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 None of these Poor grindability Easier grindability High power consumption in grinding None of these Poor grindability Easier grindability 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 None of these Middling Tailing Concentrate None of these Middling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for compressible sludges is a function of the pressure drop None of these Overall Over medium Over cake None of these Overall Over medium Over cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fick's law relates to Feed size Final particle size None of these Energy consumption Feed size Final particle size None of these Energy consumption ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a filter medium in case of corrosive liquids? Nylon Cotton fabric Glass cloth Metal cloth of monel or stainless steel Nylon Cotton fabric Glass cloth Metal cloth of monel or stainless steel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) C/s S . c 1/s . c S/c C/s S . c 1/s . c S/c ANSWER DOWNLOAD EXAMIANS APP
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