Mechanical Operations Which of the following achieves the least reduction ratio for a given feed size? Roll crusher Cone crusher Gyratory crusher Jaw crusher Roll crusher Cone crusher Gyratory crusher Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Both B and C Is a ball mill Is a tube mill lined with ceramic or other non-metallic liner Employs flints or ceramic pebbles as the grinding medium Both B and C Is a ball mill Is a tube mill lined with ceramic or other non-metallic liner Employs flints or ceramic pebbles as the grinding medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Linear speed of the basket is halved Capacity of centrifuge is increased Linear speed of the basket is doubled Centrifugal force is doubled Linear speed of the basket is halved Capacity of centrifuge is increased Linear speed of the basket is doubled Centrifugal force is doubled ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Washing time only Square root of the velocity Filtration time only Square of the viscosity Washing time only Square root of the velocity Filtration time only Square of the viscosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following screens has the maximum capacity? Shaking screen Trommels Vibrating screen Grizzlies Shaking screen Trommels Vibrating screen Grizzlies ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main size reduction operation in ultrafine grinders is Impact Cutting Compression Attrition Impact Cutting Compression Attrition ANSWER DOWNLOAD EXAMIANS APP