Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Thickening Clarification Froth floatation Classification Thickening Clarification Froth floatation Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is normally used in sugar mills. Disc-bowl Suspended batch basket Perforated horizontal basket continuous Tubular bowl Disc-bowl Suspended batch basket Perforated horizontal basket continuous Tubular bowl ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill All of these Employs smaller balls Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power All of these Employs smaller balls Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Can not be operated under pressure/vacuum Operate at higher speed Can't be used for separation of fine suspended solids from a liquid Employ bowl of larger diameter Can not be operated under pressure/vacuum Operate at higher speed Can't be used for separation of fine suspended solids from a liquid Employ bowl of larger diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its High power consumption in grinding Easier grindability None of these Poor grindability High power consumption in grinding Easier grindability None of these Poor grindability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Both A & B Bulk density Neither A nor B Lump size Both A & B Bulk density Neither A nor B Lump size ANSWER DOWNLOAD EXAMIANS APP
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