Mechanical Operations Cake resistance is Independent of pressure drop Decreased with the time of filtration None of these Important in the beginning of filtration Independent of pressure drop Decreased with the time of filtration None of these Important in the beginning of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Rotary drum filters Cyclones Classifiers Thickeners Rotary drum filters Cyclones Classifiers Thickeners ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Alumina Quartz Sodium silicate Lime Alumina Quartz Sodium silicate Lime 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? Rod mill Fluid energy mill Ball mill Gyratory crusher Rod mill Fluid energy mill Ball mill Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). 1/√μ √μ 1/μ² 1/μ 1/√μ √μ 1/μ² 1/μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 1 50 500 100 1 50 500 100 ANSWER DOWNLOAD EXAMIANS APP
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