Q381
Open questionAll resistances during washing of cake
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Chemical Engineering · all questionsMechanical Operations
Mechanical Operations
practice.
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440
Questions
20/22
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Q382
Open questionAll resistances during washing of cake
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Q383
Open questionMolten ammonium nitrate is mixed with ground limestone in fertilizer plant in a
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Q384
Open questionLimestone is normally crushed in a
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Q385
Open questionA centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is
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Q386
Open question__________ is used for producing a thick suspension from a thin slurry.
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Q387
Open questionWhich of the following is not a non-metalliferous mineral?
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Q388
Open questionPick out the wrong statement.
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Q389
Open questionGravity stamp mill is meant for the __________ crushing.
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Q390
Open questionIn the cyclone separator used for separation of dust from dust laden gas, the gas
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Q391
Open questionWhich of the following is not used as a surface active agent in a flocculation operation?
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Q392
Open questionGravity settling process is not involved in the working of a
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Q393
Open questionReciprocating 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
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Q394
Open questionSize reduction of ice and gypsum can be accomplished suitably by a __________ crusher.
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Q395
Open questionWhich of the following conveyors cannot be recommended for transportation of abrasive materials?
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Q396
Open questionSize reduction of __________ is accomplished in steam heated rollers and roll crushers.
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Q397
Open questionAs per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms)
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Q398
Open questionActivators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator?
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Q399
Open questionThe most common filter aid is
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Q400
Open questionFroth floatation is the most suitable for treating
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