Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 50 1 500 100 50 1 500 100 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Pebble mill Compartment mill Rod mill Cage mill Pebble mill Compartment mill Rod mill Cage mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Filtration time only Washing time only Square root of the velocity Square of the viscosity Filtration time only Washing time only Square root of the velocity Square of the viscosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ ΔP ∝ √ΔP ∝ 1/ ΔP Independent of ΔP ∝ ΔP ∝ √ΔP ∝ 1/ ΔP Independent of ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following comes in the category of primary crusher for hard and tough stone? None of these Gyratory crusher Cone crusher Jaw crusher None of these Gyratory crusher Cone crusher Jaw crusher 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 Wet scrubber Bag filter Electrostatic precipitator Cyclone separator Wet scrubber Bag filter ANSWER DOWNLOAD EXAMIANS APP