Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Can not be operated under pressure/vacuum Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Employ bowl of larger diameter Can not be operated under pressure/vacuum Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Employ bowl of larger diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which one is a filter aid? Convas fabric None of these Calcined lime Diatomaceous earth Convas fabric None of these Calcined lime Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) 0.087 L.S L.S L.S/0.087 0.01 L.S 0.087 L.S L.S L.S/0.087 0.01 L.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). (S/V)p (S/V)²p √(S/V)p (S/V)f (S/V)p (S/V)²p √(S/V)p (S/V)f ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 5 to 10 20 to 25 0.1 to 2 50 to 70 5 to 10 20 to 25 0.1 to 2 50 to 70 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vertical transportation of materials can be done by a/an Pneumatic conveyor Apron conveyor Both B & C Bucket elevator Pneumatic conveyor Apron conveyor Both B & C Bucket elevator ANSWER DOWNLOAD EXAMIANS APP
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