Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.01 to 0.1 0.2 to 0.8 0.1 to 0.3 0.2 to 0.4 0.01 to 0.1 0.2 to 0.8 0.1 to 0.3 0.2 to 0.4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Size Volatile matter content Density separation Differential wettability Size Volatile matter content Density separation Differential wettability 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 N° N¹ N² N³ N° N¹ N² N³ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills fall in the category of tumbling mills, Rod and tube Ball and pebble Compartment All of these Rod and tube Ball and pebble Compartment All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Type of crushing machine Feed material Neither A nor B Both A & B Type of crushing machine Feed material Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is Precoated on the filter medium prior to filtration Added to the feed slurry Separated from the cake by dissolving solids or by burning it off All of these Precoated on the filter medium prior to filtration Added to the feed slurry Separated from the cake by dissolving solids or by burning it off All of these ANSWER DOWNLOAD EXAMIANS APP
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