Mechanical Operations Mcqs for Chemical


Q.  Coal is finally pulverised to 200 mesh size for burning in boilers by a___________________?

a. Hammer crusher
b. Ball mill
c. Roll crusher
d. Gyratory crusher


ANSWER: See Answer
 
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MCQs:  Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their_________________?
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MCQs:  __________ conveyor is the most suitable for short distance transportation of non-abrasive loose materials like garbage, grain, food wastes etc?
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MCQs:  Gelatinous solid (which plug the septum) can be filtered by a _____________ filter?
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MCQs:  Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is ________________ ?
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MCQs:  For benefication of iron ore, the most commonly used method is______________?
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MCQs:  Basic slag is not ground in_________________?
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MCQs:  Stamp mills are generally used for crushing__________________?
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MCQs:  Which of the following minerals is not subjected to magnetic separation method ?
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MCQs:  The work index in Bond’s law for crushing of solids has the following dimensions__________________?
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MCQs:  Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an________________?
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MCQs:  All resistances during washing of cake _____________________?
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MCQs:  Which of the following is the softest material ?
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MCQs:  Which of the following mechanical conveyors does not come under the division „scrapers‟ ?
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MCQs:   Close circuit grinding by a ball mill with air sweeping employs a _______________________?
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MCQs:  Trommels separate a mixture of particles depending on their_____________________?
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MCQs:  The inlet pressure in a constant rate filtration____________________?
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MCQs:  For spheres, volume shape factor is given by____________________?
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MCQs:  Which of the following screens has the maximum capacity ?
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MCQs:  For crushing of solids, the Rittinger’s law states that the work required for crushing is proportional to __________________?
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MCQs:  In bag filters, filter fabrics are never made of__________________?
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