Chemical Engineering :: Mechanical Operations
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For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as
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Which of the following is not accomplished by agitation of liquids in agitators?
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Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation ?
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A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is
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The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle).
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Velocity of a small particle of diameter 'Dp' at a distance 'r' from the rotational axis of a cyclone rotating at an angular speed 'ω' is given by (the other symbols are as per standard notation)
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In froth floatation, chemical agent added to cause air adherence is called
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Vertical transportation of materials can be done by a/an
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In a roll crusher, the specific power consumption and the production rate is affected by the