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MCQs: Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of _______________ crushing?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: A fluid energy mill is used for __________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the ___________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Gravity stamp mill is meant for the ___________________ crushing?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: _______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which of the following is a fine crusher ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Maximum size reduction in a ball mill is done by the, ______________ action?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively) ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Sphericity of pulverised coal is__________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a ______________ conveyor?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: There is practically no alternative/competitor to _________________ in the beneficiation treatment of sulphide ores?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge________________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which of the following clay mixing devices is vacuum operated for deairation of clay ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a _______________ surface?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: In classification, particles are said to be equal settling, if they have the same terminal velocities in the_______________?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which is the most suitable conveyor for transportation of sticky material ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Dry powdery solid materials are transported by a ______________ conveyor?
Category: Chemical Engineering Mcqs, Published by: teswesm
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MCQs: Which of the following is used for primary crushing of very hard lumpy materials ?
Category: Chemical Engineering Mcqs, Published by: teswesm
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