Mechanical Operations In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow. Plug Turbulent None of these Laminar Plug Turbulent None of these Laminar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At the end of filtration, but decreases with time subsequently When half the filtrate has been obtained At time zero At the end of filtration At the end of filtration, but decreases with time subsequently When half the filtrate has been obtained At time zero At the end of filtration 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 ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.0 Po ∝ Re0.5 Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 15 - 20 60 - 75 43832 40 - 50 15 - 20 60 - 75 43832 40 - 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Modifier Activator Collector Frother Modifier Activator Collector Frother ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.3 50 0.014 0.007 0.3 50 0.014 0.007 ANSWER DOWNLOAD EXAMIANS APP
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