Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 40 - 50 15 - 20 43832 60 - 75 40 - 50 15 - 20 43832 60 - 75 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.66 1 2.76 0.5 0.66 1 2.76 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Sodium silicate Alumina Lime Quartz Sodium silicate Alumina Lime Quartz ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Act as a support base for the septum Increase the porosity of the cake Decrease the pressure drop Increase the rate of filtration Act as a support base for the septum Increase the porosity of the cake Decrease the pressure drop Increase the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 100 to 250 50 to 100 5 to 25 0.2 to 0.8 100 to 250 50 to 100 5 to 25 0.2 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid particles based on their densities is called Clarification Dispersion Sizing Sorting Clarification Dispersion Sizing Sorting ANSWER DOWNLOAD EXAMIANS APP