Mechanical Operations Reciprocal of sphericity is termed as the Shape factor Sauter diameter Surface area per unit mass Specific surface ratio Shape factor Sauter diameter Surface area per unit mass Specific surface ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ baffles are provided in ball mills. Only two Horizontal No None of these Only two Horizontal No None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Production rate at a given limiting size is lower Specific surface of product is more Operation is economical Product has lesser size uniformity Production rate at a given limiting size is lower Specific surface of product is more Operation is economical Product has lesser size uniformity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vertical transportation of materials can be done by a/an Pneumatic conveyor Bucket elevator Apron conveyor Both B & C Pneumatic conveyor Bucket elevator Apron conveyor Both B & C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N³ N² N° N¹ N³ N² N° N¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product ANSWER DOWNLOAD EXAMIANS APP
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