Mechanical Operations Questions

• 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 ).
• __________ mill is not a revolving mill.
• The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is
• In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow.
• Dispersion of a gas through liquid is done by using a
• __________ is a cohesive solid.
• Screen capacity is proportional to (where, S = screen aperture)
• For the transportation of ultrafine particles, the equipment used is a........conveyor.
• The most suitable equipment for the transportation of 200 mesh size particles is a
• For benefication of iron ore, the most commonly used method is
• In a grinding operation, the limiting particle size is the size of the __________ particle in the sample.
• Chance process is used for the
• 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).
• Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher.
• Reciprocal of sphericity is termed as the
• Stamp mills are generally used for crushing
• Mixing mechanism employed in a pan mixer is by
• Pick out the wrong statement.
• The filtrate flow rate in constant pressure filtration
• During filtration operation, the filtrate encounters the resistance of the