dry Ultrafine Wet Intermediate Dry ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Limestone Rubber Asbestos Non-metallic ores Limestone Rubber Asbestos Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Cast iron Forged/cast steel Lead Alloy steel Cast iron Forged/cast steel Lead Alloy steel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Filtration time only Square of the viscosity Square root of the velocity Washing time only Filtration time only Square of the viscosity Square root of the velocity Washing time only ANSWER DOWNLOAD EXAMIANS APP
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