Mechanical Operations In a grinding operation, the limiting particle size is the size of the __________ particle in the sample. Largest Either A or B Neither A nor B Smallest Largest Either A or B Neither A nor B Smallest ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Consumes less power Results in increased capacity Consumes more power Both A and C Consumes less power Results in increased capacity Consumes more power Both A and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is None of these ?2 1.5 1 None of these ?2 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Produces finer products Uses smaller balls All of these Is long in comparison with its diameter Produces finer products Uses smaller balls All of these Is long in comparison with its diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Act as a support base for the septum Increase the rate of filtration Increase the porosity of the cake Decrease the pressure drop Act as a support base for the septum Increase the rate of filtration Increase the porosity of the cake Decrease the pressure drop 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 ) S . c S/c C/s 1/s . c S . c S/c C/s 1/s . c ANSWER DOWNLOAD EXAMIANS APP