Mechanical Operations General mechanism of size reduction in intermediate and fine grinder is by Impact and attrition Compression and tearing Cutting action Compression Impact and attrition Compression and tearing Cutting action Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ ΔP ∝ 1/ ΔP Independent of ΔP ∝ √ΔP ∝ ΔP ∝ 1/ ΔP Independent of ΔP ∝ √ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Depressor Conditioner Collector Frother Depressor Conditioner Collector Frother ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as filter aid? Purified wood cellulose Diatomaceous earth Rice husk Asbestos Purified wood cellulose Diatomaceous earth Rice husk Asbestos ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? Fluid energy mill All of these Jet mills Micronizer Fluid energy mill All of these Jet mills Micronizer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Cyclone separator Venturi atomiser Gravity settling chamber Electro-static precipitator Cyclone separator Venturi atomiser Gravity settling chamber Electro-static precipitator ANSWER DOWNLOAD EXAMIANS APP