Mechanical Operations Rod mills employed for grinding Employ a steel shell having L/D ratio of 1.5 to 3.0 Is useful for handling sticky materials Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these Employ a steel shell having L/D ratio of 1.5 to 3.0 Is useful for handling sticky materials Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is A batch filter Not suitable, if the liquid is the main product Having prohibitively high maintenance cost Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure A batch filter Not suitable, if the liquid is the main product Having prohibitively high maintenance cost Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Sedimentation Clarification Classification Decantation Sedimentation Clarification Classification Decantation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an industrial screening equipment? Sharpies centrifuge Trommel Vibrating screen Grizzly Sharpies centrifuge Trommel Vibrating screen Grizzly ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the None of these Decreasing machine capacity Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed None of these Decreasing machine capacity Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is All of these Separated from the cake by dissolving solids or by burning it off Precoated on the filter medium prior to filtration Added to the feed slurry All of these Separated from the cake by dissolving solids or by burning it off Precoated on the filter medium prior to filtration Added to the feed slurry ANSWER DOWNLOAD EXAMIANS APP