Mechanical Operations Colloidal mills are used for __________ grinding. Fine Intermediate Coarse Ultrafine Fine Intermediate Coarse Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Surface area per unit mass Screen size Micron Centimetre Surface area per unit mass Screen size Micron Centimetre ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher? Gyratory crusher Fluid energy mill Rod mill Ball mill Gyratory crusher Fluid energy mill Rod mill Ball mill 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 Electro-static precipitator Gravity settling chamber Cyclone separator Venturi atomiser Electro-static precipitator Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np → constant Np ∝ √NRe Np ∝ NRe Np ∝ 1/NRe Np → constant Np ∝ √NRe Np ∝ NRe Np ∝ 1/NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Gyratory crusher Roll crusher Ball mill Hammer crusher Gyratory crusher Roll crusher Ball mill Hammer crusher ANSWER DOWNLOAD EXAMIANS APP
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