Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Sharpies supercentrifuge Disc-bowl centrifuge Precoat filter Sparkler filter Sharpies supercentrifuge Disc-bowl centrifuge Precoat filter Sparkler filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a pneumatic conveying system depends upon the Pressure of the conveying air Diameter of the conveying line Bulk density of materials All of these Pressure of the conveying air Diameter of the conveying line Bulk density of materials All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Diameter of the rolls Product size Feed size Speed of the rolls Diameter of the rolls Product size Feed size Speed of the rolls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 22.1 μm/s 0.02 μm/s 0.90 μm/s 1 μm/s 22.1 μm/s 0.02 μm/s 0.90 μm/s 1 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Sodium carbonate Copper sulphate Cresylic acid Calcium carbonate Sodium carbonate Copper sulphate Cresylic acid Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a wet classifier? Sharpies supercentrifuge None of these Hydrocyclones Dorr Oliver rake classifier Sharpies supercentrifuge None of these Hydrocyclones Dorr Oliver rake classifier ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS