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

The following are factors which affect screen performance except

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

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

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

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

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?

The following are activators, except

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.

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

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

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

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

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

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

The feed concentrating system is called

The most common method of concentrating chromite is by

The copper mineral that has the highest copper content is

In order dressing, seavenging refers to

The gangue mineral in a zinc complex ore is

Metallic aluminum is produced by

Massive pyrite is mined primarily as a source of

The most common practice of reporting hardness of ore is

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

The fundamental heat unit in the English system is

1 pound mole of gas at standard condition occupies

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

Pulp density is the

Calculated head refers to

The conditioner used to regulate alkalinity of the pulp is

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

Substances that inhibits flotation of minerals are called

The most widely used collectors are

The most common frother used in flotation is

in order saying sulfide minerals, most readily to

One of this concentration processes, not gravity method

I’m middling in concentration refers to

Cyclone is a

Hindered settling 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

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 purpose of closer circuit grinding is

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

gyratory crusher is

The main object of comminution is

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

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

collector reagents used for flotation of salts oxidized ores

Collector reagent used for flotation of sulfide ores

Fire assaying is considered

If this used to separate gold from silver

used in commercial recovery of gold and silver from there ore

Jaw crusher is a ______ crusher

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

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

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

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

Gold is soluble in

Floor is used in assay as

The step in assay that forms the dore is

Soda ash is a powerful

Formula of iron oxide and silica FEOSIO2 is

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

The artificial sulfide formed in the driveway in assaying is

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

The assay in gold bullion is expressed as

chiddy method is applicable in analyzing

slag factor 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

The element that causes frequent trouble in Ag assay is

An in-quart is added to

Slag in the process fusion becomes very viscous due to

purpose of charge calculation is to

In assaying loaded carbon, the oxidizing agent used is

The reducing power of pyrite when soda ash is added

an assay ton is

Silica is

for sulfide ores we use

The step where the Pb is oxidized is called

mercury vaporizes

The alloy of gold and silver produces after cupellation is

The reducing power of flour isThe reducing power of flour is

To prepare a cupel, the principal component is

The ideal size of Pb button is

The oxidizing power of niter is

12 ka rat gold is

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

The formula of Magnetite

The formula of enargite

A most common gold ore is

A most common important ore minerals of manganese is

In ball milling, the ball charge centrifuge when the

The primary grinding, the ideal circulating load ratio is

a thickener is

Commercial sink-and-float processes used as medium

The metallurgical recovery refer to

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

Coal suited for the production of coke is

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