Which of the following mineral exhibit a perfect do you need directional cleavage

in fire assaying, the next procedure after obtaining Dore

in conventional belt conveyor arrangement what do you call the pulley where the counterweight is usually connected

screening equipment that has two separate products

if there is a distinctive difference in surface property the process indicated for concentration is

Which of the following is the economic mineral of manganese and it’s friable form

how much sulfur is in 1000MT of ore containing 25% galena 12% chromite 3% malachite 2% hematite and 3% moisture

A daily feed to the copper mill is known to contain 15% chalcopyrite of the total tonnage mailed 10,000 wet metric tons with 3% moisture what is the process copper in the mill head

Where index is a measure of

which of the following is an economic mineral of sulfur

The purpose of close circuit grinding is

In reflected light a silky appearance which results from the presence of many inclusions arranged parallel to ask Christallographic direction

What do you call the grinding process where no grinding media excuse but instead of rock materials it self use usually soft ass grinding medium

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

which of the following is not a sulfide mineral

what do you call the process of grinding wherein very small amount of grinding media is used

a mineral of the spinel group crystals and pureform are rare and it is usually massive the only important ore mineral of chromium

in fire assaying, what should be the condition of nitric acid solution before dropping in the bead to avoid breaking it into fine particles

the binding agent in pelletizing of iron or chromite concentrates prior to smelting

the size of steel ball charge in a regrind mill in principle is

In sample preparation for fire assaying what do you call the process of dividing the crushed sample into two equal part

in rock crushing operations what do you haul the equipment that continuously feed the Braemar crusher with almost uniform load and at the same seggregates undesizes materialss that do not need to be crushed This machine like Weiss maximize capacity of the integration plan

States that the physical and chemical processes that have acted throughout geologic time are the same processes that are observable today

in a conventional conveyor belt arrangement what do you hold the ruler where the loaded belt passes

The difference between metallurgical chromite and refractory chromite is that the former does not contain

which of the following is not a copper mineral

A vein was located by three drill holes A, B, and C. B is 600 M N 20o E of A; both B and A are vertical drill holes and intersected the vein at depths of 900 M and 300 M respectively. C, an inclined drill hole located N 80o E and 440 M from A, intersected the vein at an inclination of 50o to the N 30o E at a length of 460 M. What is the strike of the vein

Which of the following is the most effective an economic means of neutralizing acid mind drainage

DENR regulates the pH range of mine effluent discharge with various receiving water bodies

What do you call the filter machine that is fitted with a number of disc like elements wrapped in the filter cloth and fitted with a vacuum pump that suck the thickened pulp as the disc are immersed into the pulp

Minerals used as coloring of green bottles

in jaw crusher installation what do you call that main component that act qs counterweight to allow constant rotation momentum of drive pulleys and provide sustained with impact to the movable job considering the load of the crashing

The process of coatinh certain mine waste to prevent oxidation of pyrite. the mechanism involves leaching the waste with a phosphate solution with hydrogen peroxide is oxidized by the peroxide to release iron oxide

The product of the solving gold in mercury

Refers to the factor by which the volume of materials is reduced to weight in tonnes usually expressed as cu. Ft./ton or cu. M/MT

One of this concentration processes is not gravity method

inconventional conveyor arrangement What do you call the rollers that guide and carried about to the tail pulley

the economic minerals for the manufacture of glass

in flotation, it refers to the process of recovering as much of still remaining valuable minerals in slurry

The mineral recovery processes is most applicable to sulfide ores particularly Chalcopyrite

The metallurgical recovery refers to

the chromite concentrate contains 48% chromite, 0.25% silica 6%manganese 18% chromic acid 11%feo

Which of the following physical characteristics reflects the rocks capability to absorb water

heating of gold initially has a black color due to uneven surface caused or difference in reflection of light

One of these does not belong to the group

The process of further reducing crusher rocks to specified granulation sizes so that most of the economic minerals are liberated to the extent making them amenable to applicable beneficiation processes such as flotation gravity concentration cyanidation

the principal mineral of manganese

reagent used in dissolving gold from finely ground ores through leaching

aside from its importance in the world currency gold is very widely used in which of the following industries

used to manufacture special ceramics industrial products

which of the following is the main component of drum or disc filter

a symone cone crusher which was installed as a secondary crusher has a rated capacity of 180 TPH under two feeding condition it is observed that the crusher can handle 90% of its rated capacity only due to weak main drive axle. If The circulating load is 10% of its actual output how much material can the crusher take from the primary crusher at any one time

It is the stage in the environmental impact statement system where information and assessment requirements are established to provide a proponent with the scope of work of the environmental impact statement

Which of the following mineral is metallic

compact conveyor that feeds the crusher constantly using feeders

Refers to the crystalline modes of minerals that have three perpendicular axes of equal length

The mesh number of the screen is the

It is the backbone of the ceramic industry

the ore beneficiation of maricalum mining

in assaying if the weight of gold bead recovered is 2gms what is the grade assay of the ore if the sample is one assay ton

Which of the following type of chromite mineral is used to manufacture paint pigments collard green and yellow

Mineral hardness represented by a thumbnail

Cyanide contained in the mill tailings is lost during impoundment due to the which of the following processes

important component of chemical grade girl might or aside from Cr2O3

in tailings thickener installations, the equipment that pumps the resulting high density pulp to the tailings pond

One of the following factors influence and enhance acid generation

Which of the following is not a sulfide mineral

What do you call the process of recovering chromite using the gravity differential between ore and gangue using water is separating medium

Components of chemical Grade chromite ore

a nordberg jaw crusher has a rated capacity of 200TPH @100% efficiency. the circulating load is 15% how much ROMO feed can it take at any one time

which of the following is not a manganese ore

Heritage resources operates across my beneficiation plant Herman Hunt 250 wet metric tons at 15% CR 203 11% FE03% each 20 Santa Barbara 200 WMT at 18% CR203 15% FE06% each 20 Lauren pay 300 what metric tons at 10% CR 203 and 8% FEO5 percent H2 oh what is the average CR 2F erasure of the blended ore feed to the heritage benificiation plant

in grinding, what do you call the ball mill rotation at which maximum grinding efficiency is attained

what is screw classifier

in flotation this refers to the process of immediately recovering as many of the economic minerals as possible in one floatations the process is often applied to orders containing singular economic minerals

in a classifier the one that represenrs fines or slimes

coarse >2mm with large grains, rounded fragments Sedimentary rock

Refers to the crystalline mode of the minerals. Three of the axes are of equal length and our symmetrically placed in one plane

A phenomenon when a mineral emits visible light when heated to a low temperature below that of red heat is called

What do you call a vibrating screen that is fitted with two screen cloth of various openings

Which of the following is commonly used as a leasing agent of tiles and other ceramic products

The best used as a primary grinding mill

The most important characteristics of metallurgical grade chromite

the cyanidation process where weaker cyanide solution are introduced to fresh ores while stronger cyanide solutions are introduced to the ores that have been earlier treated with cyanide

in heap leaching of low. grade copper oxides the most common precipitation agent of copper

In fire are assaying, slags obtained in crucible assay that have high litharge but low silica borax and other acids are usually

refers to the reagents that accelerate fine to coarse particles to form bigger particles making them easier for thickening and filtration

Which of the following is an economic mineral source of mercury

the main purpose of regrind ball mill

the number of products that a high capacity deck vibrating screen produce

Refers to the kind of Mica colored white and with a composition of hydrous potassium aluminum silicates

commonly used as drilling mud

the rate capacity of the mill is 180TPH at 90% rate capacity efficiency. the circulating load is 10% what is the rate of feed in TPH

heat treatment processes where the metal or alloy is heated to some pre determined temperature and time and then cooked very slowly

And grinding very hard andesite and diorite the rocks containing copper minerals which of the following is the most popular and economical grinding medium for optimum mineral liberation

And the site is what form of Rock

equipment used to vaporize mercury then later condensing the same back to its liquid form

in the principle of flotation what do you call the reagents that are used to create vigorous effervescence or repellant bubbles in the slurry

In conveying system components that provides proper about tensioning at all times to reduce or eliminate belt sliding and or sagging there by assuring belt speed

philex mining Treated the following tonnage and it’s bad color copper mines first 10,000 dry metric tons at 0.57% copper second 9000 dry metric plants at 0.50’s percent copper third 11,000 dramatic buns at 0.60% copper what is the total product output of the day