Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them.

For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.mm). Aperture width of IS screen of mesh numberwill be approximately __________ microns.

__________ mills are termed as disintegrators.

Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher.

Carbon black is pulverised in a

Screen capacity is expressed in terms of

Solid particles of different densities are separated by

With increase in the capacity of screens, the screen effectiveness

Which of the following achieves the least reduction ratio for a given feed size?

Which of the following is not a non-metalliferous mineral?

Filter medium resistance is important during the __________ of filtration.

In classification, particles are said to be equal settling, if they have the same terminal velocities in the

Mixer used for rubber compounding is

Filtration rate does not depend upon the

Which of the following is a batch sedimentation equipment ?

Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called

Reduction ratio of crushers is the

Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers' ?

mesh seive size corresponds to __________ microns.

Supporting legs of a plate and frame filter is normally made of

A filter press is

Xanthates are used in the froth floatation process as a/an

The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the

The filtrate flow rate in constant pressure filtration

A screen is said to be blinded, when the

What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged withmm dia balls ?

During agitation of liquids, power consumption during laminar flow is not proportional to the

As particle size is reduced

During the washing of cake

In constant pressure filtration,

Which of the following oxides is not present in hematite iron ore?

To get a fine talc powder from its granules, the equipment used is

A fluid energy mill is used for

Float and sink test determines the possibility of cleaning of coal by a process based on the

Dispersion of a gas through liquid is done by using a

Work index is defined as the

For spheres, the specific surface shape factor is given by

__________ mill is not used for grinding wheat into flour and for milling of cereals & other vegetable products.

Kick's law relates to

To get ultrafine particles, the equipment used is a

For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (N_p) varies with N_Re as

Which of the following is a fine crusher?

__________ is a cohesive solid.

A cottrel precipitator makes use of the __________ for dusty air cleaning.

The most suitable equipment for the transportation ofmesh size particles is a

Which of the following is not used as filter aid?

Reciprocal of sphericity is termed as the

Which is a secondary crusher for a hard & tough stone ?

Sphericity of pulverised coal is

What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls ?