Mechanical Operations A tube mill as compared to a ball mill Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls All of these Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a batch sedimentation equipment? Dust catcher Rotary sprayer scrubber Dry cyclone separator Filter thickener Dust catcher Rotary sprayer scrubber Dry cyclone separator Filter thickener ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the specific surface shape factor is given by D/V √(AD/V) AD/V A/V D/V √(AD/V) AD/V A/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most common filter aid is Silica gel Calcium silicate Diatomaceous earth Sodium carbonate Silica gel Calcium silicate Diatomaceous earth Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 50 100 500 1 50 100 500 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Consumes more power Results in increased capacity Both A and C Consumes less power Consumes more power Results in increased capacity Both A and C Consumes less power ANSWER DOWNLOAD EXAMIANS APP