Mechanical Operations Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is KW. sec/kg KWh/sec. kg KWh/kg Kg/sec KW. sec/kg KWh/sec. kg KWh/kg Kg/sec ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is normally used for grinding of talc. Pebble Tube Compartment Ring-roll Pebble Tube Compartment Ring-roll ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Dry chemicals Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize Powdered food & granular materials Dry chemicals Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize Powdered food & granular materials ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ ΔP Independent of ΔP ∝ 1/ ΔP ∝ √ΔP ∝ ΔP Independent of ΔP ∝ 1/ ΔP ∝ √ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 1000°C and 500 atm 1000°C and 10 atm 200°C and 5 atm 500°C and 50 atm 1000°C and 500 atm 1000°C and 10 atm 200°C and 5 atm 500°C and 50 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main size reduction operation in ultrafine grinders is Attrition Cutting Compression Impact Attrition Cutting Compression Impact ANSWER DOWNLOAD EXAMIANS APP
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