Mechanical Operations Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a Batch basket centrifuge Disc bowl centrifuge Sharpies supercentrifuge Sparkler filter Batch basket centrifuge Disc bowl centrifuge Sharpies supercentrifuge Sparkler filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Classification Clarification Thickening Froth floatation Classification Clarification Thickening Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Clarification Sedimentation Classification Flocculation Clarification Sedimentation Classification Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Primary Secondary Ultrafine Fine Primary Secondary Ultrafine Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Tailing Concentrate Middling None of these Tailing Concentrate Middling None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The inlet pressure in a constant rate filtration Increases continuously Decreases gradually Remains constant None of these Increases continuously Decreases gradually Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
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