Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The size reduction ratio The change in volume due to crushing The new surface created None of these The size reduction ratio The change in volume due to crushing The new surface created None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tank filter (e.g., Nutsch filter) is Used for small scale filtration work A continuous filter A high pressure filter A leaf filter Used for small scale filtration work A continuous filter A high pressure filter A leaf filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). √(S/V)p (S/V)²p (S/V)p (S/V)f √(S/V)p (S/V)²p (S/V)p (S/V)f ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gold ore concentration is mostly done using Froth floatation Elutriation Tabling Jigging Froth floatation Elutriation Tabling Jigging ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow. Turbulent Laminar Plug None of these Turbulent Laminar Plug None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Electrostatic precipitator Cyclone separator Bag filter Wet scrubber Electrostatic precipitator Cyclone separator Bag filter Wet scrubber ANSWER DOWNLOAD EXAMIANS APP