Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.5-2 0.33-0.45 1.33-1.45 1.5-2.5 0.5-2 0.33-0.45 1.33-1.45 1.5-2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Alumina Lime Sodium silicate Quartz Alumina Lime Sodium silicate Quartz ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 4 to 5 2 to 3.5 0.5 to 1.5 0.01 to 0.1 4 to 5 2 to 3.5 0.5 to 1.5 0.01 to 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Soft & non-abrasive materials can be made into fines by Cutting Attrition None of these Compression Cutting Attrition None of these Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The crushed material received for separation is called feed or Middling Concentrate Tailing Heading Middling Concentrate Tailing Heading 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
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