The primary grinding, the ideal circulating load ratio is

If f, c, and t are corresponding metal assays as feed, concentrate and tails, then the ratio of concentration maybe expressed as

The copper mineral that has the highest copper content is

The method of assaying carried out in a shallow clay dish by oxidizing fusion is calledThe method of assaying carried out in a shallow clay dish by oxidizing fusion is called

collector reagents used for flotation of salts oxidized ores

Inflotation, it is always harder to eliminate collectors already absorb than prevent its absorption to prevent loss of selectivity which of the following will you recommend

A most common important ore minerals of manganese is

chiddy method is applicable in analyzing

Floor is used in assay as

an alloy, sufficient and precious metals bearing in economic significance is

It is the theory of comminution which states that the work required is proportional to the reduction in volume of the particles concerned

The process of separating the or minerals from the gum minerals is

Pulp density is the

used in commercial recovery of gold and silver from there ore

It is the theory on comminution which states that the energy consumed in size production is proportional to the area of new surface produce

The step in assay that forms the dore is

The number of calories absorbed when 1 g molecular weight of a compound is formed from its element is called

The effectivity of the gravity concentration method is determined by this expression (Dh-Df) / (Dl-Df)

in order saying sulfide minerals, most readily to

a thickener is

The most common practice of reporting hardness of ore is

Metallic aluminum is produced by

Gold is soluble in

In ball milling, the ball charge centrifuge when the

In assaying loaded carbon, the oxidizing agent used is

it contains 40 to 50 kg per Cubic meter of copper 180 to 200 kg per cubicm³ of each 2S04 brightening and smoothing agents

these are those Most widely used for election in mineral flotation and may be classified into two types of hoarding to the structure of the polar group

Slag in the process fusion becomes very viscous due to

The process of heating to an elevated temperature without fusing a metal or metallic compounds in contact with oxygen water vapor Etc

Collector reagent used for flotation of sulfide ores

The mesh number of a screen is

In Tyler standard series, the openings are regulated, such that the ratio in any screen to the next screen is

The conditioner used to regulate alkalinity of the pulp is

The most common method of concentrating chromite is by

The assay in gold bullion is expressed as

purpose of charge calculation is to

What is the most common associated element for porphyry copper? (island arc type)

The most common frother used in flotation is

The gangue mineral in a zinc complex ore is

It is the theory in comminution which states that the work in is proportional to the new crack length produced in particle breakage, and equals the word represented by the product minus represented by fee

This process involves the formation of much more agglomerate and relies upon molecules of reagent reacting as a bridge between separate suspended particles the agents use to form bridges or the long chain organic polymer. What do you call the process?

Soda ash is a powerful

Process used to produce a concentrated gold silver solution from which least metals could be covered by electrowinning

To prepare a cupel, the principal component is

An aggregate of minerals from which metal maybe extracted at a profit is called

Substances that inhibits flotation of minerals are called

An in-quart is added to

The oxidizing power of niter is

The most widely used collectors are

The main object of comminution is

slag factor is

an assay ton is

The feed concentrating system is called

The metallurgical recovery refer to

In fission process in assay, the agent that enhance fluid is

Enhance sampling procedures this technique provides the smallest possible errors in sampling

The molecules concentration in the surface layer with the non-polar groups oriented towards the air and the polar groups towards the water. This is the behavior of.

The part of crusher that determines the maximum size that will enter the crusher

The following are factors which affect screen performance except

The universal fuel used in metallurgical furnaces isThe universal fuel used in metallurgical furnaces is

The reducing power of flour isThe reducing power of flour is

Commercial sink-and-float processes used as medium

The reducing power of pyrite when soda ash is added

The formula of enargite

The element that causes frequent trouble in Ag assay is

Calculated head refers to

The method of separating a mixture of minerals into two or more products on the basis of velocities at which the creams will fall through after medium is called

Jaw crusher is a ______ crusher

Fire assaying is considered

The step where the Pb is oxidized is called

If this used to separate gold from silver

The formula of Magnetite

The purpose of closer circuit grinding is

It contains precious metals like gold and silver also contains 35 to 65% copper

Hindered settling refers to

An active readily fusible acid flux with a chemical formula of an E2B407 10 H2O

One of this concentration processes, not gravity method

A most common gold ore is

please complete the following statement when the concentration is less than 1.25,

The flotation process of recovering two or more minerals as separate concentrate is called

12 ka rat gold is

Coal suited for the production of coke is

Silica is

The ideal size of Pb button is

Cyclone is a

The alloy of gold and silver produces after cupellation is

A hand sampling technique were in broken rocks or picked up random at some convenient location to form sample

Formula of iron oxide and silica FEOSIO2 is

The artificial sulfide formed in the driveway in assaying is

The following are activators, except

I’m middling in concentration refers to

gyratory crusher is

The fundamental heat unit in the English system is

In order dressing, seavenging refers to

for sulfide ores we use

Avocados number is the number of atoms in 1 g atoms, which is

It is a small amount which contains all the component in the proportions in which they occur in the original lot

1 pound mole of gas at standard condition occupies

Massive pyrite is mined primarily as a source of

mercury vaporizes