Q. Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its

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Q. Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm)

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Q. Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter.

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Q. Which of the follwoing mechanical conveyors does not come under the division 'scrapers' ?

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Q. Length/diameter ratio of a ball mill is

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Q. Feed size of ≥ 25 cms can be accepted by

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Q. Which is the most suitable conveyor for transportation of sticky material ?

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Q. The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an

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Q. Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is

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Q. Basic slag is not ground in

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Q. Grindability of a material does not depend upon its

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Q. Shape factor for a cylinder whose length equals its diameter is

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Q. In case of a hammer crusher, the

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Q. Dust laden air can be purified using a

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Q. Energy consumed for crushing one ton of material ranges from __________ kWh.

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Q. For transporting pasty material, one will use a/an

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Q. Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a

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Q. A tube mill compared to a ball mill

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Q. Trommels separate a mixture of particles depending on their

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Q. Size reduction does not occur due to compression in case of

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