Mechanical Operations Which of the following is not categorised as a "mechanical operation"? Agitation Filtration Size enlargement Humidification Agitation Filtration Size enlargement Humidification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 10 to 15 3 to 4 15 to 20 8 to 10 10 to 15 3 to 4 15 to 20 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 0.2 to 0.8 5 to 25 50 to 100 100 to 250 0.2 to 0.8 5 to 25 50 to 100 100 to 250 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for Mixing highly viscous pastes Mixing liquids at very high temperature (> 250 °C) None of these Blending immiscible liquids Mixing highly viscous pastes Mixing liquids at very high temperature (> 250 °C) None of these Blending immiscible liquids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ 1/ ΔP Independent of ΔP ∝ ΔP ∝ √ΔP ∝ 1/ ΔP Independent of ΔP ∝ ΔP ∝ √ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 40° 16° 32° 46° 40° 16° 32° 46° ANSWER DOWNLOAD EXAMIANS APP
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