Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/D.S S/V V/6D.S 6.V/D.S V/D.S S/V V/6D.S 6.V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a batch sedimentation equipment? Filter thickener Dust catcher Dry cyclone separator Rotary sprayer scrubber Filter thickener Dust catcher Dry cyclone separator Rotary sprayer scrubber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 2 D 1.5 D 0.5 D D 2 D 1.5 D 0.5 D D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 460 230 1125 2250 460 230 1125 2250 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials of the same density based on their sizes by using then-different rates of flow is called Sizing Flocculation Sorting Elutriation Sizing Flocculation Sorting Elutriation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Produces mainly axial flow Is used for mixing high viscosity pastes All of these Runs at very slow speed (2 rpm) Produces mainly axial flow Is used for mixing high viscosity pastes All of these Runs at very slow speed (2 rpm) ANSWER DOWNLOAD EXAMIANS APP
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