Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the 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 Linear speed of the basket is halved Capacity of centrifuge is increased Linear speed of the basket is doubled ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. 5 times 2.5 times 10 times Same as 5 times 2.5 times 10 times Same as ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking Maximum acceptable feed size is 30 cms All of these Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking Maximum acceptable feed size is 30 cms All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Primary Secondary Fine Ultrafine Primary Secondary Fine Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The term 'angle of nip' is concerned with the operation of the __________ crushers. Jaw None of these Roll Gyratory Jaw None of these Roll Gyratory ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mill is used for Fine grinding Attrition Crushing Coarse grinding Fine grinding Attrition Crushing Coarse grinding ANSWER DOWNLOAD EXAMIANS APP
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