Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Cyclone separator Gravity settling chamber Venturi atomiser Electro-static precipitator Cyclone separator Gravity settling chamber Venturi atomiser Electro-static precipitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions KWh.m1/2/ton KWh/ton No units (dimensionless) KW/ton KWh.m1/2/ton KWh/ton No units (dimensionless) KW/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cyclones are used primarily for separating Solids Solids from fluids Liquids Solids from solids Solids Solids from fluids Liquids Solids from solids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For classification of potable (drinking) water, we use a __________ filter. Rotary vacuum Gravity sand Plate and frame Vacuum leaf Rotary vacuum Gravity sand Plate and frame Vacuum leaf ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Hot, lumpy & abrasive materials are best transported by using a/an __________ conveyor. Screw Belt Apron Flight Screw Belt Apron Flight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2/μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. Po ∝ Re0.5 Po ∝ Re0.0 Po ∝ Re-1.0 Po ∝ Re1.0 Po ∝ Re0.5 Po ∝ Re0.0 Po ∝ Re-1.0 Po ∝ Re1.0 ANSWER DOWNLOAD EXAMIANS APP
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