Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Increase the porosity Increase the compressibility co-efficient Decrease the porosity Decrease the compressibility co-efficient Increase the porosity Increase the compressibility co-efficient Decrease the porosity Decrease the compressibility co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Oversizes are present in undersize fraction Screen capacity is abruptly increased Screen is plugged with solid particles Undersizes are retained in oversize fraction Oversizes are present in undersize fraction Screen capacity is abruptly increased Screen is plugged with solid particles Undersizes are retained in oversize fraction ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 1 2.76 0.5 0.66 1 2.76 0.5 0.66 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 Both A & B Neither A nor B Type of crushing machine Feed material Both A & B Neither A nor B Type of crushing machine Feed material ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Vacuum filter Coagulant Centrifugal filter Pressure filter Vacuum filter Coagulant Centrifugal filter Pressure filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most commonly used 'filter aid'. Fuller's earth Semi-plastic clay Vermiculite Diatomaceous earth Fuller's earth Semi-plastic clay Vermiculite Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
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