Mechanical Operations For classification of potable (drinking) water, we use a __________ filter. Rotary vacuum Plate and frame Vacuum leaf Gravity sand Rotary vacuum Plate and frame Vacuum leaf Gravity sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The porosity of a compressible cake is Minimum at the upstream face Minimum at the filter medium Same throughout the thickness of cake Maximum at the filter medium Minimum at the upstream face Minimum at the filter medium Same throughout the thickness of cake Maximum at the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Spiral separator Froth floatation Trough washer Baum jig washer Spiral separator Froth floatation Trough washer Baum jig washer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Conditioner Collector Depressor Frother Conditioner Collector Depressor Frother ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Neither A nor B Both A & B Grinding element & the housing Feed particles Neither A nor B Both A & B Grinding element & the housing Feed particles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that 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 For a given machine and feed, crushing efficiency is dependent on the size of the feed & 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 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 For a given machine and feed, crushing efficiency is dependent on the size of the feed & 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 ANSWER DOWNLOAD EXAMIANS APP
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