Mechanical Operations In case of a hammer crusher, All of these Crushing takes place by impact breaking Reduction ratio can be varied by adjusting the distance from cage to hammers Maximum acceptable feed size is 30 cms All of these Crushing takes place by impact breaking Reduction ratio can be varied by adjusting the distance from cage to hammers Maximum acceptable feed size is 30 cms ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Soft & non-abrasive materials can be made into fines by Cutting Attrition Compression None of these Cutting Attrition Compression None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is 0.6 0.1 None of these 0.4 0.6 0.1 None of these 0.4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Uses much larger balls Has a higher length/diameter ratio Has a higher diameter/length ratio Produces a coarser product Uses much larger balls Has a higher length/diameter ratio Has a higher diameter/length ratio Produces a coarser product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 15 - 20 40 - 50 60 - 75 43832 15 - 20 40 - 50 60 - 75 43832 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is 2 >1 1 2 >1 1 ANSWER DOWNLOAD EXAMIANS APP