Mechanical Operations Mcqs for Chemical


Q.  Hot, lumpy & abrasive materials are best transported by using a/an ___________ conveyor ?

a. Apron
b. Belt
c. Screw
d. Flight


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  A widely used size reduction equipment for ______________ is Bradford breaker?
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MCQs:  Fluid medium used in the classification technique of mineral beneficiation is_________________?
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MCQs:  Which of the following is not a non-metalliferous mineral ?
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MCQs:  Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill.) ?
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MCQs:  Helical screw agitator is used for________________?
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MCQs:  Balls for ball mills are never made of_________________?
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MCQs:  In froth floatation, chemical agent added to cause air adherence is called___________________?
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MCQs:  In a roll crusher, both the rolls_________________?
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MCQs:  In a mixer, the quantity, (v. L/D) is termed as __________ number (where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing) ?
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MCQs:  A pebble mill_________________?
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MCQs:  Mass flow of granular solid (M) through a circular opening of dia, D follows_____________________?
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MCQs:  Size reduction does not occur due to compression in case of________________?
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MCQs:  The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the _____________ of the belt?
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MCQs:  The grinding in a hammer crusher takes place due to the_______________?
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MCQs:  Which of the following is not an ultrafine grinder (colloid mill) ?
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MCQs:  Compressibility co-efficient for an absolutely compressible cake is_______________?
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MCQs:  If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is φs is defined by________________?
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MCQs:  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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MCQs:  Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher ?
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MCQs:  Handling of ashes and similar materials can be done best by a ______________ conveyor?
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